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

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-1195.796335
Energy at 298.15K-1195.799935
HF Energy-1194.839422
Nuclear repulsion energy378.320801
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 MP2/6-311G*
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 3179 3021 0.60      
2 A 1445 1374 8.12      
3 A 1358 1291 18.00      
4 A 1163 1105 107.27      
5 A 1103 1048 155.93      
6 A 875 832 89.68      
7 A 476 452 0.64      
8 A 322 306 1.43      
9 A 174 165 0.78      
10 A 86 82 0.61      
11 B 3190 3031 14.31      
12 B 1392 1323 12.85      
13 B 1286 1222 29.30      
14 B 1111 1056 23.21      
15 B 865 822 108.35      
16 B 445 423 12.69      
17 B 404 384 8.46      
18 B 343 326 11.56      

Unscaled Zero Point Vibrational Energy (zpe) 9609.2 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 9131.6 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 MP2/6-311G*
ABC
0.09836 0.06094 0.03911

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.224 0.728 0.395
C2 0.224 -0.728 0.395
H3 -1.311 0.803 0.361
H4 1.311 -0.803 0.361
F5 0.224 1.293 1.551
F6 -0.224 -1.293 1.551
Cl7 0.454 1.596 -0.982
Cl8 -0.454 -1.596 -0.982

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52351.09002.16891.36292.32811.76362.7109
C21.52352.16891.09002.32811.36292.71091.7636
H31.09002.16893.07552.00382.64402.35582.8797
H42.16891.09003.07552.64402.00382.87972.3558
F51.36292.32812.00382.64402.62392.56193.9015
F62.32811.36292.64402.00382.62393.90152.5619
Cl71.76362.71092.35582.87972.56193.90153.3184
Cl82.71091.76362.87972.35583.90152.56193.3184

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 111.081 C1 C2 F6 107.390
C1 C2 Cl8 110.906 C2 C1 H3 111.081
C2 C1 F5 107.390 C2 C1 Cl7 110.906
H3 C1 F5 109.046 H3 C1 Cl7 108.995
H4 C2 F6 109.046 H4 C2 Cl8 108.995
F5 C1 Cl7 109.382 F6 C2 Cl8 109.382
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability