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

using model chemistry: MP3=FULL/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 MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-1196.266499
Energy at 298.15K-1196.270120
HF Energy-1194.904957
Nuclear repulsion energy380.144405
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 MP3=FULL/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 3197 2981 0.22      
2 A 1453 1355 12.78      
3 A 1338 1248 8.08      
4 A 1196 1116 180.99      
5 A 1122 1046 85.78      
6 A 869 811 69.41      
7 A 476 444 0.47      
8 A 322 301 1.37      
9 A 171 159 0.50      
10 A 84 78 0.60      
11 B 3209 2993 8.84      
12 B 1392 1298 5.91      
13 B 1270 1184 25.23      
14 B 1161 1083 26.96      
15 B 868 809 92.42      
16 B 447 417 11.04      
17 B 404 377 7.39      
18 B 340 317 11.44      

Unscaled Zero Point Vibrational Energy (zpe) 9659.9 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 9008.8 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 MP3=FULL/cc-pVTZ
ABC
0.09938 0.06141 0.03947

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.222 0.725 0.400
C2 0.222 -0.725 0.400
H3 -1.297 0.800 0.353
H4 1.297 -0.800 0.353
F5 0.222 1.290 1.541
F6 -0.222 -1.290 1.541
Cl7 0.465 1.586 -0.978
Cl8 -0.465 -1.586 -0.978

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51651.07872.15271.34782.31531.76342.7012
C21.51652.15271.07872.31531.34782.70121.7634
H31.07872.15273.04751.98912.63332.34322.8555
H42.15271.07873.04752.63331.98912.85552.3432
F51.34782.31531.98912.63332.61722.54723.8834
F62.31531.34782.63331.98912.61723.88342.5472
Cl71.76342.70122.34322.85552.54723.88343.3050
Cl82.70121.76342.85552.34323.88342.54723.3050

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 110.971 C1 C2 F6 107.721
C1 C2 Cl8 110.664 C2 C1 H3 110.971
C2 C1 F5 107.721 C2 C1 Cl7 110.664
H3 C1 F5 109.620 H3 C1 Cl7 108.659
H4 C2 F6 109.620 H4 C2 Cl8 108.659
F5 C1 Cl7 109.183 F6 C2 Cl8 109.183
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability