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

using model chemistry: MP3/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/cc-pVTZ
 hartrees
Energy at 0K-1196.145152
Energy at 298.15K-1196.148744
HF Energy-1194.904757
Nuclear repulsion energy378.917794
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/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 3181 3005 0.22      
2 A 1443 1363 12.85      
3 A 1328 1255 8.91      
4 A 1189 1124 190.46      
5 A 1113 1052 76.64      
6 A 863 815 70.81      
7 A 473 446 0.56      
8 A 319 302 1.35      
9 A 169 160 0.49      
10 A 81 77 0.62      
11 B 3192 3016 8.94      
12 B 1380 1304 5.84      
13 B 1262 1192 26.47      
14 B 1157 1093 27.33      
15 B 860 813 93.83      
16 B 446 421 11.67      
17 B 401 379 7.28      
18 B 338 319 11.17      

Unscaled Zero Point Vibrational Energy (zpe) 9597.9 cm-1
Scaled (by 0.9447) Zero Point Vibrational Energy (zpe) 9067.1 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 MP3/cc-pVTZ
ABC
0.09888 0.06091 0.03922

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.221 0.729 0.400
C2 0.221 -0.729 0.400
H3 -1.301 0.811 0.348
H4 1.301 -0.811 0.348
F5 0.221 1.294 1.544
F6 -0.221 -1.294 1.544
Cl7 0.476 1.590 -0.979
Cl8 -0.476 -1.590 -0.979

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52411.08412.16571.35022.32451.76892.7105
C21.52412.16571.08412.32451.35022.71051.7689
H31.08412.16573.06551.99502.65122.35022.8645
H42.16571.08413.06552.65121.99502.86452.3502
F51.35022.32451.99502.65122.62572.55383.8951
F62.32451.35022.65121.99502.62573.89512.5538
Cl71.76892.71052.35022.86452.55383.89513.3189
Cl82.71051.76892.86452.35023.89512.55383.3189

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 111.140 C1 C2 F6 107.791
C1 C2 Cl8 110.576 C2 C1 H3 111.140
C2 C1 F5 107.791 C2 C1 Cl7 110.576
H3 C1 F5 109.594 H3 C1 Cl7 108.531
H4 C2 F6 109.594 H4 C2 Cl8 108.531
F5 C1 Cl7 109.187 F6 C2 Cl8 109.187
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability