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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-1197.287747
Energy at 298.15K-1197.291193
HF Energy-1197.287747
Nuclear repulsion energy376.264843
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 B3PW91/6-31+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 A 3142 3017 0.09      
2 A 1394 1338 6.99      
3 A 1298 1246 12.37      
4 A 1126 1081 166.42      
5 A 1070 1027 126.47      
6 A 834 801 103.34      
7 A 459 441 1.42      
8 A 310 297 1.22      
9 A 164 157 0.55      
10 A 76 73 0.65      
11 B 3154 3028 7.62      
12 B 1336 1283 7.20      
13 B 1240 1191 23.93      
14 B 1084 1041 32.08      
15 B 826 793 105.20      
16 B 431 414 11.42      
17 B 387 372 8.60      
18 B 331 318 11.83      

Unscaled Zero Point Vibrational Energy (zpe) 9330.8 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 8958.5 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 B3PW91/6-31+G**
ABC
0.09781 0.05995 0.03862

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.226 0.731 0.399
C2 0.226 -0.731 0.399
H3 -1.315 0.815 0.365
H4 1.315 -0.815 0.365
F5 0.226 1.301 1.555
F6 -0.226 -1.301 1.555
Cl7 0.453 1.612 -0.985
Cl8 -0.453 -1.612 -0.985

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53081.09232.18361.36642.33811.77552.7305
C21.53082.18361.09232.33811.36642.73051.7755
H31.09232.18363.09422.00722.66072.36292.9077
H42.18361.09233.09422.66072.00722.90772.3629
F51.36642.33812.00722.66072.64102.56923.9241
F62.33811.36642.66072.00722.64103.92412.5692
Cl71.77552.73052.36292.90772.56923.92413.3485
Cl82.73051.77552.90772.36293.92412.56923.3485

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 111.609 C1 C2 F6 107.475
C1 C2 Cl8 111.134 C2 C1 H3 111.609
C2 C1 F5 107.475 C2 C1 Cl7 111.134
H3 C1 F5 108.939 H3 C1 Cl7 108.607
H4 C2 F6 108.939 H4 C2 Cl8 108.607
F5 C1 Cl7 109.022 F6 C2 Cl8 109.022
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.082      
2 C -0.082      
3 H 0.226      
4 H 0.226      
5 F -0.218      
6 F -0.218      
7 Cl 0.074      
8 Cl 0.074      


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 -0.542 0.542
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.608 -2.484 0.000
y -2.484 -50.247 0.000
z 0.000 0.000 -50.785
Traceless
 xyz
x 5.908 -2.484 0.000
y -2.484 -2.550 0.000
z 0.000 0.000 -3.358
Polar
3z2-r2-6.716
x2-y25.639
xy-2.484
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.087 0.697 0.000
y 0.697 7.589 0.000
z 0.000 0.000 7.980


<r2> (average value of r2) Å2
<r2> 247.533
(<r2>)1/2 15.733