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

using model chemistry: HF/6-31G**

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/6-31G**
 hartrees
Energy at 0K-1455.923994
Energy at 298.15K-1455.928127
Nuclear repulsion energy340.520446
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/6-31G**
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 3359 3032 1.47      
2 A 3345 3019 1.07      
3 A 3282 2962 7.63      
4 A 1608 1452 5.78      
5 A 1485 1341 9.30      
6 A 1429 1290 25.49      
7 A 1371 1237 33.37      
8 A 1300 1173 4.48      
9 A 1151 1039 2.25      
10 A 1036 935 31.96      
11 A 870 785 29.88      
12 A 808 729 142.38      
13 A 737 665 34.26      
14 A 419 378 7.96      
15 A 363 328 1.36      
16 A 280 252 1.49      
17 A 197 178 4.89      
18 A 116 105 4.54      

Unscaled Zero Point Vibrational Energy (zpe) 11577.6 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 10450.0 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/6-31G**
ABC
0.11730 0.04880 0.03566

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.678 -0.820 0.405
C2 -0.411 -0.079 -0.354
Cl3 2.302 -0.287 -0.096
H4 0.582 -0.659 1.467
H5 0.606 -1.873 0.185
Cl6 -1.967 -0.877 -0.017
Cl7 -0.484 1.637 0.080
H8 -0.254 -0.132 -1.416

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.52011.78131.07811.07832.67902.73672.1583
C21.52012.73362.15322.13181.78091.77111.0753
Cl31.78132.73362.35362.33884.31073.39042.8815
H41.07812.15322.35361.76552.95712.88583.0475
H51.07832.13182.33881.76552.76703.67662.5169
Cl62.67901.78094.31072.95712.76702.92002.3341
Cl72.73671.77113.39042.88583.67662.92002.3283
H82.15831.07532.88153.04752.51692.33412.3283

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 108.246 C1 C2 Cl7 112.288
C1 C2 H8 111.372 C2 C1 Cl3 111.546
C2 C1 H4 110.790 C2 C1 H5 109.072
Cl3 C1 H4 108.268 Cl3 C1 H5 107.173
H4 C1 H5 109.919 Cl6 C2 Cl7 110.587
Cl6 C2 H8 107.006 Cl7 C2 H8 107.226
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.287      
2 C -0.285      
3 Cl -0.058      
4 H 0.206      
5 H 0.202      
6 Cl -0.017      
7 Cl 0.002      
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
  -0.066 -1.489 -0.129 1.496
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.067 -0.307 0.572
y -0.307 -50.783 -0.456
z 0.572 -0.456 -48.779
Traceless
 xyz
x -7.286 -0.307 0.572
y -0.307 2.140 -0.456
z 0.572 -0.456 5.146
Polar
3z2-r210.292
x2-y2-6.284
xy-0.307
xz0.572
yz-0.456


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.910 0.959 -0.480
y 0.959 7.406 0.054
z -0.480 0.054 4.993


<r2> (average value of r2) Å2
<r2> 271.257
(<r2>)1/2 16.470