sodium
- Formula: Na
- Molecular weight: 22.98976928
- IUPAC Standard InChIKey: KEAYESYHFKHZAL-UHFFFAOYSA-N
- CAS Registry Number: 7440-23-5
- Chemical structure:
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, NIST Free Links, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 107.5 ± 0.7 | kJ/mol | Review | Cox, Wagman, et al., 1984 | CODATA Review value |
ΔfH°gas | 107.30 | kJ/mol | Review | Chase, 1998 | Data last reviewed in June, 1962 |
Quantity | Value | Units | Method | Reference | Comment |
S°gas,1 bar | 153.718 ± 0.003 | J/mol*K | Review | Cox, Wagman, et al., 1984 | CODATA Review value |
S°gas,1 bar | 153.65 | J/mol*K | Review | Chase, 1998 | Data last reviewed in June, 1962 |
Gas Phase Heat Capacity (Shomate Equation)
Cp° = A + B*t + C*t2 + D*t3 +
E/t2
H° − H°298.15= A*t + B*t2/2 +
C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 −
E/(2*t2) + G
Cp = heat capacity (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
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Temperature (K) | 1170.525 to 6000. |
---|---|
A | 20.80573 |
B | 0.277206 |
C | -0.392086 |
D | 0.119634 |
E | -0.008879 |
F | 101.0386 |
G | 178.7095 |
H | 107.2999 |
Reference | Chase, 1998 |
Comment | Data last reviewed in June, 1962 |
Condensed phase thermochemistry data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | 2.41 | kJ/mol | Review | Chase, 1998 | Data last reviewed in June, 1962 |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid,1 bar | 57.86 | J/mol*K | Review | Chase, 1998 | Data last reviewed in June, 1962 |
Quantity | Value | Units | Method | Reference | Comment |
S°solid,1 bar | 51.30 ± 0.20 | J/mol*K | Review | Cox, Wagman, et al., 1984 | CODATA Review value |
Quantity | Value | Units | Method | Reference | Comment |
S°solid | 51.46 | J/mol*K | Review | Chase, 1998 | Data last reviewed in June, 1962 |
Liquid Phase Heat Capacity (Shomate Equation)
Cp° = A + B*t + C*t2 + D*t3 +
E/t2
H° − H°298.15= A*t + B*t2/2 +
C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 −
E/(2*t2) + G
Cp = heat capacity (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
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Temperature (K) | 370.98 to 1170.525 |
---|---|
A | 40.25707 |
B | -28.23849 |
C | 20.69402 |
D | -3.641872 |
E | -0.079874 |
F | -8.782300 |
G | 113.6646 |
H | 2.406001 |
Reference | Chase, 1998 |
Comment | Data last reviewed in June, 1962 |
Solid Phase Heat Capacity (Shomate Equation)
Cp° = A + B*t + C*t2 + D*t3 +
E/t2
H° − H°298.15= A*t + B*t2/2 +
C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 −
E/(2*t2) + G
Cp = heat capacity (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
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Temperature (K) | 298. to 370. |
---|---|
A | 72.63675 |
B | -9.491572 |
C | -730.9322 |
D | 1414.518 |
E | -1.259377 |
F | -21.79467 |
G | 155.0963 |
H | 0.000000 |
Reference | Chase, 1998 |
Comment | Data last reviewed in June, 1962 |
Phase change data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 1156. | K | N/A | Honig and Kramer, 1969 | Uncertainty assigned by TRC = 1. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 370.96 | K | N/A | Marsh, 1987 | Uncertainty assigned by TRC = 0.01 K; recommended as fixed point for thermometry; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 370.98 | K | N/A | Honig and Kramer, 1969 | Uncertainty assigned by TRC = 0.03 K; TRC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
924. to 1118.0 | 2.46077 | 1873.728 | -416.372 | Rodebush and Walters, 1930 | Coefficents calculated by NIST from author's data. |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Ion clustering data, NIST Free Links, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
MS - José A. Martinho Simões
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
0.5 (solution) + (cr) = C8H5CrNaO3 (solution)
By formula: 0.5C16H10Cr2O6 (solution) + Na (cr) = C8H5CrNaO3 (solution)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -285.1 ± 3.6 | kJ/mol | RSC | Kiss, Nolan, et al., 1994 | solvent: Tetrahydrofuran; The reaction enthalpy was calculated from the enthalpies of the following reactions: 0.5[Cr(Cp)(CO)3]2(solution) + (Na)[Cr(Cp)(CO)2(PPh3)](solution) = (Na)[Cr(Cp)(CO)3](solution) + Cr(Cp)(CO)2(PPh3)(solution), -34.9 ± 0.4 kJ/mol, Cr(Cp)(CO)2(PPh3)(solution) + (Na)(Ph2CO)(solution) = (Na)[Cr(Cp)(CO)2(PPh3)](solution) + Ph2CO(solution), -89.1 ± 2.5 kJ/mol, and Ph2CO(solution) + Na(cr) = (Na)(Ph2CO)(solution), -161.1 ± 2.5 kJ/mol Kiss, Nolan, et al., 1994.; MS |
0.5C16H10Mo2O6 (solution) + (cr) = C8H5MoNaO3 (solution)
By formula: 0.5C16H10Mo2O6 (solution) + Na (cr) = C8H5MoNaO3 (solution)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -265.5 ± 3.6 | kJ/mol | RSC | Kiss, Nolan, et al., 1994 | solvent: Tetrahydrofuran; The reaction enthalpy was calculated from the enthalpies of the following reactions: 0.5[Mo(Cp)(CO)3]2(solution) + (Na)[Cr(Cp)(CO)2(PPh3)](solution) = (Na)[Mo(Cp)(CO)3](solution) + Cr(Cp)(CO)2(PPh3)(solution), -15.3 ± 0.4 kJ/mol, Cr(Cp)(CO)2(PPh3)(solution) + (Na)(Ph2CO)(solution) = (Na)[Cr(Cp)(CO)2(PPh3)](solution) + Ph2CO(solution), -89.1 ± 2.5 kJ/mol, and Ph2CO(solution) + Na(cr) = (Na)(Ph2CO)(solution), -161.1 ± 2.5 kJ/mol Kiss, Nolan, et al., 1994.; MS |
0.5C26H30Mo2O6 (solution) + (cr) = C13H15MoNaO3 (solution)
By formula: 0.5C26H30Mo2O6 (solution) + Na (cr) = C13H15MoNaO3 (solution)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -250.6 ± 6.0 | kJ/mol | RSC | Kiss, Nolan, et al., 1994 | solvent: Tetrahydrofuran; The reaction enthalpy was calculated from the enthalpies of the following reactions: 0.5[Mo(Cp*)(CO)3]2(solution) + (Na)[Cr(Cp)(CO)2(PPh3)](solution) = (Na)[Mo(Cp*)(CO)3](solution) + Cr(Cp)(CO)2(PPh3)(solution), Cr(Cp)(CO)2(PPh3)(solution) + (Na)(Ph2CO)(solution) = (Na)[Cr(Cp)(CO)2(PPh3)](solution) + Ph2CO(solution), -89.1 ± 2.5 kJ/mol, and Ph2CO(solution) + Na(cr) = (Na)(Ph2CO)(solution), -161.1 ± 2.5 kJ/mol Kiss, Nolan, et al., 1994.; MS |
0.5C16H10O6W2 (solution) + (cr) = C8H5NaO3W (solution)
By formula: 0.5C16H10O6W2 (solution) + Na (cr) = C8H5NaO3W (solution)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -258.2 ± 6.0 | kJ/mol | RSC | Kiss, Nolan, et al., 1994 | solvent: Tetrahydrofuran; The reaction enthalpy was calculated from the enthalpies of the following reactions: 0.5[W(Cp)(CO)3]2(solution) + (Na)[Cr(Cp)(CO)2(PPh3)](solution) = (Na)[W(Cp)(CO)3](solution) + Cr(Cp)(CO)2(PPh3)(solution), Cr(Cp)(CO)2(PPh3)(solution) + (Na)(Ph2CO)(solution) = (Na)[Cr(Cp)(CO)2(PPh3)](solution) + Ph2CO(solution), -89.1 ± 2.5 kJ/mol, and Ph2CO(solution) + Na(cr) = (Na)(Ph2CO)(solution), -161.1 ± 2.5 kJ/mol Kiss, Nolan, et al., 1994.; MS |
0.5 (solution) + (cr) = C4CoNaO4 (solution)
By formula: 0.5C8Co2O8 (solution) + Na (cr) = C4CoNaO4 (solution)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -318. ± 11. | kJ/mol | RSC | Kiss, Nolan, et al., 1994 | solvent: Tetrahydrofuran; The reaction enthalpy was calculated from the enthalpies of the following reactions: 0.5Co2(CO)8(solution) + (Na)(Ph2CO)(solution) = (Na)[Co(CO)4](solution) + Ph2CO(solution), -157. ± 11. kJ/mol, and Ph2CO(solution) + Na(cr) = (Na)(Ph2CO)(solution), -161.1 ± 2.5 kJ/mol Kiss, Nolan, et al., 1994.; MS |
By formula: 4Na + C2ClF3 = 2C + ClNa + 3FNa
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -1576.1 ± 5.4 | kJ/mol | Cm | Kolesov, Zenkov, et al., 1963 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -1543. ± 5.4 kJ/mol; ALS |
(CAS Reg. No. 58799-98-7 • 4294967295) + = CAS Reg. No. 58799-98-7
By formula: (CAS Reg. No. 58799-98-7 • 4294967295Na) + Na = CAS Reg. No. 58799-98-7
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 58.7 ± 3.0 | kJ/mol | N/A | McHugh, Eaton, et al., 1989 | gas phase; Vertical Detachment Energy: 0.543±0.010 eV; B |
By formula: C4F8 + 4Na = 4C + 8FNa
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -2989. ± 9.2 | kJ/mol | Ccb | Kolesov, Talakin, et al., 1968 | gas phase; Correction of Kolesov, Talakin, et al., 1964; ALS |
By formula: (Na+ • 8Na) + Na = (Na+ • 9Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 75.3 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; ΔrH<; M |
(CAS Reg. No. 67291-87-6 • 4294967295) + = CAS Reg. No. 67291-87-6
By formula: (CAS Reg. No. 67291-87-6 • 4294967295Na) + Na = CAS Reg. No. 67291-87-6
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 126.8 ± 2.5 | kJ/mol | N/A | Miller, Leopold, et al., 1986 | gas phase; B |
(CAS Reg. No. 71892-04-1 • 4294967295) + = CAS Reg. No. 71892-04-1
By formula: (CAS Reg. No. 71892-04-1 • 4294967295Na) + Na = CAS Reg. No. 71892-04-1
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 199.9 ± 1.3 | kJ/mol | N/A | Miller, Leopold, et al., 1986 | gas phase; B |
(solution) + (cr) = C13H10NaO (solution)
By formula: C13H10O (solution) + Na (cr) = C13H10NaO (solution)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -161.1 ± 2.5 | kJ/mol | RSC | Kiss, Nolan, et al., 1994 | solvent: Tetrahydrofuran; MS |
By formula: (I- • 4294967295Na) + Na = I-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 82.0 ± 9.6 | kJ/mol | N/A | Miller, Leopold, et al., 1986 | gas phase; B |
(CAS Reg. No. 70377-22-9 • 4294967295) + = CAS Reg. No. 70377-22-9
By formula: (CAS Reg. No. 70377-22-9 • 4294967295Na) + Na = CAS Reg. No. 70377-22-9
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 114. ± 8.4 | kJ/mol | N/A | Miller, Leopold, et al., 1986 | gas phase; B |
By formula: (Na+ • 10Na) + Na = (Na+ • 11Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 65.7 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 11Na) + Na = (Na+ • 12Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 87.0 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 12Na) + Na = (Na+ • 13Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 69.5 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 13Na) + Na = (Na+ • 14Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 76.1 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 14Na) + Na = (Na+ • 15Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 66.5 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 15Na) + Na = (Na+ • 16Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 79.1 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 16Na) + Na = (Na+ • 17Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 82.8 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 17Na) + Na = (Na+ • 18Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 87.0 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 18Na) + Na = (Na+ • 19Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 82.0 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 19Na) + Na = (Na+ • 20Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 89.5 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 22Na) + Na = (Na+ • 23Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 71.5 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 23Na) + Na = (Na+ • 24Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 79.1 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 24Na) + Na = (Na+ • 25Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 76.1 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 25Na) + Na = (Na+ • 26Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 81.2 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 26Na) + Na = (Na+ • 27Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 76.1 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 27Na) + Na = (Na+ • 28Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 84.1 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 28Na) + Na = (Na+ • 29Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 82.8 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 29Na) + Na = (Na+ • 30Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 85.8 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 30Na) + Na = (Na+ • 31Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 81.2 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 31Na) + Na = (Na+ • 32Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 87.9 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 32Na) + Na = (Na+ • 33Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 88.7 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 33Na) + Na = (Na+ • 34Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 91.6 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 34Na) + Na = (Na+ • 35Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 82.0 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 35Na) + Na = (Na+ • 36Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 87.0 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 9Na) + Na = (Na+ • 10Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 75.3 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 2Na) + Na = (Na+ • 3Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 56.1 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 3Na) + Na = (Na+ • 4Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 84.1 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 4Na) + Na = (Na+ • 5Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 57.7 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 5Na) + Na = (Na+ • 6Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 110. | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 6Na) + Na = (Na+ • 7Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 73.2 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 7Na) + Na = (Na+ • 8Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 126. | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • Na) + Na = (Na+ • 2Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 133. | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: 4Na + CF4 = C + 4FNa
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -1362. ± 9.2 | kJ/mol | Ccb | Vorob'ev and Skuratov, 1960 | gas phase; ALS |
By formula: C2F4 + 4Na = 4FNa + 2C
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -1611. ± 4.6 | kJ/mol | Cm | Kolesov, Zenkov, et al., 1962 | gas phase; ALS |
By formula: 8Na + C3F8 = 3C + 8FNa
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -2761. ± 7.1 | kJ/mol | Ccb | Kolesov, Talakin, et al., 1967 | gas phase; ALS |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Ion clustering data, NIST Free Links, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
View reactions leading to Na+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 5.13908 | eV | N/A | N/A | L |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.5480 ± 0.0040 | LPES | Patterson, Hotop, et al., 1974 | B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
5.13908 | EVAL | Lide, 1992 | LL |
5.139 | S | Kelly, 1987 | LBLHLM |
5.14 ± 0.04 | PI | Peterson, Dao, et al., 1984 | LBLHLM |
5.2 | EI | Zmbov, Wu, et al., 1977 | LLK |
5.6 ± 0.3 | EI | Gingerich and Miller, 1975 | LLK |
5.6 ± 0.2 | EI | Semenov, Volkov, et al., 1973 | LLK |
5.3 ± 0.2 | EI | Piacente and Gingerich, 1972 | LLK |
5.139 | S | Moore, 1970 | RDSH |
Ion clustering data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, NIST Free Links, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
By formula: (I- • 4294967295Na) + Na = I-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 82.0 ± 9.6 | kJ/mol | N/A | Miller, Leopold, et al., 1986 | gas phase; B |
By formula: (Na+ • Na) + Na = (Na+ • 2Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 133. | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 2Na) + Na = (Na+ • 3Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 56.1 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 3Na) + Na = (Na+ • 4Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 84.1 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 4Na) + Na = (Na+ • 5Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 57.7 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 5Na) + Na = (Na+ • 6Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 110. | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 6Na) + Na = (Na+ • 7Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 73.2 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 7Na) + Na = (Na+ • 8Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 126. | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 8Na) + Na = (Na+ • 9Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 75.3 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; ΔrH<; M |
By formula: (Na+ • 9Na) + Na = (Na+ • 10Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 75.3 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 10Na) + Na = (Na+ • 11Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 65.7 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 11Na) + Na = (Na+ • 12Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 87.0 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 12Na) + Na = (Na+ • 13Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 69.5 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 13Na) + Na = (Na+ • 14Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 76.1 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 14Na) + Na = (Na+ • 15Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 66.5 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 15Na) + Na = (Na+ • 16Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 79.1 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 16Na) + Na = (Na+ • 17Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 82.8 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 17Na) + Na = (Na+ • 18Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 87.0 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 18Na) + Na = (Na+ • 19Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 82.0 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 19Na) + Na = (Na+ • 20Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 89.5 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 22Na) + Na = (Na+ • 23Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 71.5 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 23Na) + Na = (Na+ • 24Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 79.1 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 24Na) + Na = (Na+ • 25Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 76.1 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 25Na) + Na = (Na+ • 26Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 81.2 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 26Na) + Na = (Na+ • 27Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 76.1 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 27Na) + Na = (Na+ • 28Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 84.1 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 28Na) + Na = (Na+ • 29Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 82.8 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 29Na) + Na = (Na+ • 30Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 85.8 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 30Na) + Na = (Na+ • 31Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 81.2 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 31Na) + Na = (Na+ • 32Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 87.9 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 32Na) + Na = (Na+ • 33Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 88.7 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 33Na) + Na = (Na+ • 34Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 91.6 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 34Na) + Na = (Na+ • 35Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 82.0 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
By formula: (Na+ • 35Na) + Na = (Na+ • 36Na)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 87.0 | kJ/mol | PDiss | Brechignac, Cahuzac, et al., 1989 | gas phase; M |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, NIST Free Links, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Cox, Wagman, et al., 1984
Cox, J.D.; Wagman, D.D.; Medvedev, V.A.,
CODATA Key Values for Thermodynamics, Hemisphere Publishing Corp., New York, 1984, 1. [all data]
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
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Honig and Kramer, 1969
Honig, R.E.; Kramer, D.A.,
Vapor pressure data for the solid and liquid elements,
RCA Rev., 1969, 1969, 285. [all data]
Marsh, 1987
Marsh, K.N.,
Recommended Reference Materials for the Realization of Physicochemical Properties, Blackwell Sci. Pub., Oxford, 1987. [all data]
Rodebush and Walters, 1930
Rodebush, W.H.; Walters, E.G.,
The Vapor Pressure and Vapor Density of Sodium,
J. Am. Chem. Soc., 1930, 52, 7, 2654-2665, https://doi.org/10.1021/ja01370a011
. [all data]
Kiss, Nolan, et al., 1994
Kiss, G.; Nolan, S.P.; Hoff, C.D.,
Inorg. Chim. Acta, 1994, 227, 285. [all data]
Kolesov, Zenkov, et al., 1963
Kolesov, V.P.; Zenkov, I.D.; Skuratov, S.M.,
Standard enthalpy of formation of chlorotrifluoroethylene,
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Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
McHugh, Eaton, et al., 1989
McHugh, K.M.; Eaton, J.G.; Lee, G.H.; Sarkas, H.W.; Kidder, L.H.; Snodgrass, J.T.; Manaa, M.R.; Bowen, K.H.,
Photoelectron Spectra of the alkali metal cluster Anions: Na-,n=2-5, K-,n=2-7, Rb-,n=2-3, and Cs-,n=2-3,
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. [all data]
Kolesov, Talakin, et al., 1968
Kolesov, V.P.; Talakin, O.G.; Skuratov, S.M.,
Enthalpy of formation of some specimens of amorphous carbon,
Russ. J. Phys. Chem. (Engl. Transl.), 1968, 42, 1218-1220. [all data]
Kolesov, Talakin, et al., 1964
Kolesov, V.P.; Talakin, O.G.; Skuratov, S.M.,
Standard enthalpy of formation of perfluorocyclobutane,
Russ. J. Phys. Chem. (Engl. Transl.), 1964, 38, 930-931. [all data]
Brechignac, Cahuzac, et al., 1989
Brechignac, C.; Cahuzac, P.; Leygnier, J.; Weiner, J.,
Dynamics of Unimolecular Dissociation of Sodium Cluster Ions,
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. [all data]
Miller, Leopold, et al., 1986
Miller, T.M.; Leopold, D.G.; Murray, K.K.; Lineberger, W.C.,
Electron Affinities of the Alkali Halides and the Structure of their Negative Ions,
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Vorob'ev and Skuratov, 1960
Vorob'ev, A.F.; Skuratov, S.M.,
Standard enthalpies of formation of CF4,
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Kolesov, Zenkov, et al., 1962
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The standard enthalpy of formation of tetrafluoroethylene,
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Kolesov, V.P.; Talakin, O.G.; Skuratov, S.M.,
Standard enthalpy of formation of perfluoropropane and enthalpies of formation of normal perfluoroalkanes,
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Patterson, Hotop, et al., 1974
Patterson, T.A.; Hotop, H.; Kasdan, A.; Norcross, D.W.; Lineberger, W.C.,
Resonances in Alkali Negative-Ion Photodetachment and Electron Affinities of the Corresponding Neutrals,
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Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, NIST Free Links, References
- Symbols used in this document:
EA Electron affinity IE (evaluated) Recommended ionization energy S°gas,1 bar Entropy of gas at standard conditions (1 bar) S°liquid,1 bar Entropy of liquid at standard conditions (1 bar) S°solid Entropy of solid at standard conditions S°solid,1 bar Entropy of solid at standard conditions (1 bar) Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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