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

using model chemistry: HF/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-1456.064238
Energy at 298.15K-1456.068354
Nuclear repulsion energy340.774049
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/aug-cc-pVTZ
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 3331 3033 1.54      
2 A 3316 3019 0.95      
3 A 3257 2965 7.65      
4 A 1603 1459 6.13      
5 A 1470 1338 7.65      
6 A 1412 1286 23.23      
7 A 1351 1230 27.80      
8 A 1284 1169 3.63      
9 A 1144 1041 2.29      
10 A 1027 935 26.91      
11 A 854 778 28.28      
12 A 794 723 137.24      
13 A 727 662 30.90      
14 A 415 378 7.31      
15 A 358 325 1.24      
16 A 274 250 1.17      
17 A 195 178 4.11      
18 A 114 103 3.74      

Unscaled Zero Point Vibrational Energy (zpe) 11462.2 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 10435.2 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/aug-cc-pVTZ
ABC
0.11767 0.04884 0.03572

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.676 -0.819 0.407
C2 -0.407 -0.081 -0.354
Cl3 2.301 -0.285 -0.096
H4 0.582 -0.652 1.466
H5 0.608 -1.870 0.191
Cl6 -1.966 -0.875 -0.017
Cl7 -0.485 1.634 0.080
H8 -0.253 -0.133 -1.414

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.51541.78331.07581.07602.67642.73312.1565
C21.51542.72882.14892.12811.78141.77131.0725
Cl31.78332.72882.35122.33704.30893.38832.8787
H41.07582.14892.35121.76392.95712.87833.0434
H51.07602.12812.33701.76392.76793.67272.5173
Cl62.67641.78144.30892.95712.76792.91532.3320
Cl72.73311.77133.38832.87833.67272.91532.3258
H82.15651.07252.87873.04342.51732.33202.3258

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 108.279 C1 C2 Cl7 112.287
C1 C2 H8 111.738 C2 C1 Cl3 111.374
C2 C1 H4 110.915 C2 C1 H5 109.243
Cl3 C1 H4 108.079 Cl3 C1 H5 107.029
H4 C1 H5 110.121 Cl6 C2 Cl7 110.285
Cl6 C2 H8 106.958 Cl7 C2 H8 107.168
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.262      
2 C 0.238      
3 Cl -0.296      
4 H 0.327      
5 H 0.314      
6 Cl -0.322      
7 Cl -0.292      
8 H 0.293      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.082 -1.358 -0.100 1.364
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.362 -0.233 0.565
y -0.233 -50.600 -0.438
z 0.565 -0.438 -48.802
Traceless
 xyz
x -6.661 -0.233 0.565
y -0.233 1.982 -0.438
z 0.565 -0.438 4.679
Polar
3z2-r29.359
x2-y2-5.762
xy-0.233
xz0.565
yz-0.438


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.414 0.679 -0.269
y 0.679 9.804 0.001
z -0.269 0.001 7.655


<r2> (average value of r2) Å2
<r2> 270.706
(<r2>)1/2 16.453