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

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-1909.420518
Energy at 298.15K 
HF Energy-1909.420518
Nuclear repulsion energy530.788455
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 mPW1PW91/3-21G*
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' 3141 2983 3.48 81.40 0.08 0.14
2 A' 1515 1438 13.95 11.60 0.75 0.86
3 A' 1358 1290 3.84 3.98 0.72 0.83
4 A' 1046 994 12.69 2.90 0.17 0.29
5 A' 804 763 29.17 22.82 0.43 0.60
6 A' 742 705 144.88 0.29 0.35 0.52
7 A' 551 523 22.53 10.14 0.09 0.17
8 A' 383 364 2.27 12.10 0.17 0.30
9 A' 312 296 1.11 4.83 0.75 0.86
10 A' 244 232 0.10 3.65 0.71 0.83
11 A' 156 148 0.82 0.68 0.67 0.80
12 A" 3212 3050 1.34 57.20 0.75 0.86
13 A" 1293 1228 10.49 7.13 0.75 0.86
14 A" 992 942 55.05 2.34 0.75 0.86
15 A" 700 665 110.82 5.82 0.75 0.86
16 A" 344 327 1.05 2.78 0.75 0.86
17 A" 249 236 0.93 2.75 0.75 0.86
18 A" 110 105 1.38 1.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8576.4 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 8144.2 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 mPW1PW91/3-21G*
ABC
0.06141 0.03630 0.03423

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.265 0.289 0.000
C2 -1.265 0.368 0.000
Cl3 -2.034 -1.243 0.000
Cl4 0.858 1.991 0.000
Cl5 0.858 -0.543 1.463
Cl6 0.858 -0.543 -1.463
H7 -1.585 0.902 0.896
H8 -1.585 0.902 -0.896

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 H7 H8
C11.53222.76221.80241.78461.78462.14412.1441
C21.53221.78462.67252.73462.73461.09021.0902
Cl32.76221.78464.33813.31513.31512.36672.3667
Cl41.80242.67254.33812.92652.92652.82042.8204
Cl51.78462.73463.31512.92652.92582.89393.6899
Cl61.78462.73463.31512.92652.92583.68992.8939
H72.14411.09022.36672.82042.89393.68991.7910
H82.14411.09022.36672.82043.68992.89391.7910

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 112.554 C1 C2 H7 108.521
C1 C2 H8 108.521 C2 C1 Cl4 106.256
C2 C1 Cl5 110.845 C2 C1 Cl6 110.845
Cl3 C2 H7 108.395 Cl3 C2 H8 108.395
Cl4 C1 Cl5 109.344 Cl4 C1 Cl6 109.344
Cl5 C1 Cl6 110.116 H7 C2 H8 110.459
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.448      
2 C -0.520      
3 Cl 0.021      
4 Cl 0.091      
5 Cl 0.113      
6 Cl 0.113      
7 H 0.315      
8 H 0.315      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.937 1.375 0.000 1.664
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.451 -3.046 0.000
y -3.046 -62.781 0.000
z 0.000 0.000 -62.097
Traceless
 xyz
x -1.013 -3.046 0.000
y -3.046 -0.007 0.000
z 0.000 0.000 1.019
Polar
3z2-r22.039
x2-y2-0.670
xy-3.046
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.612 1.246 0.000
y 1.246 9.775 0.000
z 0.000 0.000 8.286


<r2> (average value of r2) Å2
<r2> 343.100
(<r2>)1/2 18.523