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: B3LYPultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/6-31+G**
 hartrees
Energy at 0K-1918.192546
Energy at 298.15K 
HF Energy-1918.192546
Nuclear repulsion energy526.991793
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 B3LYPultrafine/6-31+G**
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' 3116 2999 4.77 91.82 0.05 0.10
2 A' 1466 1411 6.46 6.92 0.75 0.86
3 A' 1328 1278 13.59 4.94 0.47 0.64
4 A' 1053 1014 13.86 4.03 0.16 0.28
5 A' 795 765 34.58 25.96 0.42 0.59
6 A' 723 696 161.84 0.99 0.29 0.45
7 A' 542 521 24.20 12.77 0.07 0.13
8 A' 376 362 2.63 12.33 0.15 0.26
9 A' 306 295 1.11 4.75 0.72 0.84
10 A' 239 230 0.03 2.83 0.63 0.77
11 A' 151 145 0.67 0.72 0.61 0.76
12 A" 3186 3068 0.26 53.59 0.75 0.86
13 A" 1237 1191 12.23 3.79 0.75 0.86
14 A" 975 939 54.93 1.36 0.75 0.86
15 A" 693 667 114.53 6.31 0.75 0.86
16 A" 336 323 1.82 2.70 0.75 0.86
17 A" 242 233 0.74 1.94 0.75 0.86
18 A" 108 104 1.16 1.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8434.7 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 8120.1 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 B3LYPultrafine/6-31+G**
ABC
0.06032 0.03555 0.03374

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.274 0.279 0.000
C2 -1.258 0.376 0.000
Cl3 -2.094 -1.213 0.000
Cl4 0.875 1.988 0.000
Cl5 0.875 -0.557 1.469
Cl6 0.875 -0.557 -1.469
H7 -1.571 0.916 0.893
H8 -1.571 0.916 -0.893

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 H7 H8
C11.53492.79881.81181.79381.79382.14672.1467
C21.53491.79512.67412.75292.75291.08981.0898
Cl32.79881.79514.36623.37723.37722.36662.3666
Cl41.81182.67414.36622.93852.93852.81692.8169
Cl51.79382.75293.37722.93852.93712.91303.7060
Cl61.79382.75293.37722.93852.93713.70602.9130
H72.14671.08982.36662.81692.91303.70601.7869
H82.14671.08982.36662.81693.70602.91301.7869

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 114.156 C1 C2 H7 108.550
C1 C2 H8 108.550 C2 C1 Cl4 105.776
C2 C1 Cl5 111.347 C2 C1 Cl6 111.347
Cl3 C2 H7 107.714 Cl3 C2 H8 107.714
Cl4 C1 Cl5 109.174 Cl4 C1 Cl6 109.174
Cl5 C1 Cl6 109.906 H7 C2 H8 110.131
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.154      
2 C -0.512      
3 Cl 0.049      
4 Cl 0.053      
5 Cl 0.053      
6 Cl 0.053      
7 H 0.229      
8 H 0.229      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.788 1.324 0.000 1.541
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -64.124 -3.019 0.000
y -3.019 -63.133 0.000
z 0.000 0.000 -62.512
Traceless
 xyz
x -1.302 -3.019 0.000
y -3.019 0.185 0.000
z 0.000 0.000 1.117
Polar
3z2-r22.234
x2-y2-0.991
xy-3.019
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.250 1.269 0.000
y 1.269 11.759 0.000
z 0.000 0.000 10.506


<r2> (average value of r2) Å2
<r2> 348.693
(<r2>)1/2 18.673