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All results from a given calculation for CHFClCHClF (ethane, 1,2-dichloro-1,2-difluoro-)

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-1197.501319
Energy at 298.15K-1197.504741
HF Energy-1197.501319
Nuclear repulsion energy376.519759
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 B1B95/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3160 3023 0.00      
2 Ag 1404 1343 0.00      
3 Ag 1322 1264 0.00      
4 Ag 1138 1088 0.00      
5 Ag 1090 1043 0.00      
6 Ag 836 799 0.00      
7 Ag 519 497 0.00      
8 Ag 374 358 0.00      
9 Ag 264 253 0.00      
10 Au 3171 3034 7.83      
11 Au 1322 1264 20.60      
12 Au 1243 1190 33.98      
13 Au 1138 1089 279.33      
14 Au 788 754 233.88      
15 Au 402 384 3.49      
16 Au 366 350 29.89      
17 Au 162 155 0.97      
18 Au 71 68 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 9383.8 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 8976.6 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 B1B95/6-31+G**
ABC
0.13490 0.04933 0.03732

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.762
C2 0.000 0.000 0.762
H3 1.014 0.000 -1.161
H4 -1.014 0.000 1.161
F5 -0.658 -1.107 -1.196
F6 0.658 1.107 1.196
Cl7 -0.835 1.442 -1.358
Cl8 0.835 -1.442 1.358

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52361.08962.17381.35932.34381.76942.6961
C21.52362.17381.08962.34381.35932.69611.7694
H31.08962.17383.08282.00552.62872.35262.9079
H42.17381.08963.08282.62872.00552.90792.3526
F51.35932.34382.00552.62873.51582.55972.9778
F62.34381.35932.62872.00553.51582.97782.5597
Cl71.76942.69612.35262.90792.55972.97784.2986
Cl82.69611.76942.90792.35262.97782.55974.2986

picture of ethane, 1,2-dichloro-1,2-difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 111.499 C1 C2 F6 108.650
C1 C2 Cl8 109.691 C2 C1 H3 111.499
C2 C1 F5 108.650 C2 C1 Cl7 109.691
H3 C1 F5 109.473 H3 C1 Cl7 108.399
H4 C2 F6 109.473 H4 C2 Cl8 108.399
F5 C1 Cl7 109.098 F6 C2 Cl8 109.098
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.070      
2 C -0.070      
3 H 0.228      
4 H 0.228      
5 F -0.219      
6 F -0.219      
7 Cl 0.061      
8 Cl 0.061      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.590 -1.135 -3.741
y -1.135 -50.135 -1.104
z -3.741 -1.104 -48.341
Traceless
 xyz
x 2.647 -1.135 -3.741
y -1.135 -2.669 -1.104
z -3.741 -1.104 0.022
Polar
3z2-r20.044
x2-y23.544
xy-1.135
xz-3.741
yz-1.104


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.508 -1.245 0.916
y -1.245 8.477 -1.488
z 0.916 -1.488 7.026


<r2> (average value of r2) Å2
<r2> 254.604
(<r2>)1/2 15.956