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

using model chemistry: MP2/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2/cc-pVDZ
 hartrees
Energy at 0K-1195.691072
Energy at 298.15K-1195.694611
HF Energy-1194.776691
Nuclear repulsion energy376.722347
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 MP2/cc-pVDZ
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 3166 3016 0.80      
2 A 1412 1345 11.75      
3 A 1305 1243 14.71      
4 A 1160 1105 128.55      
5 A 1095 1043 141.85      
6 A 857 817 76.26      
7 A 468 445 0.74      
8 A 315 300 1.20      
9 A 168 160 0.80      
10 A 83 79 0.57      
11 B 3176 3025 15.66      
12 B 1351 1287 6.00      
13 B 1235 1177 32.03      
14 B 1112 1059 25.13      
15 B 849 809 101.71      
16 B 436 415 11.42      
17 B 395 376 7.73      
18 B 338 322 12.23      

Unscaled Zero Point Vibrational Energy (zpe) 9460.3 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 9010.9 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 MP2/cc-pVDZ
ABC
0.09722 0.06064 0.03883

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.226 0.731 0.401
C2 0.226 -0.731 0.401
H3 -1.323 0.805 0.359
H4 1.323 -0.805 0.359
F5 0.226 1.300 1.559
F6 -0.226 -1.300 1.559
Cl7 0.458 1.597 -0.988
Cl8 -0.458 -1.597 -0.988

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52961.10042.18101.36642.33711.77442.7210
C21.52962.18101.10042.33711.36642.72101.7744
H31.10042.18103.09642.02032.65922.36912.8865
H42.18101.10043.09642.65922.02032.88652.3691
F51.36642.33712.02032.65922.63792.57503.9173
F62.33711.36642.65922.02032.63793.91732.5750
Cl71.77442.72102.36912.88652.57503.91733.3228
Cl82.72101.77442.88652.36913.91732.57503.3228

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 110.994 C1 C2 F6 107.476
C1 C2 Cl8 110.665 C2 C1 H3 110.994
C2 C1 F5 107.476 C2 C1 Cl7 110.665
H3 C1 F5 109.502 H3 C1 Cl7 108.726
H4 C2 F6 109.502 H4 C2 Cl8 108.726
F5 C1 Cl7 109.457 F6 C2 Cl8 109.457
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability