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All results from a given calculation for CH2ClCCl3 (1,1,1,2-tetrachloroethane)

using model chemistry: QCISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-31G*
 hartrees
Energy at 0K-1915.648233
Energy at 298.15K 
HF Energy-1914.798575
Nuclear repulsion energy532.272827
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at QCISD/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3143 2993 5.05      
2 A' 1515 1443 6.54      
3 A' 1382 1316 10.98      
4 A' 1119 1065 10.46      
5 A' 877 835 48.48      
6 A' 796 758 101.50      
7 A' 572 545 18.34      
8 A' 398 379 1.87      
9 A' 322 306 1.09      
10 A' 252 240 0.10      
11 A' 159 151 0.64      
12 A" 3211 3058 0.04      
13 A" 1282 1221 9.17      
14 A" 1027 978 56.71      
15 A" 773 736 78.52      
16 A" 347 331 0.57      
17 A" 257 244 1.08      
18 A" 118 112 1.30      

Unscaled Zero Point Vibrational Energy (zpe) 8773.7 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 8355.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at QCISD/6-31G*
ABC
0.06167 0.03633 0.03441

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.274 0.282 0.000
C2 -1.256 0.369 0.000
Cl3 -2.062 -1.213 0.000
Cl4 0.864 1.970 0.000
Cl5 0.864 -0.547 1.455
Cl6 0.864 -0.547 -1.455
H7 -1.568 0.913 0.893
H8 -1.568 0.913 -0.893

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 H7 H8
C11.53232.77341.78791.77531.77532.14252.1425
C21.53231.77532.65662.72932.72931.09201.0920
Cl32.77341.77534.32343.33513.33512.35882.3588
Cl41.78792.65664.32342.90672.90672.79812.7981
Cl51.77532.72933.33512.90672.90982.89193.6827
Cl61.77532.72933.33512.90672.90983.68272.8919
H72.14251.09202.35882.79812.89193.68271.7869
H82.14251.09202.35882.79813.68272.89191.7869

picture of 1,1,1,2-tetrachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl3 113.760 C1 C2 H7 108.284
C1 C2 H8 108.284 C2 C1 Cl4 106.026
C2 C1 Cl5 110.996 C2 C1 Cl6 110.996
Cl3 C2 H7 108.334 Cl3 C2 H8 108.334
Cl4 C1 Cl5 109.324 Cl4 C1 Cl6 109.324
Cl5 C1 Cl6 110.075 H7 C2 H8 109.809
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability