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

using model chemistry: CCSD/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-1915.927630
Energy at 298.15K 
HF Energy-1914.827507
Nuclear repulsion energy533.810155
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/6-31G(2df,p)
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' 3152 2981 4.17      
2 A' 1492 1411 5.27      
3 A' 1343 1270 10.68      
4 A' 1112 1051 9.77      
5 A' 870 823 49.22      
6 A' 797 753 94.55      
7 A' 570 539 15.75      
8 A' 394 372 1.63      
9 A' 316 299 0.91      
10 A' 247 234 0.05      
11 A' 157 148 0.51      
12 A" 3225 3049 0.29      
13 A" 1253 1185 11.09      
14 A" 1002 947 50.46      
15 A" 772 730 68.77      
16 A" 341 322 0.74      
17 A" 250 237 0.97      
18 A" 116 109 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 8704.1 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 8229.8 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/6-31G(2df,p)
ABC
0.06215 0.03657 0.03460

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.269 0.284 0.000
C2 -1.260 0.369 0.000
Cl3 -2.046 -1.220 0.000
Cl4 0.860 1.966 0.000
Cl5 0.860 -0.542 1.450
Cl6 0.860 -0.542 -1.450
H7 -1.574 0.906 0.893
H8 -1.574 0.906 -0.893

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 H7 H8
C11.53062.76071.78321.77091.77092.14002.1400
C21.53061.77352.65442.72552.72551.08831.0883
Cl32.76071.77354.31313.31853.31852.35422.3542
Cl41.78322.65444.31312.89722.89722.80152.8015
Cl51.77092.72553.31852.89722.90092.88703.6762
Cl61.77092.72553.31852.89722.90093.67622.8870
H72.14001.08832.35422.80152.88703.67621.7856
H82.14001.08832.35422.80153.67622.88701.7856

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 113.141 C1 C2 H7 108.418
C1 C2 H8 108.418 C2 C1 Cl4 106.203
C2 C1 Cl5 111.073 C2 C1 Cl6 111.073
Cl3 C2 H7 108.310 Cl3 C2 H8 108.310
Cl4 C1 Cl5 109.208 Cl4 C1 Cl6 109.208
Cl5 C1 Cl6 109.977 H7 C2 H8 110.236
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability