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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-1458.615515
Energy at 298.15K-1458.619426
Nuclear repulsion energy340.013854
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 mPW1PW91/6-31+G**
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 3210 3055 0.05      
2 A 3183 3030 1.02      
3 A 3135 2984 4.42      
4 A 1476 1405 8.61      
5 A 1356 1291 7.16      
6 A 1311 1248 18.63      
7 A 1255 1194 19.82      
8 A 1198 1140 3.98      
9 A 1084 1032 3.66      
10 A 957 911 31.59      
11 A 802 764 17.67      
12 A 754 718 138.38      
13 A 685 652 32.92      
14 A 393 374 7.63      
15 A 339 322 1.36      
16 A 259 247 1.43      
17 A 181 172 4.35      
18 A 111 106 3.61      

Unscaled Zero Point Vibrational Energy (zpe) 10844.0 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 10321.3 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 mPW1PW91/6-31+G**
ABC
0.11682 0.04886 0.03563

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.662 -0.837 0.389
C2 -0.415 -0.076 -0.360
Cl3 2.295 -0.303 -0.090
H4 0.555 -0.695 1.464
H5 0.581 -1.896 0.147
Cl6 -1.984 -0.860 -0.012
Cl7 -0.450 1.645 0.081
H8 -0.266 -0.125 -1.437

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.51701.78341.08961.08972.67602.73682.1687
C21.51702.73282.15692.13641.78801.77641.0883
Cl31.78342.73282.36542.35254.31533.36992.8995
H41.08962.15692.36541.78252.94092.89773.0685
H51.08972.13642.35251.78252.77053.68862.5228
Cl62.67601.78804.31532.94092.77052.93822.3495
Cl72.73681.77643.36992.89773.68862.93822.3393
H82.16871.08832.89953.06852.52282.34952.3393

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 107.851 C1 C2 Cl7 112.169
C1 C2 H8 111.644 C2 C1 Cl3 111.540
C2 C1 H4 110.615 C2 C1 H5 108.984
Cl3 C1 H4 108.417 Cl3 C1 H5 107.462
H4 C1 H5 109.762 Cl6 C2 Cl7 111.038
Cl6 C2 H8 107.016 Cl7 C2 H8 107.030
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.589      
2 C -0.261      
3 Cl 0.053      
4 H 0.250      
5 H 0.239      
6 Cl 0.006      
7 Cl 0.025      
8 H 0.276      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.074 -1.383 -0.151 1.393
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -55.884 -0.165 0.518
y -0.165 -50.256 -0.412
z 0.518 -0.412 -48.665
Traceless
 xyz
x -6.424 -0.165 0.518
y -0.165 2.019 -0.412
z 0.518 -0.412 4.405
Polar
3z2-r28.809
x2-y2-5.628
xy-0.165
xz0.518
yz-0.412


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.610 0.834 -0.334
y 0.834 8.888 0.007
z -0.334 0.007 6.538


<r2> (average value of r2) Å2
<r2> 271.082
(<r2>)1/2 16.465