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 CH2ClCCl3 (1,1,1,2-tetrachloroethane)

using model chemistry: PBE1PBE/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 PBE1PBE/6-311G*
 hartrees
Energy at 0K-1917.562879
Energy at 298.15K 
HF Energy-1917.562879
Nuclear repulsion energy533.295470
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 PBE1PBE/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' 3128 2998 6.53 90.74 0.07 0.13
2 A' 1466 1405 7.14 7.06 0.70 0.82
3 A' 1348 1292 11.97 3.00 0.72 0.83
4 A' 1090 1045 13.99 2.78 0.18 0.31
5 A' 831 797 43.50 22.80 0.46 0.63
6 A' 767 735 161.63 0.50 0.06 0.11
7 A' 562 539 22.69 8.27 0.11 0.20
8 A' 391 375 2.17 9.93 0.18 0.30
9 A' 316 303 1.12 4.59 0.75 0.86
10 A' 249 238 0.01 3.62 0.72 0.84
11 A' 156 149 0.73 0.72 0.68 0.81
12 A" 3197 3064 0.00 58.47 0.75 0.86
13 A" 1265 1212 10.45 3.78 0.75 0.86
14 A" 993 952 71.89 1.75 0.75 0.86
15 A" 731 701 114.68 5.29 0.75 0.86
16 A" 343 328 1.61 3.44 0.75 0.86
17 A" 253 242 0.51 2.30 0.75 0.86
18 A" 117 112 1.11 1.56 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8600.5 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 8243.6 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 PBE1PBE/6-311G*
ABC
0.06176 0.03648 0.03458

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.274 0.278 0.000
C2 -1.246 0.371 0.000
Cl3 -2.061 -1.203 0.000
Cl4 0.863 1.966 0.000
Cl5 0.863 -0.550 1.452
Cl6 0.863 -0.550 -1.452
H7 -1.560 0.912 0.891
H8 -1.560 0.912 -0.891

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 H7 H8
C11.52352.76561.78741.77241.77242.13572.1357
C21.52351.77192.64462.72102.72101.08891.0889
Cl32.76561.77194.31183.32913.32912.34882.3488
Cl41.78742.64464.31182.90522.90522.78872.7887
Cl51.77242.72103.32912.90522.90472.88473.6741
Cl61.77242.72103.32912.90522.90473.67412.8847
H72.13571.08892.34882.78872.88473.67411.7826
H82.13571.08892.34882.78873.67412.88471.7826

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 113.905 C1 C2 H7 108.532
C1 C2 H8 108.532 C2 C1 Cl4 105.748
C2 C1 Cl5 111.069 C2 C1 Cl6 111.069
Cl3 C2 H7 107.985 Cl3 C2 H8 107.985
Cl4 C1 Cl5 109.396 Cl4 C1 Cl6 109.396
Cl5 C1 Cl6 110.056 H7 C2 H8 109.866
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.392      
2 C -0.481      
3 Cl -0.012      
4 Cl 0.070      
5 Cl 0.090      
6 Cl 0.090      
7 H 0.318      
8 H 0.318      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.780 1.329 0.000 1.541
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -64.435 -2.921 0.000
y -2.921 -63.042 0.000
z 0.000 0.000 -62.534
Traceless
 xyz
x -1.647 -2.921 0.000
y -2.921 0.442 0.000
z 0.000 0.000 1.204
Polar
3z2-r22.409
x2-y2-1.393
xy-2.921
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.440 1.333 0.000
y 1.333 10.527 0.000
z 0.000 0.000 8.885


<r2> (average value of r2) Å2
<r2> 341.219
(<r2>)1/2 18.472