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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-1458.709904
Energy at 298.15K-1458.713834
Nuclear repulsion energy340.357750
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 mPW1PW91/6-311G**
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 3195 3057 0.40      
2 A 3173 3036 1.40      
3 A 3124 2989 5.78      
4 A 1468 1405 6.79      
5 A 1356 1298 6.77      
6 A 1309 1252 19.35      
7 A 1255 1201 20.96      
8 A 1198 1146 6.54      
9 A 1085 1038 3.57      
10 A 954 913 33.61      
11 A 798 763 18.23      
12 A 750 718 144.32      
13 A 683 653 36.66      
14 A 391 374 7.27      
15 A 339 325 1.21      
16 A 261 250 1.11      
17 A 181 174 4.33      
18 A 115 110 3.52      

Unscaled Zero Point Vibrational Energy (zpe) 10817.8 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 10349.4 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 mPW1PW91/6-311G**
ABC
0.11714 0.04894 0.03571

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.660 -0.835 0.391
C2 -0.413 -0.077 -0.360
Cl3 2.293 -0.304 -0.090
H4 0.556 -0.685 1.463
H5 0.582 -1.893 0.153
Cl6 -1.983 -0.858 -0.012
Cl7 -0.449 1.643 0.081
H8 -0.265 -0.127 -1.434

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.51281.78361.08751.08782.67302.73152.1652
C21.51282.72902.15222.13351.78681.77601.0857
Cl31.78362.72902.36172.34784.31203.36632.8948
H41.08752.15222.36171.78232.94092.88763.0628
H51.08782.13352.34781.78232.77103.68382.5216
Cl62.67301.78684.31202.94092.77102.93512.3467
Cl72.73151.77603.36632.88763.68382.93512.3366
H82.16521.08572.89483.06282.52162.34672.3366

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 107.921 C1 C2 Cl7 112.062
C1 C2 H8 111.815 C2 C1 Cl3 111.496
C2 C1 H4 110.655 C2 C1 H5 109.156
Cl3 C1 H4 108.232 Cl3 C1 H5 107.203
H4 C1 H5 110.033 Cl6 C2 Cl7 110.938
Cl6 C2 H8 107.019 Cl7 C2 H8 106.996
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.289      
2 C -0.345      
3 Cl -0.058      
4 H 0.221      
5 H 0.215      
6 Cl -0.011      
7 Cl 0.008      
8 H 0.259      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.064 -1.379 -0.137 1.387
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.207 -0.035 0.427
y -0.035 -50.551 -0.388
z 0.427 -0.388 -49.071
Traceless
 xyz
x -6.396 -0.035 0.427
y -0.035 2.088 -0.388
z 0.427 -0.388 4.307
Polar
3z2-r28.615
x2-y2-5.656
xy-0.035
xz0.427
yz-0.388


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.069 1.050 -0.424
y 1.050 8.111 -0.013
z -0.424 -0.013 5.205


<r2> (average value of r2) Å2
<r2> 270.814
(<r2>)1/2 16.456