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

using model chemistry: HF/3-21G*

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/3-21G*
 hartrees
Energy at 0K-1449.246945
Energy at 298.15K-1449.251016
Nuclear repulsion energy338.953551
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/3-21G*
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 3371 3043 1.06      
2 A 3356 3029 0.99      
3 A 3294 2973 3.31      
4 A 1636 1476 11.52      
5 A 1483 1338 5.92      
6 A 1447 1306 13.62      
7 A 1374 1240 23.37      
8 A 1327 1198 2.14      
9 A 1096 989 0.42      
10 A 1029 929 28.70      
11 A 829 748 21.14      
12 A 763 688 129.99      
13 A 702 634 32.92      
14 A 420 379 7.53      
15 A 356 321 0.78      
16 A 277 250 1.27      
17 A 199 180 4.88      
18 A 112 101 4.50      

Unscaled Zero Point Vibrational Energy (zpe) 11534.5 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 10411.0 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/3-21G*
ABC
0.11699 0.04828 0.03538

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.672 -0.834 0.411
C2 -0.410 -0.085 -0.363
Cl3 2.309 -0.296 -0.096
H4 0.571 -0.658 1.467
H5 0.602 -1.886 0.196
Cl6 -1.991 -0.863 -0.016
Cl7 -0.465 1.641 0.081
H8 -0.248 -0.145 -1.421

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.52601.79631.07591.07662.69672.74342.1625
C21.52602.74042.15402.14041.79521.78381.0725
Cl31.79632.74042.36562.35154.33783.38822.8842
H41.07592.15402.36561.76752.96752.87793.0460
H51.07662.14042.35151.76752.79563.68752.5244
Cl62.69671.79524.33782.96752.79562.93412.3507
Cl72.74341.78383.38822.87793.68752.93412.3445
H82.16251.07252.88423.04602.52442.35072.3445

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 108.305 C1 C2 Cl7 111.733
C1 C2 H8 111.458 C2 C1 Cl3 110.886
C2 C1 H4 110.575 C2 C1 H5 109.440
Cl3 C1 H4 108.274 Cl3 C1 H5 107.202
H4 C1 H5 110.405 Cl6 C2 Cl7 110.129
Cl6 C2 H8 107.415 Cl7 C2 H8 107.716
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.487      
2 C -0.432      
3 Cl -0.042      
4 H 0.302      
5 H 0.298      
6 Cl 0.004      
7 Cl 0.023      
8 H 0.334      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.058 -1.547 -0.128 1.553
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.726 -0.297 0.538
y -0.297 -51.262 -0.467
z 0.538 -0.467 -49.268
Traceless
 xyz
x -7.461 -0.297 0.538
y -0.297 2.235 -0.467
z 0.538 -0.467 5.226
Polar
3z2-r210.451
x2-y2-6.464
xy-0.297
xz0.538
yz-0.467


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.809 1.049 -0.536
y 1.049 7.179 0.072
z -0.536 0.072 4.669


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