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

using model chemistry: MP2=FULL/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=FULL/cc-pVDZ
 hartrees
Energy at 0K-1195.712581
Energy at 298.15K-1195.716127
HF Energy-1194.776815
Nuclear repulsion energy377.033311
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=FULL/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 3171 3013 0.80      
2 A 1414 1344 11.81      
3 A 1306 1241 14.50      
4 A 1162 1105 126.20      
5 A 1096 1042 144.32      
6 A 858 816 75.66      
7 A 468 445 0.73      
8 A 316 300 1.20      
9 A 168 160 0.80      
10 A 83 79 0.57      
11 B 3181 3023 15.61      
12 B 1353 1286 5.91      
13 B 1236 1175 31.94      
14 B 1113 1057 25.06      
15 B 850 808 101.23      
16 B 437 415 11.31      
17 B 395 376 7.76      
18 B 338 321 12.23      

Unscaled Zero Point Vibrational Energy (zpe) 9473.1 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 9003.2 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=FULL/cc-pVDZ
ABC
0.09736 0.06076 0.03889

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.226 0.730 0.401
C2 0.226 -0.730 0.401
H3 -1.322 0.803 0.359
H4 1.322 -0.803 0.359
F5 0.226 1.299 1.558
F6 -0.226 -1.299 1.558
Cl7 0.456 1.595 -0.988
Cl8 -0.456 -1.595 -0.988

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52821.09952.17871.36572.33551.77272.7184
C21.52822.17871.09952.33551.36572.71841.7727
H31.09952.17873.09332.01902.65652.36712.8839
H42.17871.09953.09332.65652.01902.88392.3671
F51.36572.33552.01902.65652.63652.57323.9143
F62.33551.36572.65652.01902.63653.91432.5732
Cl71.77272.71842.36712.88392.57323.91433.3188
Cl82.71841.77272.88392.36713.91432.57323.3188

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 110.969 C1 C2 F6 107.485
C1 C2 Cl8 110.667 C2 C1 H3 110.969
C2 C1 F5 107.485 C2 C1 Cl7 110.667
H3 C1 F5 109.495 H3 C1 Cl7 108.737
H4 C2 F6 109.495 H4 C2 Cl8 108.737
F5 C1 Cl7 109.466 F6 C2 Cl8 109.466
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability