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

using model chemistry: BLYP/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 BLYP/3-21G*
 hartrees
Energy at 0K-1909.292801
Energy at 298.15K 
HF Energy-1909.292801
Nuclear repulsion energy519.180698
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 BLYP/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' 3048 3029 3.12 88.30 0.07 0.14
2 A' 1474 1464 8.33 12.32 0.74 0.85
3 A' 1298 1289 7.75 5.87 0.65 0.79
4 A' 967 961 16.14 5.84 0.18 0.31
5 A' 717 712 22.12 28.32 0.35 0.52
6 A' 646 641 173.52 0.44 0.53 0.69
7 A' 500 497 32.75 11.04 0.10 0.18
8 A' 345 343 4.05 16.80 0.14 0.25
9 A' 287 285 1.50 6.48 0.74 0.85
10 A' 226 224 0.01 4.33 0.71 0.83
11 A' 144 143 0.97 0.91 0.63 0.77
12 A" 3115 3095 0.17 61.46 0.75 0.86
13 A" 1235 1227 11.73 6.37 0.75 0.86
14 A" 942 936 47.05 2.99 0.75 0.86
15 A" 608 604 141.88 4.79 0.75 0.86
16 A" 322 320 2.51 3.27 0.75 0.86
17 A" 229 227 0.49 3.35 0.75 0.86
18 A" 101 100 1.18 1.58 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8101.3 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 8048.7 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 BLYP/3-21G*
ABC
0.05863 0.03466 0.03274

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.266 0.286 0.000
C2 -1.279 0.381 0.000
Cl3 -2.093 -1.258 0.000
Cl4 0.880 2.035 0.000
Cl5 0.880 -0.559 1.495
Cl6 0.880 -0.559 -1.495
H7 -1.601 0.912 0.904
H8 -1.601 0.912 -0.904

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 H7 H8
C11.54832.81981.85321.82421.82422.16632.1663
C21.54831.82982.71992.78952.78951.09651.0965
Cl32.81981.82984.43653.40063.40062.40172.4017
Cl41.85322.71994.43652.99422.99422.86892.8689
Cl51.82422.78953.40062.99422.99082.94393.7514
Cl61.82422.78953.40062.99422.99083.75142.9439
H72.16631.09652.40172.86892.94393.75141.8078
H82.16631.09652.40172.86893.75142.94391.8078

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 112.915 C1 C2 H7 108.786
C1 C2 H8 108.786 C2 C1 Cl4 105.839
C2 C1 Cl5 111.355 C2 C1 Cl6 111.355
Cl3 C2 H7 107.667 Cl3 C2 H8 107.667
Cl4 C1 Cl5 109.017 Cl4 C1 Cl6 109.017
Cl5 C1 Cl6 110.122 H7 C2 H8 111.038
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.355      
2 C -0.428      
3 Cl -0.000      
4 Cl 0.058      
5 Cl 0.088      
6 Cl 0.088      
7 H 0.274      
8 H 0.274      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.913 1.297 0.000 1.586
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.467 -3.077 0.000
y -3.077 -62.904 0.000
z 0.000 0.000 -62.064
Traceless
 xyz
x -0.983 -3.077 0.000
y -3.077 -0.138 0.000
z 0.000 0.000 1.121
Polar
3z2-r22.243
x2-y2-0.563
xy-3.077
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.223 1.488 0.000
y 1.488 10.455 0.000
z 0.000 0.000 8.807


<r2> (average value of r2) Å2
<r2> 357.187
(<r2>)1/2 18.899