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

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 C2 1A
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-1197.263838
Energy at 298.15K-1197.267286
HF Energy-1197.263838
Nuclear repulsion energy376.461822
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
(Å4/u)
Dep P Dep U
1 A 3143 3007 0.73      
2 A 1419 1358 10.83      
3 A 1321 1264 19.29      
4 A 1153 1103 211.19      
5 A 1089 1042 51.82      
6 A 836 799 95.84      
7 A 457 437 2.94      
8 A 312 299 1.21      
9 A 163 156 0.71      
10 A 79 76 0.64      
11 B 3155 3018 15.71      
12 B 1365 1306 7.44      
13 B 1253 1199 31.81      
14 B 1127 1078 24.72      
15 B 821 785 116.63      
16 B 435 416 11.39      
17 B 387 370 7.62      
18 B 332 317 11.84      

Unscaled Zero Point Vibrational Energy (zpe) 9422.6 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 9014.6 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 B3PW91/6-31G*
ABC
0.09785 0.05992 0.03864

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.223 0.732 0.398
C2 0.223 -0.732 0.398
H3 -1.311 0.816 0.345
H4 1.311 -0.816 0.345
F5 0.223 1.285 1.555
F6 -0.223 -1.285 1.555
Cl7 0.473 1.614 -0.984
Cl8 -0.473 -1.614 -0.984

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52961.09262.17951.35782.32541.78112.7340
C21.52962.17951.09262.32541.35782.73401.7811
H31.09262.17953.08822.00892.65812.36302.8937
H42.17951.09263.08822.65812.00892.89372.3630
F51.35782.32542.00892.65812.60932.57233.9163
F62.32541.35782.65812.00892.60933.91632.5723
Cl71.78112.73402.36302.89372.57233.91633.3637
Cl82.73401.78112.89372.36303.91632.57233.3637

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 111.347 C1 C2 F6 107.139
C1 C2 Cl8 111.109 C2 C1 H3 111.347
C2 C1 F5 107.139 C2 C1 Cl7 111.109
H3 C1 F5 109.666 H3 C1 Cl7 108.235
H4 C2 F6 109.666 H4 C2 Cl8 108.235
F5 C1 Cl7 109.326 F6 C2 Cl8 109.326
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 0.032      
2 C 0.032      
3 H 0.232      
4 H 0.232      
5 F -0.254      
6 F -0.254      
7 Cl -0.011      
8 Cl -0.011      


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 -44.043 -2.363 0.000
y -2.363 -49.467 0.000
z 0.000 0.000 -49.115
Traceless
 xyz
x 5.248 -2.363 0.000
y -2.363 -2.888 0.000
z 0.000 0.000 -2.359
Polar
3z2-r2-4.719
x2-y25.424
xy-2.363
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.982 0.764 0.000
y 0.764 6.420 0.000
z 0.000 0.000 6.865


<r2> (average value of r2) Å2
<r2> 246.873
(<r2>)1/2 15.712