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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-1196.846493
Energy at 298.15K-1196.849783
HF Energy-1196.846493
Nuclear repulsion energy373.499881
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 PBEPBE/cc-pVDZ
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 3026 3009 0.48      
2 A 1328 1320 10.05      
3 A 1216 1209 7.69      
4 A 1088 1082 173.23      
5 A 1033 1027 104.46      
6 A 787 782 95.49      
7 A 438 435 3.04      
8 A 297 296 1.02      
9 A 158 157 0.67      
10 A 72 72 0.50      
11 B 3037 3020 15.04      
12 B 1269 1261 3.86      
13 B 1156 1150 29.26      
14 B 1052 1046 29.43      
15 B 775 770 103.24      
16 B 414 412 9.60      
17 B 370 368 6.69      
18 B 316 314 10.38      

Unscaled Zero Point Vibrational Energy (zpe) 8915.1 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 8863.4 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 PBEPBE/cc-pVDZ
ABC
0.09547 0.05958 0.03816

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.224 0.735 0.409
C2 0.224 -0.735 0.409
H3 -1.328 0.822 0.351
H4 1.328 -0.822 0.351
F5 0.224 1.308 1.572
F6 -0.224 -1.308 1.572
Cl7 0.475 1.609 -0.997
Cl8 -0.475 -1.609 -0.997

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53691.10872.19961.37192.35071.79772.7452
C21.53692.19961.10872.35071.37192.74521.7977
H31.10872.19963.12392.03422.69202.38522.9079
H42.19961.10873.12392.69202.03422.90792.3852
F51.37192.35072.03422.69202.65422.59883.9498
F62.35071.37192.69202.03422.65423.94982.5988
Cl71.79772.74522.38522.90792.59883.94983.3562
Cl82.74521.79772.90792.38523.94982.59883.3562

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 111.461 C1 C2 F6 107.696
C1 C2 Cl8 110.582 C2 C1 H3 111.461
C2 C1 F5 107.696 C2 C1 Cl7 110.582
H3 C1 F5 109.722 H3 C1 Cl7 107.945
H4 C2 F6 109.722 H4 C2 Cl8 107.945
F5 C1 Cl7 109.424 F6 C2 Cl8 109.424
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.126      
2 C 0.126      
3 H 0.085      
4 H 0.085      
5 F -0.145      
6 F -0.145      
7 Cl -0.067      
8 Cl -0.067      


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 -44.295 -2.096 0.000
y -2.096 -49.341 0.000
z 0.000 0.000 -48.923
Traceless
 xyz
x 4.837 -2.096 0.000
y -2.096 -2.732 0.000
z 0.000 0.000 -2.105
Polar
3z2-r2-4.210
x2-y25.046
xy-2.096
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.090 0.691 0.000
y 0.691 6.555 0.000
z 0.000 0.000 7.173


<r2> (average value of r2) Å2
<r2> 249.626
(<r2>)1/2 15.800