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Experimental data for CH2ClCHCl2 (1,1,2-trichloroethane)

22 02 02 11 45
Other names
1,1,2-Trichlorethane; ethane trichloride; Ethane, 1,1,2-trichloro-; Trichloroethane; 1,1,2-Trichloroethane; CHCl2CH2Cl; 1,2,2-Trichloroethane;
INChI INChIKey SMILES IUPAC name
InChI=1S/C2H3Cl3/c3-1-2(4)5/h2H,1H2 UBOXGVDOUJQMTN-UHFFFAOYSA-N ClCC(Cl)Cl 1,1,2-Trichloroethane
State Conformation
1A C1
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Hfg(298.15K) enthalpy of formation -148.00 4.00 kJ mol-1 2002Man:123
Hfg(0K) enthalpy of formation   4.00 kJ mol-1 2002Man:123
Entropy (298.15K) entropy     J K-1 mol-1  
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity     kJ mol-1  
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency Intensity Comment Description
Fundamental(cm-1) Harmonic(cm-1) Reference (km mol-1) unc. Reference

Calculated vibrational frequencies for CH2ClCHCl2 (1,1,2-trichloroethane).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment

Calculated rotational constants for CH2ClCHCl2 (1,1,2-trichloroethane).
Product of moments of inertia moments of inertia
amu3Å6   0gm3 cm6
Geometric Data
picture of 1,1,2-trichloroethane

Point Group C1


Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Description Value unc. Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4
rCC 1.580 0.010 1 2 1974Hui/Mul:23 !assumed
rCCl 1.776 0.001 1 3 1974Hui/Mul:23
aCCCl 106.4 0.9 1 2 6 1974Hui/Mul:23
aCCCl 107.9 1.3 2 1 3 1974Hui/Mul:23
aHCC 101 25 1 2 8 1974Hui/Mul:23
dClCCCl 75 1 3 1 2 6 1974Hui/Mul:23

These cartesians were determined using some assumed coordinate values. Cartesians
Atom x (Å) y (Å) z (Å)

Atom - Atom Distances bond lengths
Distances in Å
 

Calculated geometries for CH2ClCHCl2 (1,1,2-trichloroethane).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
C-C 1
C-Cl 3
H-C 3

Connectivity
Atom 1 Atom 2
C1 C2
C1 Cl3
C1 H4
C1 H5
C2 Cl6
C2 Cl7
C2 H8
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1A

Ionization Energies (eV)
Ionization Energy I.E. unc. vertical I.E. v.I.E. unc. reference
11.000   11.480   webbook
Dipole, Quadrupole and Polarizability
Electric dipole moment dipole
State Config State description Conf description Exp. min. Dipole (Debye) Reference comment Point Group Components
x y z total dipole quadrupole
1 1 1A C1 True       1.500 1971Vau:21   C1 3 5
1 2 1A' Cs False          
Experimental dipole measurement abbreviations: MW microwave; DT Dielectric with Temperature variation; DR Indirect (usually an upper limit); MB Molecular beam
Calculated electric dipole moments for CH2ClCHCl2 (1,1,2-trichloroethane).
Electric quadrupole moment quadrupole
State Config State description Conf description Exp. min. Quadrupole (D Å) Reference comment Point Group Components
xx yy zz dipole quadrupole
1 1 1A C1 True       C1 3 5
1 2 1A' Cs False      

Calculated electric quadrupole moments for CH2ClCHCl2 (1,1,2-trichloroethane).
Electric dipole polarizability (Å3) polarizability
alpha unc. Reference
10.260   1998Gus/Rui:163

Calculated electric dipole polarizability for CH2ClCHCl2 (1,1,2-trichloroethane).

References
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squib reference DOI
1971Vau:21 WE Vaughan, Digest of literature on dielectrics, v.33, 1969, 21  
1974Hui/Mul:23 P Huisman, FC Mijlhoff "An Electron Diffraction Study of the Structure of 1,1,2-Trichloroethane in the gas phase" J. Molecular Structure, 21 (1974) 23-27 10.1016/0022-2860(74)80026-8
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
2002Man:123 JA Manion "Evaluated Enthalpies of Formation of the Stable Closed Shell C1 and C2 Chlorinated Hydrocarbons" J. Phys. Chem. Ref. Data 31(1), 123-172, 2002 10.1063/1.1420703
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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