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

using model chemistry: QCISD/TZVP

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/TZVP
 hartrees
Energy at 0K-1915.835465
Energy at 298.15K 
HF Energy-1914.920780
Nuclear repulsion energy530.564415
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/TZVP
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' 3149 3008 5.26      
2 A' 1487 1420 3.77      
3 A' 1373 1312 16.43      
4 A' 1112 1062 10.50      
5 A' 863 825 50.09      
6 A' 780 745 97.33      
7 A' 564 539 17.43      
8 A' 390 373 1.65      
9 A' 316 302 1.00      
10 A' 247 236 0.05      
11 A' 158 151 0.60      
12 A" 3221 3077 0.08      
13 A" 1269 1212 10.17      
14 A" 1010 965 49.77      
15 A" 758 724 77.15      
16 A" 346 330 0.65      
17 A" 251 240 0.74      
18 A" 117 112 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 8704.6 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 8315.5 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/TZVP
ABC
0.06117 0.03614 0.03419

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.272 0.283 0.000
C2 -1.251 0.372 0.000
Cl3 -2.065 -1.218 0.000
Cl4 0.865 1.980 0.000
Cl5 0.865 -0.550 1.462
Cl6 0.865 -0.550 -1.462
H7 -1.564 0.907 0.892
H8 -1.564 0.907 -0.892

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 H7 H8
C11.52602.77781.79701.78401.78402.13422.1342
C21.52601.78642.65732.73212.73211.08591.0859
Cl32.77781.78644.33693.34163.34162.35872.3587
Cl41.79702.65734.33692.92182.92182.80042.8004
Cl51.78402.73213.34162.92182.92422.88863.6824
Cl61.78402.73213.34162.92182.92423.68242.8886
H72.13421.08592.35872.80042.88863.68241.7837
H82.13421.08592.35872.80043.68242.88861.7837

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 113.756 C1 C2 H7 108.415
C1 C2 H8 108.415 C2 C1 Cl4 105.907
C2 C1 Cl5 111.021 C2 C1 Cl6 111.021
Cl3 C2 H7 107.910 Cl3 C2 H8 107.910
Cl4 C1 Cl5 109.353 Cl4 C1 Cl6 109.353
Cl5 C1 Cl6 110.084 H7 C2 H8 110.432
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability