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

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-1909.547314
Energy at 298.15K 
HF Energy-1909.547314
Nuclear repulsion energy532.383032
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 B1B95/3-21G
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' 3143 3007 3.41 81.52 0.08 0.14
2 A' 1511 1446 13.63 11.67 0.75 0.86
3 A' 1350 1292 3.93 3.94 0.72 0.84
4 A' 1048 1002 12.07 2.83 0.18 0.31
5 A' 801 766 26.60 22.25 0.43 0.60
6 A' 743 711 148.63 0.37 0.53 0.69
7 A' 551 527 22.82 10.21 0.09 0.17
8 A' 382 365 2.24 11.99 0.18 0.30
9 A' 310 296 1.18 4.68 0.75 0.86
10 A' 242 231 0.13 3.59 0.72 0.83
11 A' 154 147 0.83 0.65 0.68 0.81
12 A" 3214 3075 1.21 57.13 0.75 0.86
13 A" 1284 1228 10.36 7.24 0.75 0.86
14 A" 989 946 52.96 2.32 0.75 0.86
15 A" 697 666 112.87 5.95 0.75 0.86
16 A" 341 327 0.82 2.69 0.75 0.86
17 A" 246 236 0.93 2.75 0.75 0.86
18 A" 112 107 1.36 1.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8558.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 8187.8 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 B1B95/3-21G
ABC
0.06182 0.03660 0.03445

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.262 0.293 0.000
C2 -1.265 0.368 0.000
Cl3 -2.012 -1.250 0.000
Cl4 0.851 1.992 0.000
Cl5 0.851 -0.540 1.460
Cl6 0.851 -0.540 -1.460
H7 -1.586 0.898 0.895
H8 -1.586 0.898 -0.895

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 H7 H8
C11.52962.74821.79801.78101.78102.14102.1410
C21.52961.78182.66762.72652.72651.08861.0886
Cl32.74821.78184.32503.29093.29092.36582.3658
Cl41.79802.66764.32502.92272.92272.81712.8171
Cl51.78102.72653.29092.92272.92022.88543.6814
Cl61.78102.72653.29092.92272.92023.68142.8854
H72.14101.08862.36582.81712.88543.68141.7899
H82.14101.08862.36582.81713.68142.88541.7899

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 111.961 C1 C2 H7 108.546
C1 C2 H8 108.546 C2 C1 Cl4 106.302
C2 C1 Cl5 110.662 C2 C1 Cl6 110.662
Cl3 C2 H7 108.603 Cl3 C2 H8 108.603
Cl4 C1 Cl5 109.499 Cl4 C1 Cl6 109.499
Cl5 C1 Cl6 110.136 H7 C2 H8 110.591
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.447      
2 C -0.506      
3 Cl 0.019      
4 Cl 0.091      
5 Cl 0.112      
6 Cl 0.112      
7 H 0.309      
8 H 0.309      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.939 1.372 0.000 1.662
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.207 -3.025 0.000
y -3.025 -62.577 0.000
z 0.000 0.000 -61.911
Traceless
 xyz
x -0.963 -3.025 0.000
y -3.025 -0.018 0.000
z 0.000 0.000 0.981
Polar
3z2-r21.962
x2-y2-0.630
xy-3.025
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.571 1.223 0.000
y 1.223 9.774 0.000
z 0.000 0.000 8.272


<r2> (average value of r2) Å2
<r2> 340.803
(<r2>)1/2 18.461