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

using model chemistry: B2PLYP=FULLultrafine/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=FULLultrafine/3-21G
 hartrees
Energy at 0K-1190.895316
Energy at 298.15K 
HF Energy-1190.717806
Nuclear repulsion energy366.330172
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/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 3210 0.98      
2 A 1434 1434 3.60      
3 A 1297 1297 19.42      
4 A 1144 1144 144.33      
5 A 1058 1058 53.29      
6 A 748 748 76.22      
7 A 397 397 7.82      
8 A 277 277 0.86      
9 A 153 153 1.81      
10 A 74 74 0.87      
11 B 3223 3223 2.79      
12 B 1364 1364 1.53      
13 B 1241 1241 34.74      
14 B 1103 1103 6.09      
15 B 722 722 114.78      
16 B 397 397 18.10      
17 B 344 344 14.81      
18 B 311 311 9.82      

Unscaled Zero Point Vibrational Energy (zpe) 9247.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9247.1 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/3-21G
ABC
0.08962 0.05840 0.03686

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.231 0.722 0.448
C2 0.231 -0.722 0.448
H3 -1.306 0.820 0.342
H4 1.306 -0.820 0.342
F5 0.231 1.323 1.613
F6 -0.231 -1.323 1.613
Cl7 0.541 1.609 -1.032
Cl8 -0.541 -1.609 -1.032

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51701.08412.18011.39002.35441.88982.7785
C21.51702.18011.08412.35441.39002.77851.8898
H31.08412.18013.08392.05612.71382.43342.8938
H42.18011.08413.08392.71382.05612.89382.4334
F51.39002.35442.05612.71382.68682.67824.0235
F62.35441.39002.71382.05612.68684.02352.6782
Cl71.88982.77852.43342.89382.67824.02353.3947
Cl82.77851.88982.89382.43344.02352.67823.3947

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 112.832 C1 C2 F6 108.092
C1 C2 Cl8 108.798 C2 C1 H3 112.832
C2 C1 F5 108.092 C2 C1 Cl7 108.798
H3 C1 F5 111.819 H3 C1 Cl7 106.660
H4 C2 F6 111.819 H4 C2 Cl8 106.660
F5 C1 Cl7 108.524 F6 C2 Cl8 108.524
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability