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All results from a given calculation for CHFClCHFCl (1,2-dichloro-1,2-difluoroethane RR)

using model chemistry: B3PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3PW91/6-311G**
 hartrees
Energy at 0K-1197.399227
Energy at 298.15K-1197.402699
HF Energy-1197.399227
Nuclear repulsion energy376.747458
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 B3PW91/6-311G**
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 3128 3012 0.44      
2 A 1402 1351 10.26      
3 A 1302 1254 9.57      
4 A 1130 1088 189.26      
5 A 1073 1033 103.25      
6 A 829 798 106.97      
7 A 458 441 2.36      
8 A 314 302 1.44      
9 A 166 160 0.74      
10 A 77 74 0.65      
11 B 3139 3024 12.49      
12 B 1350 1301 9.31      
13 B 1233 1188 33.59      
14 B 1093 1052 29.81      
15 B 818 788 116.27      
16 B 434 418 11.64      
17 B 390 375 7.85      
18 B 328 316 11.67      

Unscaled Zero Point Vibrational Energy (zpe) 9331.3 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 8987.0 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 B3PW91/6-311G**
ABC
0.09798 0.06005 0.03871

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.222 0.731 0.400
C2 0.222 -0.731 0.400
H3 -1.307 0.818 0.348
H4 1.307 -0.818 0.348
F5 0.222 1.295 1.553
F6 -0.222 -1.295 1.553
Cl7 0.472 1.608 -0.984
Cl8 -0.472 -1.608 -0.984

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52741.09012.17731.35862.33121.77892.7284
C21.52742.17731.09012.33121.35862.72841.7789
H31.09012.17733.08462.00482.66392.35842.8905
H42.17731.09013.08462.66392.00482.89052.3584
F51.35862.33122.00482.66392.62852.56803.9170
F62.33121.35862.66392.00482.62853.91702.5680
Cl71.77892.72842.35842.89052.56803.91703.3506
Cl82.72841.77892.89052.35843.91702.56803.3506

picture of 1,2-dichloro-1,2-difluoroethane RR state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 111.477 C1 C2 F6 107.614
C1 C2 Cl8 110.989 C2 C1 H3 111.477
C2 C1 F5 107.614 C2 C1 Cl7 110.989
H3 C1 F5 109.429 H3 C1 Cl7 108.166
H4 C2 F6 109.429 H4 C2 Cl8 108.166
F5 C1 Cl7 109.136 F6 C2 Cl8 109.136
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.042      
2 C 0.042      
3 H 0.200      
4 H 0.200      
5 F -0.204      
6 F -0.204      
7 Cl -0.039      
8 Cl -0.039      


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 -0.286 0.286
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.795 -2.495 0.000
y -2.495 -50.712 0.000
z 0.000 0.000 -50.180
Traceless
 xyz
x 5.651 -2.495 0.000
y -2.495 -3.225 0.000
z 0.000 0.000 -2.427
Polar
3z2-r2-4.853
x2-y25.917
xy-2.495
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.976 0.787 0.000
y 0.787 6.562 0.000
z 0.000 0.000 7.155


<r2> (average value of r2) Å2
<r2> 247.076
(<r2>)1/2 15.719