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

using model chemistry: CCSD(T)/6-311G*

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)/6-311G*
 hartrees
Energy at 0K-1915.839003
Energy at 298.15K 
HF Energy-1914.913396
Nuclear repulsion energy531.381140
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)/6-311G*
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' 3102 2986        
2 A' 1480 1425        
3 A' 1372 1321        
4 A' 1101 1059        
5 A' 851 820        
6 A' 776 747        
7 A' 561 540        
8 A' 392 377        
9 A' 319 307        
10 A' 252 242        
11 A' 160 154        
12 A" 3171 3052        
13 A" 1281 1233        
14 A" 1012 974        
15 A" 753 725        
16 A" 346 333        
17 A" 257 247        
18 A" 121 117        

Unscaled Zero Point Vibrational Energy (zpe) 8651.8 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 8328.2 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)/6-311G*
ABC
0.06136 0.03626 0.03431

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.277 0.282 0.000
C2 -1.252 0.370 0.000
Cl3 -2.061 -1.215 0.000
Cl4 0.863 1.976 0.000
Cl5 0.863 -0.549 1.459
Cl6 0.863 -0.549 -1.459
H7 -1.565 0.912 0.896
H8 -1.565 0.912 -0.896

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 H7 H8
C11.53222.77651.79301.77871.77872.14352.1435
C21.53221.77992.65592.72962.72961.09231.0923
Cl32.77651.77994.32863.33543.33542.36022.3602
Cl41.79302.65594.32862.91702.91702.79892.7989
Cl51.77872.72963.33542.91702.91892.88953.6849
Cl61.77872.72963.33542.91702.91893.68492.8895
H72.14351.09232.36022.79892.88953.68491.7915
H82.14351.09232.36022.79893.68492.88951.7915

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 113.713 C1 C2 H7 108.350
C1 C2 H8 108.350 C2 C1 Cl4 105.753
C2 C1 Cl5 110.844 C2 C1 Cl6 110.844
Cl3 C2 H7 108.120 Cl3 C2 H8 108.120
Cl4 C1 Cl5 109.511 Cl4 C1 Cl6 109.511
Cl5 C1 Cl6 110.272 H7 C2 H8 110.173
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability