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

using model chemistry: HF/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-56.685234
Energy at 298.15K-56.689232
Nuclear repulsion energy89.336817
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/CEP-121G
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 3377 3081 1.11      
2 A 3361 3067 0.59      
3 A 3278 2991 5.00      
4 A 1603 1463 7.52      
5 A 1471 1343 8.83      
6 A 1417 1293 32.16      
7 A 1350 1232 34.87      
8 A 1291 1178 5.56      
9 A 1167 1065 2.08      
10 A 1030 940 24.29      
11 A 803 733 32.00      
12 A 740 675 157.44      
13 A 687 627 46.28      
14 A 400 365 11.72      
15 A 341 311 1.65      
16 A 262 239 2.56      
17 A 188 171 7.98      
18 A 104 95 6.75      

Unscaled Zero Point Vibrational Energy (zpe) 11434.8 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 10434.2 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/CEP-121G
ABC
0.11033 0.04630 0.03377

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.668 -0.824 0.443
C2 -0.399 -0.089 -0.358
Cl3 2.363 -0.311 -0.105
H4 0.600 -0.610 1.496
H5 0.607 -1.883 0.258
Cl6 -2.026 -0.903 -0.024
Cl7 -0.489 1.691 0.079
H8 -0.244 -0.144 -1.419

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.52361.85371.07611.07692.73592.79202.1823
C21.52362.78202.16942.14701.85011.83491.0734
Cl31.85372.78202.39992.38484.42973.48872.9239
H41.07612.16942.39991.77603.04852.91283.0700
H51.07692.14702.38481.77602.82423.74222.5609
Cl62.73591.85014.42973.04852.82423.01642.3872
Cl72.79201.83493.48872.91283.74223.01642.3815
H82.18231.07342.92393.07002.56092.38722.3815

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 107.989 C1 C2 Cl7 112.140
C1 C2 H8 113.207 C2 C1 Cl3 110.541
C2 C1 H4 111.973 C2 C1 H5 110.117
Cl3 C1 H4 106.979 Cl3 C1 H5 105.859
H4 C1 H5 111.154 Cl6 C2 Cl7 109.885
Cl6 C2 H8 106.437 Cl7 C2 H8 107.018
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.360      
2 C -0.426      
3 Cl -0.028      
4 H 0.236      
5 H 0.234      
6 Cl 0.028      
7 Cl 0.046      
8 H 0.269      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.071 -1.837 -0.089 1.840
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.398 -0.697 0.997
y -0.697 -50.145 -0.650
z 0.997 -0.650 -46.844
Traceless
 xyz
x -9.903 -0.697 0.997
y -0.697 2.476 -0.650
z 0.997 -0.650 7.427
Polar
3z2-r214.854
x2-y2-8.253
xy-0.697
xz0.997
yz-0.650


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.760 1.410 -0.728
y 1.410 7.783 0.056
z -0.728 0.056 4.596


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000