Benzenemethanol, α,α-diphenyl-
- Formula: C19H16O
- Molecular weight: 260.3297
- IUPAC Standard InChIKey: LZTRCELOJRDYMQ-UHFFFAOYSA-N
- CAS Registry Number: 76-84-6
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Methanol, triphenyl-; Triphenylcarbinol; Triphenylmethanol; Triphenylmethyl alcohol; Tritanol; Trityl alcohol; NSC 4050
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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.
Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | -2.5 ± 2.3 | kJ/mol | Ccb | Parks, Manchester, et al., 1954 | Reanalyzed by Cox and Pilcher, 1970, Original value = -3.3 ± 2.5 kJ/mol; ALS |
ΔfH°solid | 35.5 | kJ/mol | Ccb | Schmidlin, 1906 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -9760.9 ± 2.2 | kJ/mol | Ccb | Parks, Manchester, et al., 1954 | Reanalyzed by Cox and Pilcher, 1970, Original value = -9760.14 kJ/mol; Corresponding ΔfHºsolid = -2.5 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°solid | -9798.9 | kJ/mol | Ccb | Schmidlin, 1906 | Corresponding ΔfHºsolid = 36. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
318.8 | 298.5 | Smith and Andrews, 1931 | T = 102 to 346 K. Value is unsmoothed experimental datum.; DH |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, References, Notes
Data compiled by: Coblentz Society, Inc.
- SOLID (1 mg / 300 mg KBr DISC) $$ PURITY - ANALYTICAL; PERKIN-ELMER 180 (GRATING); DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm-1 resolution
- SOLUTION (SATURATED IN CCl4 FOR 3800-1350 CM-1, SATURATED IN CS2 FOR 1350-450 CM-1); Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
References
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Parks, Manchester, et al., 1954
Parks, G.S.; Manchester, K.E.; Vaughan, L.M.,
Heats of combustion and formation of some alcohols, phenols, and ketones,
J. Chem. Phys., 1954, 22, 2089-2090. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Schmidlin, 1906
Schmidlin, M.J.,
Recherches chimiques et thermochimiques sur la constitution des rosanilines,
Ann. Chim. Phys., 1906, 1, 195-256. [all data]
Smith and Andrews, 1931
Smith, R.H.; Andrews, D.H.,
Thermal energy studies. I. Phenyl derivatives of methane,
ethane and some related compounds. J. Am. Chem. Soc., 1931, 53, 3644-3660. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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