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

using model chemistry: CCSD(T)/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 CCSD(T)/6-31G*
 hartrees
Energy at 0K-1915.673753
Energy at 298.15K 
HF Energy-1914.798372
Nuclear repulsion energy531.385232
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 CCSD(T)/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3124 3006        
2 A' 1504 1447        
3 A' 1369 1317        
4 A' 1106 1064        
5 A' 860 827        
6 A' 782 752        
7 A' 564 543        
8 A' 393 378        
9 A' 318 306        
10 A' 249 240        
11 A' 157 151        
12 A" 3193 3072        
13 A" 1270 1222        
14 A" 1016 977        
15 A" 757 729        
16 A" 343 330        
17 A" 253 243        
18 A" 116 111        

Unscaled Zero Point Vibrational Energy (zpe) 8686.4 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 8357.2 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 CCSD(T)/6-31G*
ABC
0.06146 0.03623 0.03430

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.274 0.283 0.000
C2 -1.257 0.369 0.000
Cl3 -2.062 -1.217 0.000
Cl4 0.865 1.975 0.000
Cl5 0.865 -0.548 1.458
Cl6 0.865 -0.548 -1.458
H7 -1.570 0.913 0.895
H8 -1.570 0.913 -0.895

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 H7 H8
C11.53342.77621.79231.77871.77872.14442.1444
C21.53341.77922.66082.73262.73261.09351.0935
Cl32.77621.77924.33083.33743.33742.36312.3631
Cl41.79232.66084.33082.91362.91362.80272.8027
Cl51.77872.73263.33742.91362.91562.89433.6876
Cl61.77872.73263.33742.91362.91563.68762.8943
H72.14441.09352.36312.80272.89433.68761.7909
H82.14441.09352.36312.80273.68762.89431.7909

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 113.667 C1 C2 H7 108.277
C1 C2 H8 108.277 C2 C1 Cl4 106.011
C2 C1 Cl5 110.970 C2 C1 Cl6 110.970
Cl3 C2 H7 108.322 Cl3 C2 H8 108.322
Cl4 C1 Cl5 109.352 Cl4 C1 Cl6 109.352
Cl5 C1 Cl6 110.086 H7 C2 H8 109.950
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability