Methane, dibromodichloro-
- Formula: CBr2Cl2
- Molecular weight: 242.725
- IUPAC Standard InChIKey: IHUREIPXVFKEDT-UHFFFAOYSA-N
- CAS Registry Number: 594-18-3
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Dibromodichloromethane; CCl2Br2; Carbon dibromide dichloride
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Phase change data
Go To: Top, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, 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:
AC - William E. Acree, Jr., James S. Chickos
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
0.552 | 294.4 | Ohta, Yamamuro, et al., 1995 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
5.02 | 258.8 | Ohta, Yamamuro, et al., 1995, 2 | CAL |
1.9 | 294.4 |
Mass spectrum (electron ionization)
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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
NIST MS number | 11633 |
Vibrational and/or electronic energy levels
Go To: Top, Phase change data, Mass spectrum (electron ionization), 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: Takehiko Shimanouchi
Symmetry: C2ν Symmetry Number σ = 2
Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
---|---|---|---|---|---|---|---|---|---|---|
Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
a1 | 1 | CCl2 s-str | 733 | C | 733 VS | liq. | 734 p | liq. | ||
a1 | 2 | CBr2 s-str | 380 | C | 377 W | liq. | 380 p | liq. | ||
a1 | 3 | CCl2 scis | 242 | C | 242 p | liq. | ||||
a1 | 4 | CBr2 scis | 154 | C | 154 p | liq. | ||||
a2 | 5 | CCl2 twist | 175 | C | ia | 175 dp | liq. | |||
b1 | 6 | CBr2 a-str | 683 | C | 683 VS | liq. | 684 dp | liq. | ||
b1 | 7 | CCl2 wag | 229 | C | 229 dp | liq. | ||||
b2 | 8 | CCl2 a-str | 768 | C | 768 VS | liq. | 771 dp | liq. | ||
b2 | 9 | CCl2 rock | 262 | C | 262 dp | liq. | ||||
Source: Shimanouchi, 1972
Notes
VS | Very strong |
W | Weak |
ia | Inactive |
p | Polarized |
dp | Depolarized |
C | 3~6 cm-1 uncertainty |
References
Go To: Top, Phase change data, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ohta, Yamamuro, et al., 1995
Ohta, Tomoko; Yamamuro, Osamu; Matsuo, Takasuke,
Heat Capacities and Phase Transitions of CBrCl3 and CBr2Cl2,
J. Phys. Chem., 1995, 99, 8, 2403-2407, https://doi.org/10.1021/j100008a024
. [all data]
Ohta, Yamamuro, et al., 1995, 2
Ohta, T.; Yamamuro, O.; Matsuo, T.,
Heat Capacities and Phase Transitions of CBrCl3 and CBr2Cl2,
J. Phys. Chem., 1995, 99, 8, 2403, https://doi.org/10.1021/j100008a024
. [all data]
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]
Notes
Go To: Top, Phase change data, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, References
- Symbols used in this document:
ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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