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

using model chemistry: QCISD/3-21G*

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/3-21G*
 hartrees
Energy at 0K-1906.831375
Energy at 298.15K 
HF Energy-1906.047566
Nuclear repulsion energy527.080126
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/3-21G*
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' 3108 2987 2.69      
2 A' 1535 1476 9.11      
3 A' 1372 1319 5.71      
4 A' 1031 990 8.32      
5 A' 815 784 34.07      
6 A' 735 706 91.72      
7 A' 542 521 18.19      
8 A' 377 363 1.50      
9 A' 309 297 0.98      
10 A' 244 234 0.13      
11 A' 156 150 0.71      
12 A" 3173 3049 0.20      
13 A" 1297 1247 7.98      
14 A" 1008 969 40.35      
15 A" 712 685 77.23      
16 A" 340 327 0.70      
17 A" 249 240 1.10      
18 A" 111 107 1.49      

Unscaled Zero Point Vibrational Energy (zpe) 8557.1 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 8224.2 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/3-21G*
ABC
0.06073 0.03571 0.03369

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.266 0.293 0.000
C2 -1.278 0.371 0.000
Cl3 -2.055 -1.255 0.000
Cl4 0.867 2.002 0.000
Cl5 0.867 -0.544 1.471
Cl6 0.867 -0.544 -1.471
H7 -1.598 0.903 0.899
H8 -1.598 0.903 -0.899

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 H7 H8
C11.54552.78881.81161.79561.79562.15782.1578
C21.54551.80122.69432.75652.75651.09311.0931
Cl32.78881.80124.37453.34693.34692.38192.3819
Cl41.81162.69434.37452.93982.93982.84432.8443
Cl51.79562.75653.34692.93982.94182.91513.7131
Cl61.79562.75653.34692.93982.94183.71312.9151
H72.15781.09312.38192.84432.91513.71311.7979
H82.15781.09312.38192.84433.71312.91511.7979

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 112.654 C1 C2 H7 108.507
C1 C2 H8 108.507 C2 C1 Cl4 106.483
C2 C1 Cl5 110.961 C2 C1 Cl6 110.961
Cl3 C2 H7 108.267 Cl3 C2 H8 108.267
Cl4 C1 Cl5 109.171 Cl4 C1 Cl6 109.171
Cl5 C1 Cl6 110.004 H7 C2 H8 110.650
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability