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

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-1197.267677
Energy at 298.15K-1197.271111
HF Energy-1197.267677
Nuclear repulsion energy375.023306
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 B3PW91/6-31G**
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 3134 3003 0.00      
2 Ag 1414 1355 0.00      
3 Ag 1324 1269 0.00      
4 Ag 1147 1099 0.00      
5 Ag 1094 1048 0.00      
6 Ag 824 789 0.00      
7 Ag 520 498 0.00      
8 Ag 371 356 0.00      
9 Ag 269 258 0.00      
10 Au 3145 3014 14.50      
11 Au 1335 1279 26.69      
12 Au 1241 1189 37.75      
13 Au 1164 1116 248.32      
14 Au 768 736 238.11      
15 Au 400 383 2.40      
16 Au 367 352 29.56      
17 Au 171 164 1.44      
18 Au 75 72 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 9380.4 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 8990.1 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 B3PW91/6-31G**
ABC
0.13430 0.04881 0.03698

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.764
C2 0.000 0.000 0.764
H3 1.019 0.000 -1.158
H4 -1.019 0.000 1.158
F5 -0.678 -1.085 -1.208
F6 0.678 1.085 1.208
Cl7 -0.807 1.482 -1.352
Cl8 0.807 -1.482 1.352

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52841.09252.17581.35402.35091.78662.7064
C21.52842.17581.09252.35091.35402.70641.7866
H31.09252.17583.08532.01452.62562.35962.9225
H42.17581.09253.08532.62562.01452.92252.3596
F51.35402.35092.01452.62563.51912.57372.9861
F62.35091.35402.62562.01453.51912.98612.5737
Cl71.78662.70642.35962.92252.57372.98614.3241
Cl82.70641.78662.92252.35962.98612.57374.3241

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 111.138 C1 C2 F6 109.145
C1 C2 Cl8 109.207 C2 C1 H3 111.138
C2 C1 F5 109.145 C2 C1 Cl7 109.207
H3 C1 F5 110.397 H3 C1 Cl7 107.624
H4 C2 F6 110.397 H4 C2 Cl8 107.624
F5 C1 Cl7 109.294 F6 C2 Cl8 109.294
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.066      
2 C 0.066      
3 H 0.198      
4 H 0.198      
5 F -0.250      
6 F -0.250      
7 Cl -0.014      
8 Cl -0.014      


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 -45.880 -0.375 -3.509
y -0.375 -49.134 -0.048
z -3.509 -0.048 -47.744
Traceless
 xyz
x 2.559 -0.375 -3.509
y -0.375 -2.322 -0.048
z -3.509 -0.048 -0.237
Polar
3z2-r2-0.474
x2-y23.254
xy-0.375
xz-3.509
yz-0.048


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.338 -1.445 0.909
y -1.445 7.654 -1.673
z 0.909 -1.673 5.901


<r2> (average value of r2) Å2
<r2> 256.148
(<r2>)1/2 16.005