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

using model chemistry: mPW1PW91/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-1458.692820
Energy at 298.15K-1458.696708
Nuclear repulsion energy339.869127
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/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3204 3070 0.14      
2 A 3176 3044 1.31      
3 A 3124 2994 5.23      
4 A 1444 1384 8.17      
5 A 1324 1268 5.66      
6 A 1269 1216 14.94      
7 A 1213 1162 15.89      
8 A 1168 1119 4.02      
9 A 1086 1041 4.36      
10 A 937 898 25.53      
11 A 793 760 15.18      
12 A 751 719 129.85      
13 A 680 651 29.30      
14 A 389 372 6.64      
15 A 336 322 1.20      
16 A 256 245 1.15      
17 A 179 172 3.74      
18 A 106 102 3.12      

Unscaled Zero Point Vibrational Energy (zpe) 10716.6 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 10269.7 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/aug-cc-pVDZ
ABC
0.11717 0.04880 0.03565

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.660 -0.841 0.394
C2 -0.410 -0.081 -0.363
Cl3 2.295 -0.302 -0.090
H4 0.553 -0.687 1.471
H5 0.583 -1.904 0.152
Cl6 -1.987 -0.854 -0.012
Cl7 -0.447 1.642 0.082
H8 -0.263 -0.130 -1.444

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.51411.78821.09311.09352.67802.73602.1761
C21.51412.72702.15782.13861.79151.78031.0920
Cl31.78822.72702.37032.35714.31823.36562.8994
H41.09312.15782.37031.79532.94642.89003.0779
H51.09352.13862.35711.79532.78143.69362.5325
Cl62.67801.79154.31822.94642.78142.93472.3553
Cl72.73601.78033.36562.89003.69362.93472.3454
H82.17611.09202.89943.07792.53252.35532.3454

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 107.923 C1 C2 Cl7 112.047
C1 C2 H8 112.223 C2 C1 Cl3 111.062
C2 C1 H4 110.668 C2 C1 H5 109.128
Cl3 C1 H4 108.266 Cl3 C1 H5 107.290
H4 C1 H5 110.370 Cl6 C2 Cl7 110.494
Cl6 C2 H8 107.020 Cl7 C2 H8 107.035
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.333      
2 C -0.385      
3 Cl -0.028      
4 H 0.028      
5 H -0.014      
6 Cl 0.011      
7 Cl 0.028      
8 H 0.027      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.074 -1.291 -0.116 1.298
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -55.207 -0.088 0.454
y -0.088 -50.004 -0.396
z 0.454 -0.396 -48.622
Traceless
 xyz
x -5.894 -0.088 0.454
y -0.088 1.911 -0.396
z 0.454 -0.396 3.983
Polar
3z2-r27.967
x2-y2-5.203
xy-0.088
xz0.454
yz-0.396


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.087 0.683 -0.224
y 0.683 10.216 -0.005
z -0.224 -0.005 7.886


<r2> (average value of r2) Å2
<r2> 270.854
(<r2>)1/2 16.458