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

using model chemistry: mPW1PW91/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 mPW1PW91/cc-pVTZ
 hartrees
Energy at 0K-1458.748997
Energy at 298.15K-1458.752891
Nuclear repulsion energy341.212787
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 mPW1PW91/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 3186 3056 0.31      
2 A 3164 3035 1.21      
3 A 3117 2989 5.52      
4 A 1470 1410 7.75      
5 A 1339 1284 6.04      
6 A 1290 1237 14.23      
7 A 1232 1181 16.21      
8 A 1183 1134 3.41      
9 A 1082 1037 4.32      
10 A 946 908 26.90      
11 A 795 763 14.24      
12 A 750 720 127.88      
13 A 682 655 30.90      
14 A 388 372 6.62      
15 A 335 322 1.19      
16 A 255 245 1.22      
17 A 179 171 3.81      
18 A 108 104 3.18      

Unscaled Zero Point Vibrational Energy (zpe) 10749.2 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 10310.7 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 mPW1PW91/cc-pVTZ
ABC
0.11780 0.04918 0.03590

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.659 -0.832 0.394
C2 -0.410 -0.078 -0.359
Cl3 2.287 -0.301 -0.091
H4 0.555 -0.677 1.464
H5 0.580 -1.891 0.164
Cl6 -1.977 -0.856 -0.013
Cl7 -0.450 1.637 0.081
H8 -0.261 -0.127 -1.432

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.50961.77961.08601.08632.66752.72502.1629
C21.50962.71922.14822.13041.78321.77151.0840
Cl31.77962.71922.35792.34614.30043.35842.8844
H41.08602.14822.35791.77862.93712.87773.0587
H51.08632.13042.34611.77862.76403.67622.5225
Cl62.66751.78324.30042.93712.76402.92522.3422
Cl72.72501.77153.35842.87773.67622.92522.3319
H82.16291.08402.88443.05872.52252.34222.3319

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 107.924 C1 C2 Cl7 112.061
C1 C2 H8 111.968 C2 C1 Cl3 111.264
C2 C1 H4 110.659 C2 C1 H5 109.222
Cl3 C1 H4 108.300 Cl3 C1 H5 107.413
H4 C1 H5 109.922 Cl6 C2 Cl7 110.754
Cl6 C2 H8 107.009 Cl7 C2 H8 107.030
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.088      
2 C -0.010      
3 Cl -0.137      
4 H 0.139      
5 H 0.136      
6 Cl -0.105      
7 Cl -0.087      
8 H 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.079 -1.274 -0.120 1.282
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -54.785 -0.124 0.435
y -0.124 -49.622 -0.367
z 0.435 -0.367 -48.181
Traceless
 xyz
x -5.883 -0.124 0.435
y -0.124 1.861 -0.367
z 0.435 -0.367 4.022
Polar
3z2-r28.045
x2-y2-5.163
xy-0.124
xz0.435
yz-0.367


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.825 0.829 -0.298
y 0.829 8.956 -0.031
z -0.298 -0.031 6.407


<r2> (average value of r2) Å2
<r2> 268.877
(<r2>)1/2 16.397