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

using model chemistry: QCISD/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 QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-1915.929116
Energy at 298.15K 
HF Energy-1914.827486
Nuclear repulsion energy533.598374
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/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' 3149 2984 4.22      
2 A' 1491 1413 5.20      
3 A' 1341 1270 10.79      
4 A' 1110 1051 9.95      
5 A' 867 821 49.64      
6 A' 794 752 96.70      
7 A' 569 539 15.92      
8 A' 393 372 1.63      
9 A' 315 299 0.91      
10 A' 247 234 0.05      
11 A' 157 148 0.52      
12 A" 3222 3052 0.23      
13 A" 1251 1185 11.16      
14 A" 1000 948 50.60      
15 A" 770 729 70.91      
16 A" 340 322 0.75      
17 A" 250 237 0.95      
18 A" 115 109 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 8689.1 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 8232.1 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/6-31G(2df,p)
ABC
0.06210 0.03655 0.03458

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.268 0.284 0.000
C2 -1.260 0.369 0.000
Cl3 -2.047 -1.221 0.000
Cl4 0.861 1.967 0.000
Cl5 0.861 -0.542 1.451
Cl6 0.861 -0.542 -1.451
H7 -1.575 0.906 0.893
H8 -1.575 0.906 -0.893

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 H7 H8
C11.53092.76141.78411.77171.77172.14072.1407
C21.53091.77422.65532.72652.72651.08861.0886
Cl32.76141.77424.31483.31953.31952.35492.3549
Cl41.78412.65534.31482.89862.89862.80272.8027
Cl51.77172.72653.31952.89862.90222.88813.6776
Cl61.77172.72653.31952.89862.90223.67762.8881
H72.14071.08862.35492.80272.88813.67761.7861
H82.14071.08862.35492.80273.67762.88811.7861

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 113.128 C1 C2 H7 108.432
C1 C2 H8 108.432 C2 C1 Cl4 106.199
C2 C1 Cl5 111.079 C2 C1 Cl6 111.079
Cl3 C2 H7 108.295 Cl3 C2 H8 108.295
Cl4 C1 Cl5 109.207 Cl4 C1 Cl6 109.207
Cl5 C1 Cl6 109.971 H7 C2 H8 110.253
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability