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

using model chemistry: B2PLYP=FULL/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-1197.261271
Energy at 298.15K-1197.264749
HF Energy-1196.819068
Nuclear repulsion energy377.438315
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/aug-cc-pVTZ
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 3142 3015 0.06      
2 A 1405 1348 4.68      
3 A 1297 1244 8.50      
4 A 1129 1083 102.74      
5 A 1065 1022 164.90      
6 A 832 798 95.87      
7 A 458 440 1.07      
8 A 311 299 1.22      
9 A 165 159 0.36      
10 A 76 73 0.58      
11 B 3154 3026 6.98      
12 B 1347 1292 5.35      
13 B 1243 1193 22.22      
14 B 1070 1027 27.52      
15 B 824 790 91.41      
16 B 435 417 10.62      
17 B 388 372 7.12      
18 B 332 319 9.59      

Unscaled Zero Point Vibrational Energy (zpe) 9336.8 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 8957.7 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/aug-cc-pVTZ
ABC
0.09799 0.06058 0.03892

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.224 0.727 0.399
C2 0.224 -0.727 0.399
H3 -1.305 0.812 0.356
H4 1.305 -0.812 0.356
F5 0.224 1.301 1.553
F6 -0.224 -1.301 1.553
Cl7 0.467 1.596 -0.984
Cl8 -0.467 -1.596 -0.984

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52221.08492.17011.36372.33311.77382.7151
C21.52222.17011.08492.33311.36372.71511.7738
H31.08492.17013.07382.00202.65782.35602.8806
H42.17011.08493.07382.65782.00202.88062.3560
F51.36372.33312.00202.65782.63982.56553.9122
F62.33311.36372.65782.00202.63983.91222.5655
Cl71.77382.71512.35602.88062.56553.91223.3261
Cl82.71511.77382.88062.35603.91222.56553.3261

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 111.585 C1 C2 F6 107.763
C1 C2 Cl8 110.693 C2 C1 H3 111.585
C2 C1 F5 107.763 C2 C1 Cl7 110.693
H3 C1 F5 109.156 H3 C1 Cl7 108.594
H4 C2 F6 109.156 H4 C2 Cl8 108.594
F5 C1 Cl7 109.007 F6 C2 Cl8 109.007
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability