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Deuterium

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Constants of diatomic molecules

Go To: Top, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Klaus P. Huber and Gerhard H. Herzberg

Data collected through November, 1976

Symbols used in the table of constants
SymbolMeaning
State electronic state and / or symmetry symbol
Te minimum electronic energy (cm-1)
ωe vibrational constant – first term (cm-1)
ωexe vibrational constant – second term (cm-1)
ωeye vibrational constant – third term (cm-1)
Be rotational constant in equilibrium position (cm-1)
αe rotational constant – first term (cm-1)
γe rotation-vibration interaction constant (cm-1)
De centrifugal distortion constant (cm-1)
βe rotational constant – first term, centrifugal force (cm-1)
re internuclear distance (Å)
Trans. observed transition(s) corresponding to electronic state
ν00 position of 0-0 band (units noted in table)
Diatomic constants for D2
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
u 3Piu 6ppi 122365.6 1649.03 35.13 1 0.627 15.036 0.587 2 0.008 0.0053  1.0551 u rarrow a 26286.75
Cunningham and Dieke, 1950
w (3Pig) 5dpi 3           w rarrow c 
Cunningham and Dieke, 1950
q (3Sigmag+) 5dsigma 3           q rarrow c 
Cunningham and Dieke, 1950
n 3Piu 5ppi 120976.9 1652.73 34.25 4 0.627 15.040 5 0.560 6 0.035 0.0053  1.0550 n rarrow a 24900.14
Cunningham and Dieke, 1950
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
r 3Pig 4dpi [(119380)]    7 8      r rarrow c R (22650) 7
Cunningham and Dieke, 1950
p 3Sigmag+ 4ddelta [119242]          p rarrow c R 22509.9 7
Cunningham and Dieke, 1950
k 3Piu 4ppi 118396.7 1658.85 33.88 9 0.508 15.075 10 0.566 11 0.008 0.0046  1.0538 k rarrow a 22323.06
Cunningham and Dieke, 1950
f 3Sigmau+ 4psigma 116640 1618 32.8  14.66 0.62    1.069 f rarrow a R 20546.0
Cunningham and Dieke, 1950
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
j 3Deltag 3ddelta [114194.1]    7      j rarrow c V 17462.3 7
Cunningham and Dieke, 1950
i 3Pig 3dpi (113093) [1541.9]   7 12      i rarrow e R 5320.0 13
missing citation
           i rarrow c R 17131.9 13
Cunningham and Dieke, 1950
g 3Sigmag+ 3dsigma (112856) [1511.3]   7      g rarrow e R 5067.8
missing citation
           g rarrow c R 16879.8
Cunningham and Dieke, 1950
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
d 3Piu 3ppi 112729.8 14 1678.22 15 32.94 16 0.24 15.200 15 0.5520  [0.0049]  1.0494 d rarrow a R 16666.0
Dieke, 1935
e 3Sigmau+ 3psigma 107774.0 1556.64 34.51 17 0.287 13.856 0.451  [0.004]  1.0991 e rarrow a R 11649.1
Dieke, 1935, 2
a 3Sigmag+ 2ssigma 95958.08 18 1885.84 35.96 18 0.34 17.109 0.606  [0.0055]  0.9891 a rarrow b 19 
           (a-X) 95348.18 20
Dieke, 1935
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
c 3Piu 2ppi [96731.8]    [15.305] 21   [0.00514] 21  [1.0458] c-X 22 95185.3 23
Cunningham and Dieke, 1950
b 3Sigmau+ 2psigmaLower state of continuous spectrum of D2 (a rarrow b).
RydbergIonization continua joining on to Rydberg series. 24
v'=0 Rydberg series of rotational levels observed in low temperature absorption from X 1Sigmag+ (v=0) and converging to:
Rydberg 25           R(0) lines (ortho-D2) 
Takezawa and Tanaka, 1975
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
Rydberg 26           Q(1) lines (para-D2) 
Takezawa and Tanaka, 1975
Rydberg 27           R(0) lines (ortho-D2) 
Takezawa and Tanaka, 1975
B bar 1Sigmau+see 1H2
Dabrowski and Herzberg, 1974; Chupka, Dehmer, et al., 1975; Kolos, 1976
D" 1Piu 5ppi 121227.5 28 1648.68 28 33.638 28 29 0.3034 15.133 30 31 0.6521 30 0.01329 [0.00704] 30 0.01329 1.0517 D" larrow X R 120497.0 28
Monfils, 1965; Monfils, 1968; Takezawa and Tanaka, 1975
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
D' 1Piu 4ppi 118887.9 28 1653.15 28 33.35 28 32 0.226 15.041 33 31 0.5508 33 0.00503 [0.00323] 33  1.0550 D' larrow X R 118159.7 28
Monfils, 1965; Monfils, 1968; Takezawa and Tanaka, 1975
B" 1Sigmau+ 4psigma 117970.7 1563.02 35.416 34 0.0843 13.685 31 0.3842 35  0.00024  1.1060 B" larrow X R 117196.9
Monfils, 1965; Monfils, 1968; Takezawa and Tanaka, 1975
M 1Sigmag+ [114504.5] 36    [4.0]     [2.06] M rarrow B R 22324.2
Dieke and Lewis, 1937
D 1Piu 3ppi 113914.0 1667.60 33.343 37  15.11 38 31 0.54 39  0.005 39 -0.002 1.053 D larrow X R 113193.0 40
Monfils, 1965; Monfils, 1968
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
I 1Pig 3dpi 113081.5 1600.14 39.42  14.739 41 42 0.526 41  [0.0025] 41  1.0657 I rarrow B V 21691.4 43
Dieke and Lewis, 1937
G 1Sigmag+ 3dsigma (112893) [1440.8]   44 45      G rarrow B R 21433.2
Dieke and Lewis, 1937
K (1Sigmag+) (112610) [1660]   [6.6]     [1.59] K rarrow B (21260) 46
Dieke and Lewis, 1937
B' 1Sigmau+ 3psigma 111642.2 47 1451.98 45.679 48 2.096 13.605 31 0.920 49  [0.00415] 50  1.1092 B' larrow X R 110815.65
Monfils, 1965; Monfils, 1968; missing citation
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
F 1Sigmag+ 2psigma2 (100931.2) 51 [859.1] 52   53     53 F rarrow B R 
Dieke and Cunningham, 1965
E 1Sigmag+ 2ssigma 100128.1 1784.42 48.105  16.3696 0.6764  [0.0054]  1.01124 E rarrow N V 8827.99
Dieke and Cunningham, 1965
C 1Piu 2ppi 100097.2 54 1729.92 34.917 55 0.2612 15.6731 56 0.5679 57  0.00532 58  1.03346 CX lrarrow 59 R 99409.18 60
missing citation; missing citation
B 1Sigmau+ 2psigma 91697.2 54 963.08 11.038 61  10.0680 56 0.4198 62  0.00403 63  1.28944 B lrarrow X 64 65 R 90633.79
missing citation; missing citation; missing citation
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
X 1Sigmag+ 1ssigma2 0 3115.50 61.82 66 0.562 30.4436 67 1.0786 68  0.01141 69  0.74152  
Brannon, Church, et al., 1968
Field- and pressure-induced sp. 70
Watanabe and Welsh, 1965; Reddy and Kuo, 1971; Russell, Reddy, et al., 1974
Raman sp.
Stoicheff, 1957
Rf magn. Reson. sp. 71
Kolsky, Phipps, et al., 1952; Ramsey, 1956; English and MacAdam, 1970; Code and Ramsey, 1971

Notes

1Uncertain.
2Uncertain.
3Fragment
4Uncertain.
5Lambda-type doubling constant q(v=0) = 0.25 cm-1 Cunningham and Dieke, 1950.
6missing note
7Strongly affected by l-uncoupling, no constants given by Cunningham and Dieke, 1950; nu00 roughly evaluated from their wave number data. See also H2 4 and H2 10.
8Anti-crossings of r 3Pig(v=0,N=2) with G 1Sigmag+(v=4,N=2) yielding orbital g factors and hyperfine structure Miller, Freund, et al., 1976).
9omegaeze = +0.0345.
10Lambda-type doubling constant q(v=0) = 0.29 cm-1 Cunningham and Dieke, 1950.
11Uncertain.
12Anti-crossings between i 3Pig(v=1,N=1) and I 1Pig(v=1,N=1) observed by Jost, Lombardi, et al., 1976.
13Refers to Pi-(v=0,N=1); Pi+(v=0, N=1) is at 5348.9 cm-1 above e 3Sigmau+(v=0,N=0). The rotational levels are very irregular.
14Microwave optical magnetic resonance induced by electrons Freund and Miller, 1973 gives the following triplet splittings for v=0, N=1 of para-D2: Delta nu10 = 0.04301, Delta nu02 = 0.00656, and of ortho-D2: Delta nu02 = 0.08286, Delta nu21 = 0.00402 cm-1; similar splittings for v=1...5. Freund and Miller, 1973, 2 derive Ae = -0.02809 cm-1.
15Refers to the 3Pi- component; 3Pi+ is strongly perturbed. The Lambda-type doubling is large and irregular missing citation; for v=0, N=1 it is 0.13 cm-1 Freund and Miller, 1973, 2. Breaking-off of P and R branches for v'> 4 on account of predissociation Dieke, 1935; see also Freund and Miller, 1973.
16missing note
17omegaeze = -0.04.
18Te takes account of Y00 in both upper (Y'00 = 2.67) and lower state.
19Lifetime tau(v=0,1) = 12.5 ns Smith and Chevalier, 1972.
20From singlet-triplet anti-crossings Jost, Lombardi, et al., 1976, Miller, Freund, et al., 1976.
21From the assignments of Cunningham and Dieke, 1950 in the g-c, i-c, j-c,...bands by evaluating combination differences.
22Lifetime tau(v=0) = 1.02 ms Johnson, 1972, refers to the non-predissociating component c 3Piu- and corresponds to radiative (magnetic dipole) transitions to b 3Sigmau+; See H2 49.
23From T0 of a 3Sigmag+ and the nu00 values for the transitions e-a, g-e, and g-c.
24Cross sections for photoionization into the various vibrational levels of D2+ and the adjoining continuum (dissociative photoionization) observed by Villarejo, 1968, Berkowitz and Spohr, 1973 and calculated by Dunn, 1966, Villarejo, 1968, 2, Itikawa, 1973, Ford, Docken, et al., 1975.
25N=2 of D2+: J=1 levels of nppi 1Piu+ (n=6...9, joining on to C, D, D', D")74; nu = 124833 - RD2/(n+0.082)2.
26N=1 of D2+: J=1 levels of nppi 1Piu- (n=6...24, joining on to C, D, D', D")75; nu = 124775.0 - RD2/(n+0.082)2. Similar series with v'=1,2.
27N=0 of D2+: J=1 levels of npsigma 1Sigmau+ (n=5...25,36..45, joining on to B, B', B")74; nu = 124745.55 - RD2/(n-0.203)2. Similar series with v'=1,2.
28Average of Pi+ and Pi-.
29v=0-5.
30Constants refer to Pi-. For Pi+ Takezawa and Tanaka, 1975 give Be= 16.198 , alphae= 0.6188 ; D0= 0.00785.
31RKR potential functions Monfils, 1968, 2.
32A very small quartic term differs in sign for Pi+ and Pi- Takezawa and Tanaka, 1975; v=0-7.
33Constants refer to Pi-. Pi+ is perturbed by B" 1Sigmau+, particularly for v=3 and 7. After deperturbation, and excluding v = 2,4,8, Takezawa and Tanaka, 1975 obtain Bv(Pi+,v=0-10) = 15.336 - 0.4966(v+1/2) - 0.00489(v+1/2)2 Takezawa and Tanaka, 1975; D0(Pi+) = 0.00756 Takezawa and Tanaka, 1975.
34omegaeye= +0.0843. omegaeze = -0.01364; Monfils, 1968 gives slightly different constants. There are strong perturbations which make vibrational constants somewhat ambiguous.
35Strong rotational perturbations in v=4, weaker ones in v=3, 5, and 9 caused by D' 1Piu+ Takezawa and Tanaka, 1975.
36v=0(?) only, fragmentary.
37omegaexe= +0.1698(v+1/2)3 + 0.00296(v+1/2)4 - 0.000307(v+1/2)5: the vibrational constants refer to the average of Pi+ and Pi- Monfils, 1968.
38Strong predissociation for vgeq4, not yet studied in detail but Comes and Schumpe, 1971 observe line widths of 3.5 cm-1 for J-2, v=4...7 of Pi+. Comes and Wenning, 1970 observe Lyalpha of D in fluorescence as a consequence of predissociation and find a noticeable increase of predissociation when an electric field is applied (field-induced predissociation). Theoretical discussion Fiquet-Fayard and Gallais, 1972.
39Dv irregular; the rotational constants refer to Pi-.
40Average of Pi+ and Pi- extrapolated to J=0. The Lambda-type doubling is LambdaD= 2.14 cm-1; v=0, J=1 with Pi+ above Pi-.
41Effective constants for Pi-, strongly affected by l-uncoupling. See also I 1Pig of H2.
42Anti-crossings between i 3Pig(v=1,N=1) and I 1Pig(v=1,N=1) observed by Jost, Lombardi, et al., 1976.
43Refers to the J=1 level of 1Pi-; the J=1 level of 1Pi+ lies 18.7 cm-1 higher.
44Zeeman effect in 0-0 band Dieke, 1954.
45Anti-crossings of r 3Pig(v=0,N=2) with G 1Sigmag+(v=4,N=2) yielding orbital g factors and hyperfine structure Miller, Freund, et al., 1976.
46Refers to J'=1.
47Takes account of Y00 in both upper and lower state. The Y'00 values for B, C, B' are Y'00(B)= 4.2 cm-1,Y'00(C)= 2.2 cm-1,(Y'00(B')= 5.1 cm-1), respectively, but Y00(B') is uncertain; see comments regarding H2.
48omegaeze = -0.294 Dabrowski and Herzberg, 1974, seven-level fit Dabrowski and Herzberg, 1974. Monfils, 1968 gives rather different constants based on a nine-level fit; his ninth level (v=8) disagrees strongly with that of Dabrowski and Herzberg, 1974.
49+0.102(v+1/2)2 - 0.0134(v+1/2)3, seven-level fit Dabrowski and Herzberg, 1974.
50D1 = 0.00371, higher Dv values are irregular.
51From the observed nu60 and the energy of v=6 above the (outer) minimum as calculated by Kolos and Wolniewicz, 1969; see H2.
52Calculated DeltaG(1/2) value of the outer minimum of the double-minimum state Kolos and Wolniewicz, 1969; see H2. According to Kolos and Wolniewicz, 1969 the lowest level of the outer minimum is 9190.1 cm-1 above B 1Sigmau+(v=0), but the v=0...5 levels have not yet been observed. The v=6 level lies just below the potential maximum.
53B6 = 3.5. r6 =2.2. Vibrational numbering of Kolos and Wolniewicz, 1969. The D6 value is large and negative. Higher vibrational levels lie above the potential maximum and have larger Bv values (e.g. B12 = 5.688) corresponding to the fact that for these levels the vibrational motion covers both minima of the E,F state. A few rotational levels of v=4 have been observed.
54Takes account of Y00 in both upper and lower state.The Y'00 values for B, C, B' are Y'00(B)= 4.2 cm-1,Y'00(C)= 2.2 cm-1,(Y'00(B')= 5.1 cm- 1), but Y00(B') is uncertain; see comments regarding H2. Te of C 1Piu and nu00(C-X) both exclude -BLambda2.
55omegaeze = -0.00946; the zero-point energy (Y00 = 2.2 included) is 858.46 cm-1. The eight-level fit refers to Pi Dabrowski and Herzberg, 1974. All vibrational levels up to v=19 have been observed. The last level lies 50 cm-1 above the dissociation limit confirming the theoretical prediction Kolos and Wolniewicz, 1965 of a maximum in the potential function.
56RKR potential functions Monfils, 1968, 2.
57alphav= +0.00419(v+1/2)2 - 0.000101(v+1/2)3 Dabrowski and Herzberg, 1974, eight-level fit referring to 1Piu- Dabrowski and Herzberg, 1974. Several of the 1Piu+ levels are strongly perturbed by B 1Sigmau+.
58-0.000216(v+1/2) + 0.000011(v+1/2)2.
59Franck-Condon factors from electron energy loss spectra Geiger and Schmoranzer, 1969. Theoretical band oscillator strengths, transition probabilities and photodissociation cross sections Allison and Dalgarno, 1969.
60missing note
61omegaexe= +0.4109(v+1/2)3 - 0.0370(v+1/2)4 + 0.00154(v+1/2)5, the zero- point energy (Y00 = 4.2 included) is 483.03 cm-1; eight-level fit Dabrowski and Herzberg, 1974. All vibrational levels up to v=51 have been observed.
62+0.0296(v+1/2)2 - 0.0015(v+1/2)3 Dabrowski and Herzberg, 1974; eight-level fit Dabrowski and Herzberg, 1974.
63-0.000320(v+1/2) + 0.000013(v+1/2)2.
64Selective enhancements of v' = 7 and 9 in Ar-D2 mixtures studied by Takezawa, Innes, et al., 1967. Experimental Franck-Condon factors Geiger and Schmoranzer, 1969, calculated Halmann and Laulicht, 1966. Theoretical band oscillator strengths, transition probabilities, and photodissociation cross sections Allison and Dalgarno, 1969.
65Continuous component of B-X (corresponding to the continuum of X 1Sigmag+) observed by Dalgarno, Herzberg, et al., 1970.
66omegaeze = -0.02286; the zero-point energy (Y00 = 4.13 included) is 1546.49 cm-1. Data from the Raman measurements of Stoicheff, 1957 and the field-induced spectrum of Brannon, Church, et al., 1968 have been combined with the somewhat less accurate VUV results in the least-squares solution (10-level fit) for the vibrational and rotational constants Bredohl and Herzberg, 1973. All vibrational levels have been observed, the last one, v=21, being only 2.1 cm-1 below the dissociation limit Bredohl and Herzberg, 1973. Theoretical values for all bound and quasi-bound levels are given by LeRoy, 1971; see also Kolos and Wolniewicz, 1975. For a discussion of the small differences observed-calculated, see Bunker, 1972, Bredohl and Herzberg, 1973, Dabrowski and Herzberg, 1976.
67According to Ramsey, 1952 the hyperfine levels F=1 and 2 for v=0,J=1 (para-D2) are 0.6609E-5 and 0.4669E-5 cm-1 below the F=0 component.
68+0.01265(v+1/2)2 - 0.00069(v+1/2)3; see 66. As for H2 the Bv curve has a slightly negative curvature at low v.
69-0.000224(v+1/2) - +..., from the data of Stoicheff, 1957, Brannon, Church, et al., 1968, Bredohl and Herzberg, 1973.
701-0 and 2-0 bands.
71Nuclear spectrum Kolsky, Phipps, et al., 1952; the rotational spectrum gives the rotational magnetic moment for J=1: 0.44288 muN Ramsey, 1956. Code and Ramsey, 1971 determine spin-rotation and quadrupole interaction constants for J=1,2 and derive the quadrupole moment of D. Polarizability anisotropy alpha parallel - alpha perp = 0.2897 Å3 English and MacAdam, 1970.
7236748.9 cm-1, from the dissociation limit (beginning of continuum) in the B'-X system Herzberg, 1970. The same value has been derived by LeRoy and Barwell, 1975 from the last observed levels in the ground state by relations involving the long-range behavior of the potential function. 36748.2 cm-1 from ab initio calculations Kolos and Wolniewicz, 1975.
73From the Rydberg limits of Takezawa and Tanaka, 1975 after correction for pressure shift Herzberg, 1972.
74See the remarks in H2 52 concerning the corresponding series of H2. Note, however, that an accurate representation using Fano's quantum defect theory has not yet been attempted for D2.
75This series of levels is obtained Takezawa and Tanaka, 1975 from a Rydberg series of Q(1) lines whose limit is at 124715.2 cm-1. A similar series of Q(2) lines with a limit at 124654 cm-1 converges to the N=2 level of D2+; also observed for v=1 and 2. These series, unlike J=1 of npsigma, 1Sigmau+ and nppi, 1Piu+, are essentially unperturbed.
76Franck-Condon factors from electron energy loss spectra Geiger and Schmoranzer, 1969.
77Excludes -BLambda2.

References

Go To: Top, Constants of diatomic molecules, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Cunningham and Dieke, 1950
Cunningham; Dieke, Johns Hopkins University, Department of Physics, Rpt. NYO-692, 1950, 1. [all data]

Dieke, 1935
Dieke, G.H., The triplet 3p complex of the hydrogen molecule, Phys. Rev., 1935, 48, 610. [all data]

Dieke, 1935, 2
Dieke, G.H., The 3p3«SIGMA»-->2s3«SIGMA» bands of HD and D2, Phys. Rev., 1935, 48, 606. [all data]

Takezawa and Tanaka, 1975
Takezawa, S.; Tanaka, Y., The absorption spectrum of D2 in the vacuum-uv region, Rydberg bands, no«sigma»1«SIGMA»u+<--X1«SIGMA»g+ and np«pi»1«pi»<--X1«SIGMA»g+ with n=4-6, and the ionization energy, J. Mol. Spectrosc., 1975, 54, 379. [all data]

Dabrowski and Herzberg, 1974
Dabrowski, I.; Herzberg, G., The absorption spectrum of D2 from 1100 to 840 Å, Can. J. Phys., 1974, 52, 1110. [all data]

Chupka, Dehmer, et al., 1975
Chupka, W.A.; Dehmer, P.M.; Jivery, W.T., High resolution photoionization study of ion-pair formation in H2, HD, and D2, J. Chem. Phys., 1975, 63, 3929. [all data]

Kolos, 1976
Kolos, W., Ab initio potential energy curves and vibrational levels for the B", B«macron», and B'1«SIGMA»u+ states of the hydrogen molecule, J. Mol. Spectrosc., 1976, 62, 429. [all data]

Monfils, 1965
Monfils, A., The absorption spectra of the molecules H2, HD, and D2. Part VI. Rotational analysis of the B', B", D, D', and D" states, J. Mol. Spectrosc., 1965, 15, 265. [all data]

Monfils, 1968
Monfils, A., Absorption spectra of molecules H2, HD, and D2. VII. Vibrational constants of the B, B', B", C, D, D', and D" states, J. Mol. Spectrosc., 1968, 25, 513. [all data]

Dieke and Lewis, 1937
Dieke, G.H.; Lewis, M.N., Bands of HD and D2 ending on the 2p1«SIGMA» state, Phys. Rev., 1937, 52, 100. [all data]

Dieke and Cunningham, 1965
Dieke, G.H.; Cunningham, S.P., Bands of D2 and T2 originating from the lowest excited 1«SIGMA»g states (1s«sigma»)(2s«sigma»)1«SIGMA»g and (2p«sigma»)21«SIGMA»g, J. Mol. Spectrosc., 1965, 18, 288. [all data]

Brannon, Church, et al., 1968
Brannon, P.J.; Church, C.H.; Peters, C.W., Electric field induced spectra of molecular hydrogen, deuterium and deuterium hydride, J. Mol. Spectrosc., 1968, 27, 44. [all data]

Watanabe and Welsh, 1965
Watanabe, A.; Welsh, H.L., Pressure-induced infrared absorption of gaseous hydrogen and deuterium at low temperatures, Can. J. Phys., 1965, 43, 818. [all data]

Reddy and Kuo, 1971
Reddy, S.P.; Kuo, C.Z., Collision-induced 1st overtone infrared absorption band of deuterium, J. Mol. Spectrosc., 1971, 37, 327. [all data]

Russell, Reddy, et al., 1974
Russell, W.E.; Reddy, S.P.; Cho, C.W., Collision-induced fundamental band of D2 in D2-He and D2-Ne mixtures at different temperatures, J. Mol. Spectrosc., 1974, 52, 72. [all data]

Stoicheff, 1957
Stoicheff, B.P., High resolution Raman spectroscopy of gases. IX. Spectra of H2, HD, and D2, Can. J. Phys., 1957, 35, 730. [all data]

Kolsky, Phipps, et al., 1952
Kolsky, H.G.; Phipps, T.E., Jr.; Ramsey, N.F.; Silsbee, H.B., Nuclear radiofrequency spectra of H2 and D2 in high and low magnetic fields, Phys. Rev., 1952, 87, 395. [all data]

Ramsey, 1956
Ramsey, Molecular Beams, Clarendon Press, Oxford, 1956, 238. [all data]

English and MacAdam, 1970
English, T.C.; MacAdam, K.B., Molecular-beam resonance measurement of deuterium polarizability anisotropy, Phys. Rev. Lett., 1970, 24, 555-557. [all data]

Code and Ramsey, 1971
Code, R.F.; Ramsey, N.F., Molecular-beam magnetic resonance studies of HD and D2, Phys. Rev. A: Gen. Phys., 1971, 4, 1945. [all data]

Miller, Freund, et al., 1976
Miller, T.A.; Freund, R.S.; Zegarski, B.R., A forbidden singlet-triplet anticrossing in D2, J. Chem. Phys., 1976, 64, 1842. [all data]

Jost, Lombardi, et al., 1976
Jost, R.; Lombardi, M.; Derouard, J.; Freund, R.S.; Miller, T.A.; Zegarski, B.R., Singlet-triplet anticrossings and the electronic isotope shift in D2, Chem. Phys. Lett., 1976, 37, 507. [all data]

Freund and Miller, 1973
Freund, R.S.; Miller, T.A., Fine structure of ortho- and para-D2 d(3p) 3«PI»u via microwave optical magnetic resonance induced by electrons, J. Chem. Phys., 1973, 59, 4073. [all data]

Freund and Miller, 1973, 2
Freund, R.S.; Miller, T.A., Fine structure of para-H2 d(3p) 3«PI»u («nu»=0-3) via microwave optical magnetic resonance induced by electrons, J. Chem. Phys., 1973, 58, 3565. [all data]

Smith and Chevalier, 1972
Smith, W.H.; Chevalier, R., Radiative-lifetime studies of the emission continua of the hydrogen and deuterium molecules, Astrophys. J., 1972, 177, 835. [all data]

Johnson, 1972
Johnson, C.E., Lifetime of the c3«PI»u metastable state of H2, D2, and HD, Phys. Rev. A: Gen. Phys., 1972, 5, 1026. [all data]

Villarejo, 1968
Villarejo, D., Measurement of threshold electrons in the photoionization of H2 and D2, J. Chem. Phys., 1968, 48, 4014. [all data]

Berkowitz and Spohr, 1973
Berkowitz, J.; Spohr, R., Comparison of photoelectron intensities and Franck-Condon factors in the photoionization of H2, HD and D2, J. Electron Spectrosc. Relat. Phenom., 1973, 2, 143. [all data]

Dunn, 1966
Dunn, G.H., Franck-Condon factors for the ionization of H2 and D2, J. Chem. Phys., 1966, 44, 2592. [all data]

Villarejo, 1968, 2
Villarejo, D., Vibration-rotation interaction effects in calculated Franck-Condon factors. I. The ionization of H2 and D2, J. Chem. Phys., 1968, 49, 2523. [all data]

Itikawa, 1973
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Notes

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