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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-1196.846480
Energy at 298.15K-1196.849768
HF Energy-1196.846480
Nuclear repulsion energy373.534803
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 PBEPBEultrafine/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 3025 3008 0.48      
2 A 1327 1319 10.28      
3 A 1216 1209 7.47      
4 A 1088 1082 175.28      
5 A 1033 1027 102.82      
6 A 787 782 95.21      
7 A 438 435 3.04      
8 A 298 296 1.02      
9 A 157 156 0.67      
10 A 72 72 0.49      
11 B 3036 3019 15.04      
12 B 1268 1261 3.88      
13 B 1155 1148 29.19      
14 B 1052 1046 29.38      
15 B 775 770 103.40      
16 B 414 411 9.59      
17 B 370 368 6.48      
18 B 315 313 10.57      

Unscaled Zero Point Vibrational Energy (zpe) 8912.1 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 8860.4 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 PBEPBEultrafine/cc-pVDZ
ABC
0.09551 0.05957 0.03817

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.224 0.735 0.408
C2 0.224 -0.735 0.408
H3 -1.328 0.823 0.349
H4 1.328 -0.823 0.349
F5 0.224 1.307 1.572
F6 -0.224 -1.307 1.572
Cl7 0.478 1.609 -0.997
Cl8 -0.478 -1.609 -0.997

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53711.10872.19971.37182.35051.79732.7447
C21.53712.19971.10872.35051.37182.74471.7973
H31.10872.19973.12402.03412.69282.38532.9062
H42.19971.10873.12402.69282.03412.90622.3853
F51.37182.35052.03412.69282.65242.59863.9489
F62.35051.37182.69282.03412.65243.94892.5986
Cl71.79732.74472.38532.90622.59863.94893.3571
Cl82.74471.79732.90622.38533.94892.59863.3571

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 111.462 C1 C2 F6 107.680
C1 C2 Cl8 110.559 C2 C1 H3 111.462
C2 C1 F5 107.680 C2 C1 Cl7 110.559
H3 C1 F5 109.719 H3 C1 Cl7 107.977
H4 C2 F6 109.719 H4 C2 Cl8 107.977
F5 C1 Cl7 109.431 F6 C2 Cl8 109.431
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/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 -0.004 0.004
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.296 -2.098 0.000
y -2.098 -49.335 0.000
z 0.000 0.000 -48.927
Traceless
 xyz
x 4.834 -2.098 0.000
y -2.098 -2.723 0.000
z 0.000 0.000 -2.111
Polar
3z2-r2-4.223
x2-y25.038
xy-2.098
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.094 0.694 0.000
y 0.694 6.553 0.000
z 0.000 0.000 7.168


<r2> (average value of r2) Å2
<r2> 249.590
(<r2>)1/2 15.798