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

using model chemistry: HF/TZVP

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/TZVP
 hartrees
Energy at 0K-1456.018864
Energy at 298.15K-1456.022978
HF Energy-1456.018864
Nuclear repulsion energy339.564511
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/TZVP
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 3350 3044 1.60      
2 A 3336 3031 0.69      
3 A 3273 2974 7.02      
4 A 1603 1457 5.09      
5 A 1479 1344 9.57      
6 A 1420 1290 30.55      
7 A 1358 1234 37.24      
8 A 1288 1171 5.30      
9 A 1145 1041 2.24      
10 A 1029 935 30.45      
11 A 858 780 32.28      
12 A 797 724 144.74      
13 A 728 662 35.10      
14 A 415 377 8.45      
15 A 358 325 1.25      
16 A 274 249 1.48      
17 A 195 178 4.98      
18 A 113 103 4.54      

Unscaled Zero Point Vibrational Energy (zpe) 11510.2 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 10458.1 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/TZVP
ABC
0.11649 0.04854 0.03546

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.674 -0.818 0.410
C2 -0.407 -0.081 -0.354
Cl3 2.309 -0.289 -0.097
H4 0.582 -0.647 1.469
H5 0.605 -1.871 0.196
Cl6 -1.972 -0.880 -0.018
Cl7 -0.486 1.643 0.080
H8 -0.251 -0.134 -1.414

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.51561.79171.07621.07632.68142.74072.1571
C21.51562.73662.15032.12821.78931.77951.0728
Cl31.79172.73662.35832.34334.32283.40272.8836
H41.07622.15032.35831.76552.96492.88373.0448
H51.07632.12822.34331.76552.76893.68072.5183
Cl62.68141.78934.32282.96492.76892.93012.3388
Cl72.74071.77953.40272.88373.68072.93012.3333
H82.15711.07282.88363.04482.51832.33882.3333

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 108.174 C1 C2 Cl7 112.312
C1 C2 H8 111.758 C2 C1 Cl3 111.398
C2 C1 H4 110.993 C2 C1 H5 109.217
Cl3 C1 H4 108.019 Cl3 C1 H5 106.918
H4 C1 H5 110.210 Cl6 C2 Cl7 110.380
Cl6 C2 H8 106.923 Cl7 C2 H8 107.170
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.083      
2 C 0.071      
3 Cl -0.162      
4 H 0.135      
5 H 0.132      
6 Cl -0.132      
7 Cl -0.113      
8 H 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.075 -1.484 -0.112 1.490
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.995 -0.271 0.585
y -0.271 -50.677 -0.462
z 0.585 -0.462 -48.702
Traceless
 xyz
x -7.305 -0.271 0.585
y -0.271 2.171 -0.462
z 0.585 -0.462 5.134
Polar
3z2-r210.268
x2-y2-6.318
xy-0.271
xz0.585
yz-0.462


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.558 0.974 -0.459
y 0.974 8.020 0.049
z -0.459 0.049 5.590


<r2> (average value of r2) Å2
<r2> 272.547
(<r2>)1/2 16.509