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: PBEPBEultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-1917.464483
Energy at 298.15K 
HF Energy-1917.464483
Nuclear repulsion energy529.181946
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 PBEPBEultrafine/cc-pVTZ
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' 3024 3004 5.67 104.60 0.05 0.09
2 A' 1400 1390 6.64 5.78 0.75 0.86
3 A' 1247 1238 8.57 3.45 0.67 0.80
4 A' 1026 1019 16.04 3.02 0.16 0.27
5 A' 766 761 22.61 21.38 0.38 0.55
6 A' 706 701 163.90 0.59 0.74 0.85
7 A' 530 527 22.45 10.07 0.07 0.12
8 A' 364 362 2.74 10.99 0.13 0.23
9 A' 295 293 1.18 3.83 0.75 0.86
10 A' 229 228 0.01 3.06 0.71 0.83
11 A' 144 143 0.63 0.71 0.61 0.76
12 A" 3089 3068 0.02 55.29 0.75 0.86
13 A" 1174 1166 12.35 2.09 0.75 0.86
14 A" 927 920 48.26 1.28 0.75 0.86
15 A" 664 659 113.29 3.92 0.75 0.86
16 A" 321 319 1.77 2.73 0.75 0.86
17 A" 231 229 0.52 2.03 0.75 0.86
18 A" 103 102 0.88 1.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8119.3 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 8063.3 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 PBEPBEultrafine/cc-pVTZ
ABC
0.06081 0.03592 0.03408

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.269 0.279 0.000
C2 -1.257 0.376 0.000
Cl3 -2.075 -1.212 0.000
Cl4 0.870 1.983 0.000
Cl5 0.870 -0.555 1.463
Cl6 0.870 -0.555 -1.463
H7 -1.571 0.918 0.898
H8 -1.571 0.918 -0.898

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 H7 H8
C11.52952.77801.80621.78791.78792.14532.1453
C21.52951.78652.66542.74432.74431.09511.0951
Cl32.77801.78654.34463.35283.35282.36622.3662
Cl41.80622.66544.34462.92892.92892.81042.8104
Cl51.78792.74433.35282.92892.92602.90633.7019
Cl61.78792.74433.35282.92892.92603.70192.9063
H72.14531.09512.36622.81042.90633.70191.7969
H82.14531.09512.36622.81043.70192.90631.7969

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 113.582 C1 C2 H7 108.515
C1 C2 H8 108.515 C2 C1 Cl4 105.779
C2 C1 Cl5 111.400 C2 C1 Cl6 111.400
Cl3 C2 H7 107.986 Cl3 C2 H8 107.986
Cl4 C1 Cl5 109.158 Cl4 C1 Cl6 109.158
Cl5 C1 Cl6 109.829 H7 C2 H8 110.248
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.009      
2 C -0.096      
3 Cl -0.105      
4 Cl -0.046      
5 Cl -0.029      
6 Cl -0.029      
7 H 0.149      
8 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.700 1.191 0.000 1.381
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.892 -2.624 0.000
y -2.624 -61.906 0.000
z 0.000 0.000 -61.446
Traceless
 xyz
x -1.216 -2.624 0.000
y -2.624 0.263 0.000
z 0.000 0.000 0.953
Polar
3z2-r21.906
x2-y2-0.985
xy-2.624
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.379 1.347 0.000
y 1.347 11.898 0.000
z 0.000 0.000 10.383


<r2> (average value of r2) Å2
<r2> 345.030
(<r2>)1/2 18.575