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

using model chemistry: B2PLYP=FULL/3-21G

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=FULL/3-21G
 hartrees
Energy at 0K-1190.895314
Energy at 298.15K-1190.898488
HF Energy-1190.717804
Nuclear repulsion energy366.335687
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=FULL/3-21G
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 3210 3056 0.98      
2 A 1434 1365 3.56      
3 A 1297 1235 19.52      
4 A 1144 1089 144.24      
5 A 1058 1007 53.06      
6 A 748 712 76.38      
7 A 397 378 7.82      
8 A 277 264 0.86      
9 A 153 146 1.82      
10 A 75 72 0.87      
11 B 3224 3069 2.80      
12 B 1363 1298 1.55      
13 B 1241 1182 34.76      
14 B 1103 1050 6.13      
15 B 722 687 114.68      
16 B 397 377 18.31      
17 B 344 328 14.81      
18 B 311 296 9.63      

Unscaled Zero Point Vibrational Energy (zpe) 9248.4 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 8804.4 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 B2PLYP=FULL/3-21G
ABC
0.08961 0.05841 0.03686

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.232 0.722 0.448
C2 0.232 -0.722 0.448
H3 -1.306 0.819 0.344
H4 1.306 -0.819 0.344
F5 0.232 1.324 1.613
F6 -0.232 -1.324 1.613
Cl7 0.538 1.609 -1.032
Cl8 -0.538 -1.609 -1.032

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51691.08412.18001.39012.35411.88972.7789
C21.51692.18001.08412.35411.39012.77891.8897
H31.08412.18003.08412.05622.71222.43332.8956
H42.18001.08413.08412.71222.05622.89562.4333
F51.39012.35412.05622.71222.68732.67814.0238
F62.35411.39012.71222.05622.68734.02382.6781
Cl71.88972.77892.43332.89562.67814.02383.3939
Cl82.77891.88972.89562.43334.02382.67813.3939

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 112.828 C1 C2 F6 108.073
C1 C2 Cl8 108.829 C2 C1 H3 112.828
C2 C1 F5 108.073 C2 C1 Cl7 108.829
H3 C1 F5 111.817 H3 C1 Cl7 106.660
H4 C2 F6 111.817 H4 C2 Cl8 106.660
F5 C1 Cl7 108.520 F6 C2 Cl8 108.520
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability