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

using model chemistry: B2PLYP=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 B2PLYP=FULL/6-31G
 hartrees
Energy at 0K-1196.684731
Energy at 298.15K-1196.687998
HF Energy-1196.506947
Nuclear repulsion energy366.211988
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/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 3219 3219 0.65      
2 A 1414 1414 0.99      
3 A 1308 1308 19.11      
4 A 1144 1144 28.78      
5 A 1037 1037 161.47      
6 A 780 780 85.85      
7 A 420 420 3.54      
8 A 297 297 1.74      
9 A 158 158 1.39      
10 A 74 74 0.98      
11 B 3231 3231 2.57      
12 B 1344 1344 6.21      
13 B 1259 1259 28.14      
14 B 1034 1034 13.09      
15 B 758 758 114.64      
16 B 406 406 18.47      
17 B 359 359 12.86      
18 B 322 322 14.48      

Unscaled Zero Point Vibrational Energy (zpe) 9281.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9281.4 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/6-31G
ABC
0.09157 0.05736 0.03659

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.242 0.718 0.420
C2 0.242 -0.718 0.420
H3 -1.323 0.808 0.384
H4 1.323 -0.808 0.384
F5 0.242 1.317 1.606
F6 -0.242 -1.317 1.606
Cl7 0.457 1.659 -1.021
Cl8 -0.457 -1.659 -1.021

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51601.08582.18671.41422.35611.85732.7884
C21.51602.18671.08582.35611.41422.78841.8573
H31.08582.18673.10132.05002.68002.42222.9686
H42.18671.08583.10132.68002.05002.96862.4222
F51.41422.35612.05002.68002.67862.65814.0311
F62.35611.41422.68002.05002.67864.03112.6581
Cl71.85732.78842.42222.96862.65814.03113.4417
Cl82.78841.85732.96862.42224.03112.65813.4417

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 113.348 C1 C2 F6 106.995
C1 C2 Cl8 111.098 C2 C1 H3 113.348
C2 C1 F5 106.995 C2 C1 Cl7 111.098
H3 C1 F5 109.471 H3 C1 Cl7 107.881
H4 C2 F6 109.471 H4 C2 Cl8 107.881
F5 C1 Cl7 107.917 F6 C2 Cl8 107.917
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability