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

using model chemistry: MP3=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP3=FULL/6-31G
 hartrees
Energy at 0K-1195.109422
Energy at 298.15K-1195.112737
HF Energy-1194.575375
Nuclear repulsion energy365.153421
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 MP3=FULL/6-31G
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 3208 3208 0.77      
2 A 1426 1426 1.15      
3 A 1320 1320 21.56      
4 A 1156 1156 29.75      
5 A 1059 1059 130.26      
6 A 791 791 62.68      
7 A 424 424 1.17      
8 A 300 300 1.91      
9 A 159 159 1.22      
10 A 77 77 1.17      
11 B 3219 3219 2.69      
12 B 1352 1352 7.89      
13 B 1271 1271 25.69      
14 B 1065 1065 10.87      
15 B 780 780 99.01      
16 B 406 406 18.89      
17 B 365 365 13.13      
18 B 326 326 16.35      

Unscaled Zero Point Vibrational Energy (zpe) 9351.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9351.5 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 MP3=FULL/6-31G
ABC
0.09157 0.05675 0.03632

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.247 0.720 0.420
C2 0.247 -0.720 0.420
H3 -1.334 0.799 0.401
H4 1.334 -0.799 0.401
F5 0.247 1.322 1.606
F6 -0.247 -1.322 1.606
Cl7 0.433 1.676 -1.022
Cl8 -0.433 -1.676 -1.022

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52231.08952.19251.41892.36111.85922.8025
C21.52232.19251.08952.36111.41892.80251.8592
H31.08952.19253.10952.05532.67022.43232.9938
H42.19251.08953.10952.67022.05532.99382.4323
F51.41892.36112.05532.67022.68952.65834.0442
F62.36111.41892.67022.05532.68954.04422.6583
Cl71.85922.80252.43232.99382.65834.04423.4619
Cl82.80251.85922.99382.43234.04422.65833.4619

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 113.122 C1 C2 F6 106.740
C1 C2 Cl8 111.560 C2 C1 H3 113.122
C2 C1 F5 106.740 C2 C1 Cl7 111.560
H3 C1 F5 109.340 H3 C1 Cl7 108.305
H4 C2 F6 109.340 H4 C2 Cl8 108.305
F5 C1 Cl7 107.614 F6 C2 Cl8 107.614
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability