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

using model chemistry: B2PLYP=FULLultrafine/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B2PLYP=FULLultrafine/STO-3G
 hartrees
Energy at 0K-1182.955317
Energy at 298.15K 
HF Energy-1182.894912
Nuclear repulsion energy363.025852
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 B2PLYP=FULLultrafine/STO-3G
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 3338 3338 0.43      
2 A 1469 1469 11.51      
3 A 1342 1342 30.00      
4 A 1242 1242 94.53      
5 A 1060 1060 3.82      
6 A 852 852 44.86      
7 A 457 457 5.66      
8 A 268 268 0.12      
9 A 140 140 0.72      
10 A 53 53 1.28      
11 B 3344 3344 0.47      
12 B 1418 1418 11.75      
13 B 1269 1269 36.97      
14 B 1246 1246 2.42      
15 B 851 851 69.46      
16 B 434 434 11.78      
17 B 377 377 5.94      
18 B 307 307 11.04      

Unscaled Zero Point Vibrational Energy (zpe) 9732.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9732.8 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 B2PLYP=FULLultrafine/STO-3G
ABC
0.08954 0.05601 0.03621

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.200 0.778 0.428
C2 0.200 -0.778 0.428
H3 -1.300 0.898 0.260
H4 1.300 -0.898 0.260
F5 0.200 1.364 1.614
F6 -0.200 -1.364 1.614
Cl7 0.640 1.603 -1.021
Cl8 -0.640 -1.603 -1.021

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.60681.11912.25591.38172.44801.86712.8217
C21.60682.25591.11912.44801.38172.82171.8671
H31.11912.25593.16022.07402.85672.42872.8864
H42.25591.11913.16022.85672.07402.88642.4287
F51.38172.44802.07402.85672.75642.68214.0556
F62.44801.38172.85672.07402.75644.05562.6821
Cl71.86712.82172.42872.88642.68214.05563.4515
Cl82.82171.86712.88642.42874.05562.68213.4515

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 110.421 C1 C2 F6 109.771
C1 C2 Cl8 108.404 C2 C1 H3 110.421
C2 C1 F5 109.771 C2 C1 Cl7 108.404
H3 C1 F5 111.629 H3 C1 Cl7 106.112
H4 C2 F6 111.629 H4 C2 Cl8 106.112
F5 C1 Cl7 110.402 F6 C2 Cl8 110.402
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability