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

using model chemistry: TPSSh/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 TPSSh/3-21G*
 hartrees
Energy at 0K-1909.412386
Energy at 298.15K 
HF Energy-1909.412386
Nuclear repulsion energy527.135878
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 TPSSh/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' 3114 3008 2.96 87.23 0.08 0.14
2 A' 1509 1457 9.56 11.59 0.75 0.85
3 A' 1336 1290 6.27 4.68 0.70 0.82
4 A' 1014 979 13.39 3.56 0.19 0.32
5 A' 761 735 23.50 25.73 0.39 0.56
6 A' 703 679 170.36 0.44 0.74 0.85
7 A' 528 510 27.04 10.96 0.09 0.17
8 A' 367 354 2.93 14.27 0.17 0.29
9 A' 300 290 1.26 5.43 0.75 0.86
10 A' 235 226 0.07 3.97 0.71 0.83
11 A' 149 143 0.98 0.74 0.66 0.79
12 A" 3185 3076 0.48 61.28 0.75 0.86
13 A" 1270 1226 11.80 6.90 0.75 0.86
14 A" 976 943 50.36 2.54 0.75 0.86
15 A" 661 638 131.50 5.69 0.75 0.86
16 A" 331 319 1.12 3.04 0.75 0.86
17 A" 238 230 0.78 3.06 0.75 0.86
18 A" 107 103 1.36 1.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8391.0 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 8103.1 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 TPSSh/3-21G*
ABC
0.06053 0.03586 0.03378

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.264 0.290 0.000
C2 -1.273 0.375 0.000
Cl3 -2.038 -1.257 0.000
Cl4 0.861 2.010 0.000
Cl5 0.861 -0.547 1.475
Cl6 0.861 -0.547 -1.475
H7 -1.595 0.902 0.900
H8 -1.595 0.902 -0.900

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 H7 H8
C11.53882.77341.82031.79801.79802.15382.1538
C21.53881.80262.68772.75272.75271.09141.0914
Cl32.77341.80264.36743.32893.32892.38022.3802
Cl41.82032.68774.36742.95192.95192.84072.8407
Cl51.79802.75273.32892.95192.94942.90873.7107
Cl61.79802.75273.32892.95192.94943.71072.9087
H72.15381.09142.38022.84072.90873.71071.8001
H82.15381.09142.38022.84073.71072.90871.8001

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 111.958 C1 C2 H7 108.755
C1 C2 H8 108.755 C2 C1 Cl4 105.983
C2 C1 Cl5 110.933 C2 C1 Cl6 110.933
Cl3 C2 H7 108.136 Cl3 C2 H8 108.136
Cl4 C1 Cl5 109.337 Cl4 C1 Cl6 109.337
Cl5 C1 Cl6 110.213 H7 C2 H8 111.119
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.426      
2 C -0.486      
3 Cl 0.009      
4 Cl 0.080      
5 Cl 0.107      
6 Cl 0.107      
7 H 0.305      
8 H 0.305      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.952 1.372 0.000 1.669
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.838 1.349 0.000
y 1.349 10.121 0.000
z 0.000 0.000 8.522


<r2> (average value of r2) Å2
<r2> 347.133
(<r2>)1/2 18.632