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All results from a given calculation for CH2ClCHCl2 (1,1,2-trichloroethane)

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-1440.290051
Energy at 298.15K-1440.293969
Nuclear repulsion energy335.020534
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 HF/STO-3G
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 3744 3057 7.27      
2 A 3655 2984 4.92      
3 A 3617 2954 5.02      
4 A 1743 1423 1.64      
5 A 1577 1288 4.33      
6 A 1498 1223 36.60      
7 A 1422 1161 34.56      
8 A 1356 1107 4.32      
9 A 1236 1009 4.20      
10 A 1104 901 32.31      
11 A 998 815 17.36      
12 A 953 778 68.87      
13 A 808 660 23.52      
14 A 415 339 10.72      
15 A 371 303 2.77      
16 A 271 221 4.48      
17 A 188 153 6.49      
18 A 96 79 6.32      

Unscaled Zero Point Vibrational Energy (zpe) 12525.5 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 10227.1 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 HF/STO-3G
ABC
0.11396 0.04734 0.03462

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.677 -0.858 0.410
C2 -0.422 -0.086 -0.364
Cl3 2.323 -0.312 -0.097
H4 0.575 -0.698 1.484
H5 0.593 -1.923 0.187
Cl6 -2.027 -0.858 -0.016
Cl7 -0.440 1.667 0.083
H8 -0.260 -0.147 -1.446

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.55061.80691.09081.09142.73722.78032.1976
C21.55062.76722.18792.16991.81491.80901.0954
Cl31.80692.76722.38862.38124.38483.40342.9184
H41.09082.18792.38861.78473.00762.93013.0965
H51.09142.16992.38121.78472.83493.73692.5590
Cl62.73721.81494.38483.00762.83492.98382.3824
Cl72.78031.80903.40342.93013.73692.98382.3790
H82.19761.09542.91843.09652.55902.38242.3790

picture of 1,1,2-trichloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 108.591 C1 C2 Cl7 111.466
C1 C2 H8 111.141 C2 C1 Cl3 110.787
C2 C1 H4 110.645 C2 C1 H5 109.200
Cl3 C1 H4 108.497 Cl3 C1 H5 107.927
H4 C1 H5 109.737 Cl6 C2 Cl7 110.846
Cl6 C2 H8 107.293 Cl7 C2 H8 107.431
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.055      
2 C 0.050      
3 Cl -0.142      
4 H 0.123      
5 H 0.120      
6 Cl -0.122      
7 Cl -0.111      
8 H 0.137      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.009 -1.810 -0.204 1.821
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.060 -0.928 0.976
y -0.928 -48.521 -0.569
z 0.976 -0.569 -45.042
Traceless
 xyz
x -9.279 -0.928 0.976
y -0.928 2.030 -0.569
z 0.976 -0.569 7.248
Polar
3z2-r214.497
x2-y2-7.539
xy-0.928
xz0.976
yz-0.569


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.816 1.027 -0.555
y 1.027 3.832 0.107
z -0.555 0.107 1.842


<r2> (average value of r2) Å2
<r2> 277.080
(<r2>)1/2 16.646