Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology | |
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Other names |
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Aerothene MM; Chlorure de methylene; DCM; Dichloromethane; Freon 30; Methane dichloride; Methane, dichloro-; Methylene bichloride; Methylene Chloride; Methylene dichloride; Metylenu chlorek; Narkotil; R 30; Solaesthin; Solmethine; |
INChI | INChIKey | SMILES | IUPAC name |
---|---|---|---|
InChI=1S/CH2Cl2/c2-1-3/h1H2 | YMWUJEATGCHHMB-UHFFFAOYSA-N | ClCCl | Dichloromethane |
State | Conformation |
---|---|
1A1 | C2V |
Property | Value | Uncertainty | units | Reference | Comment |
---|---|---|---|---|---|
Hfg(298.15K) | -95.00 | 0.30 | kJ mol-1 | Gurvich | |
Hfg(0K) | -88.15 | 0.30 | kJ mol-1 | Gurvich | |
Entropy (298.15K) | 270.36 | J K-1 mol-1 | Gurvich | ||
Integrated Heat Capacity (0 to 298.15K) | 11.85 | kJ mol-1 | Gurvich | ||
Heat Capacity (298.15K) | 50.95 | J K-1 mol-1 | Gurvich |
Mode Number | Symmetry | Frequency | Intensity | Comment | Description | ||||
---|---|---|---|---|---|---|---|---|---|
Fundamental(cm-1) | Harmonic(cm-1) | Reference | (km mol-1) | unc. | Reference | ||||
1 | A1 | 2999 | Shim | CH2 s-stretch | |||||
2 | A1 | 1467 | Shim | CH2 sciss | |||||
3 | A1 | 717 | Shim | CCl2 s-str | |||||
4 | A1 | 282 | Shim | CCl2 scissors | |||||
5 | A2 | 1153 | Shim | CH2 twist | |||||
6 | B1 | 3040 | Shim | CH2 a-stretch | |||||
7 | B1 | 898 | Shim | CH2 rock | |||||
8 | B2 | 1268 | Shim | CH2 wag | |||||
9 | B2 | 758 | Shim | CCl2 a-str |
A | B | C | reference | comment |
---|---|---|---|---|
1.06748 | 0.11075 | 0.10225 | 1989Tul/Niv:355 |
Product of moments of inertia | ||||
---|---|---|---|---|
396307.8 | amu3Å6 | 1.81468237681875E-114 | gm3 cm6 |
Point Group C2v
Description | Value | unc. | Connectivity | Reference | Comment | |||
---|---|---|---|---|---|---|---|---|
Atom 1 | Atom 2 | Atom 3 | Atom 4 | |||||
rCCl | 1.767 | 0.002 | 1 | 4 | 1998Kuc | rs | ||
rCH | 1.085 | 0.002 | 1 | 2 | 1998Kuc | rs | ||
aClCCl | 112.2 | 0.1 | 4 | 1 | 5 | 1998Kuc | rs | |
aHCH | 112.1 | 0.2 | 2 | 1 | 3 | 1998Kuc | rs | |
aHCCl | 108.14865 | 0.2 | 2 | 1 | 4 | derived from other angles |
Atom | x (Å) | y (Å) | z (Å) |
---|---|---|---|
C1 | 0.0000 | 0.0000 | 0.7690 |
H2 | -0.9000 | 0.0000 | 1.3749 |
H3 | 0.9000 | 0.0000 | 1.3749 |
Cl4 | 0.0000 | 1.4666 | -0.2166 |
Cl5 | 0.0000 | -1.4666 | -0.2166 |
C1 | H2 | H3 | Cl4 | Cl5 | |
---|---|---|---|---|---|
C1 | 1.0850 | 1.0850 | 1.7670 | 1.7670 | |
H2 | 1.0850 | 1.8001 | 2.3439 | 2.3439 | |
H3 | 1.0850 | 1.8001 | 2.3439 | 2.3439 | |
Cl4 | 1.7670 | 2.3439 | 2.3439 | 2.9333 | |
Cl5 | 1.7670 | 2.3439 | 2.3439 | 2.9333 |
Experimental Bond Angles (degrees) from cartesians
atom1 | atom2 | atom3 | angle | atom1 | atom2 | atom3 | angle | |
---|---|---|---|---|---|---|---|---|
H2 | C1 | H3 | 112.100 | H2 | C1 | Cl4 | 108.149 | |
H2 | C1 | Cl5 | 108.149 | H3 | C1 | Cl4 | 108.149 | |
H3 | C1 | Cl5 | 108.149 | Cl4 | C1 | Cl5 | 112.200 |
Bond descriptions
Bond Type | Count |
---|---|
C-Cl | 2 |
H-C | 2 |
Atom 1 | Atom 2 |
---|---|
C1 | H2 |
C1 | H3 |
C1 | Cl4 |
C1 | Cl5 |
Energy (cm-1) | Degeneracy | reference | description |
---|---|---|---|
0 | 1 | 1A1 |
Ionization Energy | I.E. unc. | vertical I.E. | v.I.E. unc. | reference |
---|---|---|---|---|
11.330 | 0.040 | 11.400 | webbook |
State | Config | State description | Conf description | Exp. min. | Dipole (Debye) | Reference | comment | Point Group | Components | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
x | y | z | total | dipole | quadrupole | ||||||||
1 | 1 | 1A1 | C2v | True | 1.620 | 1952Mye/Gwi:1420-1427 | MW μ0 ±0.02 D | C2v | 1 | 2 |
State | Config | State description | Conf description | Exp. min. | Quadrupole (D Å) | Reference | comment | Point Group | Components | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|
xx | yy | zz | dipole | quadrupole | ||||||||
1 | 1 | 1A1 | C2v | True | C2v | 1 | 2 |
alpha | unc. | Reference |
---|---|---|
6.659 | 1998Gus/Rui:163 |
squib | reference | DOI |
---|---|---|
1952Mye/Gwi:1420-1427 | RJ Myers, WD Gwinn "The Microwave Spectra, Structure, Dipole Moment, and Chlorine Nuclear Quadrupole Coupling Constants of Methylene Chloride" J. Chem. Phys. 20, 1420 (1952) | 10.1063/1.1700773 |
1989Tul/Niv:355 | Tullini, F.; Nivellini, G.D.; Carlotti, M. "The Far-Infrared Spectrum of Methylene Chloride." Journal of Molecular Spectroscopy. 138, 355-374 (1989) | 10.1016/0022-2852(89)90004-0 |
1998Gus/Rui:163 | M Gussoni, R Rui, G Zerbi "Electronic and relaxation contribution to linear molecular polarizability. An analysis of the experimental values" J. Mol. Struct. 447 (1998) 163-215 | 10.1016/S0022-2860(97)00292-5 |
1998Kuc | K Kuchitsu(ed) "Structure of Free Polyatomic Molecules - Basic Data" Springer, Berlin, 1998 | 10.1007/978-3-642-45748-7 |
Gurvich | Gurvich, L.V.; Veyts, I. V.; Alcock, C. B., Thermodynamic Properties of Individual Substances, Fouth Edition, Hemisphere Pub. Co., New York, 1989 | |
Shim | Shimanouchi, T. , Tables of Molecular Vibrational Frequencies, Consolidated Volu | 10.6028/NBS.NSRDS.39 |
webbook | NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) | 10.18434/T4D303 |
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