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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-1196.892500
Energy at 298.15K-1196.895988
HF Energy-1196.892500
Nuclear repulsion energy378.949898
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 PBE1PBE/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 3121 2987 0.45      
2 A 1404 1344 13.11      
3 A 1294 1238 7.41      
4 A 1171 1121 215.59      
5 A 1091 1044 43.10      
6 A 842 806 80.66      
7 A 464 444 1.99      
8 A 313 299 1.11      
9 A 162 155 0.48      
10 A 77 74 0.63      
11 B 3134 2999 11.37      
12 B 1349 1291 6.28      
13 B 1226 1173 27.32      
14 B 1146 1097 22.33      
15 B 834 798 101.58      
16 B 440 421 9.99      
17 B 391 375 5.96      
18 B 329 315 10.51      

Unscaled Zero Point Vibrational Energy (zpe) 9393.7 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 8989.8 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 PBE1PBE/6-31G(2df,p)
ABC
0.09905 0.06073 0.03923

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.216 0.733 0.396
C2 0.216 -0.733 0.396
H3 -1.303 0.824 0.321
H4 1.303 -0.824 0.321
F5 0.216 1.283 1.544
F6 -0.216 -1.283 1.544
Cl7 0.502 1.590 -0.976
Cl8 -0.502 -1.590 -0.976

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52741.09332.17551.34392.31931.77022.7130
C21.52742.17551.09332.31931.34392.71301.7702
H31.09332.17553.08242.00242.66702.35122.8552
H42.17551.09333.08242.66702.00242.85522.3512
F51.34392.31932.00242.66702.60122.55493.8883
F62.31931.34392.66702.00242.60123.88832.5549
Cl71.77022.71302.35122.85522.55493.88833.3354
Cl82.71301.77022.85522.35123.88832.55493.3354

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 111.142 C1 C2 F6 107.580
C1 C2 Cl8 110.506 C2 C1 H3 111.142
C2 C1 F5 107.580 C2 C1 Cl7 110.506
H3 C1 F5 110.062 H3 C1 Cl7 108.054
H4 C2 F6 110.062 H4 C2 Cl8 108.054
F5 C1 Cl7 109.494 F6 C2 Cl8 109.494
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.055      
2 C 0.055      
3 H 0.182      
4 H 0.182      
5 F -0.113      
6 F -0.113      
7 Cl -0.123      
8 Cl -0.123      


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 0.079 0.079
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.981 -2.276 0.000
y -2.276 -48.960 0.000
z 0.000 0.000 -48.808
Traceless
 xyz
x 4.903 -2.276 0.000
y -2.276 -2.565 0.000
z 0.000 0.000 -2.337
Polar
3z2-r2-4.674
x2-y24.979
xy-2.276
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.822 0.727 0.000
y 0.727 7.324 0.000
z 0.000 0.000 7.437


<r2> (average value of r2) Å2
<r2> 243.659
(<r2>)1/2 15.610