return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Experimental > One molecule all properties

Experimental data for CH3CHCl2 (Ethane, 1,1-dichloro-)

22 02 02 11 45
Other names
1,1-Dichloorethaan; 1,1-Dichloraethan; 1,1-Dichlorethane; 1,1-Dichloroethane; 1,1-Dicloroetano; Aethylidenchlorid; Assymmetrical Dichloroethane; Chlorinated hydrochloric ether; Chlorure D'ethylidene; Cloruro di etilidene; Dichloromethylmethane; Ethane, 1,1-dichloro-; Ethylidene chloride; Ethylidene dichloride; dichloroethane;
INChI INChIKey SMILES IUPAC name
InChI=1S/C2H4Cl2/c1-2(3)4/h2H,1H3 SCYULBFZEHDVBN-UHFFFAOYSA-N CC(Cl)Cl 1,1-Dichloroethane
State Conformation
1A' CS
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 -132.50 3.50 kJ mol-1 TRC
Hfg(0K) enthalpy of formation -119.80 3.50 kJ mol-1 TRC
Entropy (298.15K) entropy 305.17   J K-1 mol-1 TRC
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 15.44   kJ mol-1 TRC
Heat Capacity (298.15K) heat capacity 76.32   J K-1 mol-1 TRC
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
1 A' 3015   1972Dur/Slo:3591       CH stretch
2 A' 3001           CH3 a-str
3 A' 2946           CH3 s-stretch
4 A' 1438          
5 A' 1381          
6 A' 1280          
7 A' 1091          
8 A' 982          
9 A' 650           CCl2 s-str
10 A' 405           CCl2 wag
11 A' 276           CCl2 scissors
12 A" 2995           CH3 a-str
13 A" 1435          
14 A" 1220          
15 A" 1058          
16 A" 704           CCl2 a-str
17 A" 319           CCl2 twist
18 A" 274           CH3 torsion

vibrational zero-point energy: 12235.0 cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for CH3CHCl2 (Ethane, 1,1-dichloro-).
Gas-phase IR spectra can be found in the NIST Chemistry Webbook here.
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
0.21453 0.10728 0.07583 1997Sug/Kat:487

Calculated rotational constants for CH3CHCl2 (Ethane, 1,1-dichloro-).
Product of moments of inertia moments of inertia
2744903amu3Å6   1.2568833979716E-113gm3 cm6
Geometric Data
picture of Ethane, 1,1-dichloro-

Point Group Cs


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
rCH 1.090   1 3 1976Hellwege(II/7) !assumed
rCCl 1.766   1 4 1976Hellwege(II/7)
rCC 1.540   1 2 1976Hellwege(II/7)
aHCH 110.2 6 2 7 1976Hellwege(II/7) !assumed
aHCC 111.3 1 2 6 1976Hellwege(II/7) !assumed
aClCCl 112 4 1 5 1976Hellwege(II/7)
aCCCl 111 2 1 4 1976Hellwege(II/7)
dClCCH 118.4826 3 1 2 4 1976Hellwege(II/7) Cl to H on same C, from symmetry
dHCCH 120.1005 6 2 1 7 1976Hellwege(II/7) asymmetric Hs, from HF/6-31G*

These cartesians were determined using some assumed coordinate values. Cartesians
Atom x (Å) y (Å) z (Å)
C1 0.0000 0.5325 0.0000
C2 -1.4864 0.9353 0.0000
H3 0.6478 1.4091 0.0000
Cl4 0.4081 -0.3922 1.4482
Cl5 0.4081 -0.3922 -1.4482
H6 -2.1342 0.0587 0.0000
H7 -1.7353 1.5304 0.8786
H8 -1.7353 1.5304 -0.8786

Atom - Atom Distances bond lengths
Distances in Å
  C1 C2 H3 Cl4 Cl5 H6 H7 H8
C1   1.54001.09001.76601.76602.18612.18612.1861
C2 1.5400   2.18612.72922.72921.09001.09001.0900
H3 1.09002.1861   2.32362.32363.09242.54282.5428
Cl4 1.76602.72922.3236   2.89632.96032.93523.7020
Cl5 1.76602.72922.32362.8963   2.96033.70202.9352
H6 2.18611.09003.09242.96032.9603   1.75991.7599
H7 2.18611.09002.54282.93523.70201.7599   1.7572
H8 2.18611.09002.54283.70202.93521.75991.7572  

Calculated geometries for CH3CHCl2 (Ethane, 1,1-dichloro-).

Experimental Bond Angles (degrees) from cartesians bond angles

atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
C1 C2 H6 111.300 C1 C2 H7 111.300
C1 C2 H8 111.300 C2 C1 H3 111.300
C2 C1 Cl4 111.100 C2 C1 Cl5 111.100
H3 C1 Cl4 106.485 H3 C1 Cl5 106.485
Cl4 C1 Cl5 110.176 H6 C2 H7 107.661
H6 C2 H8 107.661 H7 C2 H8 107.423

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
H-C 4
C-C 1
C-Cl 2

Connectivity
Atom 1 Atom 2
C1 C2
C1 H3
C1 Cl4
C1 Cl5
C2 H6
C2 H7
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
11.040 0.020 11.230 0.020 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' Cs True       2.060 NSRDS-NBS10 DT Cs 2 3
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 CH3CHCl2 (Ethane, 1,1-dichloro-).
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' Cs True       Cs 2 3

Calculated electric quadrupole moments for CH3CHCl2 (Ethane, 1,1-dichloro-).
Electric dipole polarizability (Å3) polarizability
alpha unc. Reference
8.161   1998Gus/Rui:163

Calculated electric dipole polarizability for CH3CHCl2 (Ethane, 1,1-dichloro-).

References
By selecting the following links, you may be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to [email protected].
squib reference DOI
1972Dur/Slo:3591 JR Durig, AE SLoan, JD Witt "Vibrational Analysis and Barrier to Internal Rotation of 1,1-Dichloroethane and 1,1-Dichloroethane-d4" J. Phys. Chem.1972 76, 24, 3591-3597 10.1021/j100668a016
1976Hellwege(II/7) Hellwege, KH and AM Hellwege (ed.). Landolt-Bornstein: Group II: Atomic and Molecular Physics Volume 7: Structure Data of Free Polyatomic Molecules. Springer-Verlag. Berlin. 1976.  
1997Sug/Kat:487 M Sugie, M Kato, C Matsumura, H Takeo "Microwave spectra and molecular structures of 1,2-dichloroethane, 1,1-dichloroethane and 1,1,1-trichloroethane" J. Mol. Struct. 413, 487-494, 1997 10.1016/S0022-2860(97)00166-X
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
NSRDS-NBS10 R. D. Nelson Jr., D. R. Lide, A. A. Maryott "Selected Values of electric dipole moments for molecules in the gas phase" NSRDS-NBS10, 1967 10.6028/NBS.NSRDS.10
TRC Frenkel, M; Marsh, K.N.; Wilhoit, R.C.; Kabo, G.J.; Roganov, G.N.,Thermodynamics of Organic Compounds in the Gas State,Thermodynamics Research Center, College Station, TX, 1994  
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

Got a better number? Please email us at [email protected]


Browse
PreviousNext