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

using model chemistry: B3LYP/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-72.191819
Energy at 298.15K 
HF Energy-72.191819
Nuclear repulsion energy123.512620
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 B3LYP/CEP-121G*
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' 3098 3003 7.29 98.03 0.06 0.11
2 A' 1466 1421 4.94 7.21 0.75 0.85
3 A' 1321 1280 18.64 4.16 0.62 0.77
4 A' 1049 1017 14.48 3.87 0.15 0.26
5 A' 790 766 38.71 26.43 0.43 0.60
6 A' 723 701 166.45 0.67 0.03 0.06
7 A' 534 517 25.13 10.95 0.09 0.16
8 A' 368 356 2.61 12.72 0.15 0.26
9 A' 298 289 1.18 5.13 0.75 0.85
10 A' 233 225 0.02 3.81 0.70 0.82
11 A' 147 143 0.76 0.77 0.65 0.79
12 A" 3171 3074 0.50 58.93 0.75 0.86
13 A" 1231 1193 12.14 4.92 0.75 0.86
14 A" 969 939 56.32 1.62 0.75 0.86
15 A" 700 678 119.32 6.40 0.75 0.86
16 A" 326 316 1.50 3.20 0.75 0.86
17 A" 235 228 0.66 2.43 0.75 0.86
18 A" 107 104 1.09 1.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8382.2 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 8125.7 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 B3LYP/CEP-121G*
ABC
0.05954 0.03512 0.03332

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.275 0.280 0.000
C2 -1.267 0.381 0.000
Cl3 -2.104 -1.223 0.000
Cl4 0.880 2.002 0.000
Cl5 0.880 -0.560 1.479
Cl6 0.880 -0.560 -1.479
H7 -1.581 0.919 0.896
H8 -1.581 0.919 -0.896

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 H7 H8
C11.54522.81411.82491.80551.80552.15762.1576
C21.54521.80952.69022.77182.77181.09171.0917
Cl32.81411.80954.39383.39563.39562.38092.3809
Cl41.82492.69024.39382.95832.95832.83392.8339
Cl51.80552.77183.39562.95832.95782.92993.7265
Cl61.80552.77183.39562.95832.95783.72652.9299
H72.15761.09172.38092.83392.92993.72651.7927
H82.15761.09172.38092.83393.72652.92991.7927

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 113.803 C1 C2 H7 108.596
C1 C2 H8 108.596 C2 C1 Cl4 105.629
C2 C1 Cl5 111.397 C2 C1 Cl6 111.397
Cl3 C2 H7 107.722 Cl3 C2 H8 107.722
Cl4 C1 Cl5 109.149 Cl4 C1 Cl6 109.149
Cl5 C1 Cl6 109.992 H7 C2 H8 110.393
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.054      
2 C -0.363      
3 Cl -0.063      
4 Cl -0.009      
5 Cl 0.008      
6 Cl 0.008      
7 H 0.236      
8 H 0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.723 1.297 0.000 1.485
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -60.739 -2.850 0.000
y -2.850 -59.550 0.000
z 0.000 0.000 -59.009
Traceless
 xyz
x -1.460 -2.850 0.000
y -2.850 0.324 0.000
z 0.000 0.000 1.135
Polar
3z2-r22.271
x2-y2-1.189
xy-2.850
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.458 1.362 0.000
y 1.362 11.317 0.000
z 0.000 0.000 9.728


<r2> (average value of r2) Å2
<r2> 174.033
(<r2>)1/2 13.192