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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-1197.477174
Energy at 298.15K-1197.480662
HF Energy-1197.477174
Nuclear repulsion energy378.432126
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 B1B95/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3163 3020 0.72      
2 A 1429 1365 13.47      
3 A 1327 1267 20.21      
4 A 1172 1119 214.82      
5 A 1105 1055 51.39      
6 A 846 807 90.87      
7 A 463 442 2.49      
8 A 315 301 1.34      
9 A 159 151 0.72      
10 A 80 76 0.68      
11 B 3175 3031 14.66      
12 B 1371 1309 7.22      
13 B 1257 1200 32.08      
14 B 1146 1094 25.60      
15 B 833 795 116.17      
16 B 437 417 11.02      
17 B 389 372 7.70      
18 B 334 319 12.70      

Unscaled Zero Point Vibrational Energy (zpe) 9498.9 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 9069.6 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 B1B95/6-31G**
ABC
0.09860 0.06075 0.03909

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.223 0.728 0.395
C2 0.223 -0.728 0.395
H3 -1.309 0.809 0.345
H4 1.309 -0.809 0.345
F5 0.223 1.276 1.549
F6 -0.223 -1.276 1.549
Cl7 0.469 1.603 -0.980
Cl8 -0.469 -1.603 -0.980

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52301.08992.17061.35302.31281.77082.7176
C21.52302.17061.08992.31281.35302.71761.7708
H31.08992.17063.07732.00352.64132.35532.8773
H42.17061.08993.07732.64132.00352.87732.3553
F51.35302.31282.00352.64132.59142.56213.8943
F62.31281.35302.64132.00352.59143.89432.5621
Cl71.77082.71762.35532.87732.56213.89433.3398
Cl82.71761.77082.87732.35533.89432.56213.3398

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 111.263 C1 C2 F6 106.911
C1 C2 Cl8 110.966 C2 C1 H3 111.263
C2 C1 F5 106.911 C2 C1 Cl7 110.966
H3 C1 F5 109.723 H3 C1 Cl7 108.480
H4 C2 F6 109.723 H4 C2 Cl8 108.480
F5 C1 Cl7 109.479 F6 C2 Cl8 109.479
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.038      
2 C 0.038      
3 H 0.229      
4 H 0.229      
5 F -0.260      
6 F -0.260      
7 Cl -0.007      
8 Cl -0.007      


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 -0.073 0.073
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.951 -2.328 0.000
y -2.328 -49.294 0.000
z 0.000 0.000 -49.054
Traceless
 xyz
x 5.223 -2.328 0.000
y -2.328 -2.792 0.000
z 0.000 0.000 -2.431
Polar
3z2-r2-4.862
x2-y25.344
xy-2.328
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.960 0.745 0.000
y 0.745 6.340 0.000
z 0.000 0.000 6.775


<r2> (average value of r2) Å2
<r2> 244.328
(<r2>)1/2 15.631