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

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-1194.747185
Energy at 298.15K-1194.750942
HF Energy-1194.747185
Nuclear repulsion energy380.119490
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 HF/6-31G(2df,p)
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 3300 2988 1.39      
2 A 1551 1404 13.45      
3 A 1424 1289 18.50      
4 A 1262 1142 239.82      
5 A 1172 1061 57.80      
6 A 903 817 93.37      
7 A 493 446 1.58      
8 A 338 306 1.63      
9 A 177 160 0.57      
10 A 86 78 0.80      
11 B 3312 2999 14.00      
12 B 1482 1342 9.85      
13 B 1344 1217 40.35      
14 B 1233 1116 26.50      
15 B 893 809 134.84      
16 B 472 428 14.27      
17 B 422 382 7.12      
18 B 360 326 12.71      

Unscaled Zero Point Vibrational Energy (zpe) 10111.3 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 9155.8 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 HF/6-31G(2df,p)
ABC
0.10094 0.06026 0.03926

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.217 0.730 0.394
C2 0.217 -0.730 0.394
H3 -1.290 0.820 0.334
H4 1.290 -0.820 0.334
F5 0.217 1.274 1.529
F6 -0.217 -1.274 1.529
Cl7 0.489 1.609 -0.968
Cl8 -0.489 -1.609 -0.968

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52351.07812.16261.33092.30281.76802.7202
C21.52352.16261.07812.30281.33092.72021.7680
H31.07812.16263.05661.97582.63832.34122.8698
H42.16261.07813.05662.63831.97582.86982.3412
F51.33092.30281.97582.63832.58422.53403.8783
F62.30281.33092.63831.97582.58423.87832.5340
Cl71.76802.72022.34122.86982.53403.87833.3623
Cl82.72021.76802.86982.34123.87832.53403.3623

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 111.308 C1 C2 F6 107.365
C1 C2 Cl8 111.251 C2 C1 H3 111.308
C2 C1 F5 107.365 C2 C1 Cl7 111.251
H3 C1 F5 109.758 H3 C1 Cl7 108.239
H4 C2 F6 109.758 H4 C2 Cl8 108.239
F5 C1 Cl7 108.891 F6 C2 Cl8 108.891
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.182      
2 C 0.182      
3 H 0.190      
4 H 0.190      
5 F -0.234      
6 F -0.234      
7 Cl -0.138      
8 Cl -0.138      


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 -0.110 0.110
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.262 -2.602 0.000
y -2.602 -50.013 0.000
z 0.000 0.000 -50.103
Traceless
 xyz
x 5.796 -2.602 0.000
y -2.602 -2.830 0.000
z 0.000 0.000 -2.966
Polar
3z2-r2-5.932
x2-y25.751
xy-2.602
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.571 0.700 0.000
y 0.700 6.903 0.000
z 0.000 0.000 7.000


<r2> (average value of r2) Å2
<r2> 243.870
(<r2>)1/2 15.616