return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2ClCHCl2 (1,1,2-trichloroethane)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-1458.598065
Energy at 298.15K-1458.601797
HF Energy-1458.598065
Nuclear repulsion energy 
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 B97D3/6-31G*
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 3138 3076 2.03      
2 A 3113 3052 1.20      
3 A 3064 3004 6.82      
4 A 1466 1437 5.71      
5 A 1331 1305 9.15      
6 A 1288 1263 21.57      
7 A 1229 1205 23.11      
8 A 1174 1151 4.65      
9 A 1040 1020 3.56      
10 A 931 912 27.85      
11 A 736 721 12.43      
12 A 679 666 147.40      
13 A 632 619 67.38      
14 A 382 375 9.63      
15 A 320 314 1.88      
16 A 250 245 1.29      
17 A 178 174 4.30      
18 A 109 107 3.79      

Unscaled Zero Point Vibrational Energy (zpe) 10528.9 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 10322.6 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 B97D3/6-31G*
ABC
0.11376 0.04789 0.03486

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.659 -0.843 0.398
C2 -0.414 -0.073 -0.364
Cl3 2.317 -0.315 -0.091
H4 0.553 -0.691 1.476
H5 0.575 -1.908 0.158
Cl6 -2.008 -0.869 -0.013
Cl7 -0.446 1.668 0.082
H8 -0.268 -0.124 -1.446

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.52531.80701.09461.09522.69892.76192.1854
C21.52532.75562.16932.14921.81551.79731.0930
Cl31.80702.75562.38962.37404.36093.40552.9243
H41.09462.16932.38961.79492.96822.91723.0880
H51.09522.14922.37401.79492.78923.72002.5429
Cl62.69891.81554.36092.96822.78922.98072.3742
Cl72.76191.79733.40552.91723.72002.98072.3610
H82.18541.09302.92433.08802.54292.37422.3610

picture of 1,1,2-trichloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 107.462 C1 C2 Cl7 112.194
C1 C2 H8 112.109 C2 C1 Cl3 111.292
C2 C1 H4 110.714 C2 C1 H5 109.100
Cl3 C1 H4 108.371 Cl3 C1 H5 107.205
H4 C1 H5 110.094 Cl6 C2 Cl7 111.182
Cl6 C2 H8 106.788 Cl7 C2 H8 107.011
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.367      
2 C -0.315      
3 Cl -0.040      
4 H 0.233      
5 H 0.229      
6 Cl -0.010      
7 Cl 0.013      
8 H 0.257      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.060 -1.350 -0.151 1.360
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -55.121 -0.188 0.486
y -0.188 -49.480 -0.411
z 0.486 -0.411 -47.896
Traceless
 xyz
x -6.432 -0.188 0.486
y -0.188 2.029 -0.411
z 0.486 -0.411 4.404
Polar
3z2-r28.808
x2-y2-5.641
xy-0.188
xz0.486
yz-0.411


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.974 0.980 -0.397
y 0.980 7.978 0.045
z -0.397 0.045 5.197


<r2> (average value of r2) Å2
<r2> 275.834
(<r2>)1/2 16.608