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

using model chemistry: MP3=FULL/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-1195.969087
Energy at 298.15K-1195.972699
HF Energy-1194.746714
Nuclear repulsion energy380.340322
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/6-31G(2df,p)
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 3199 3199 0.57      
2 A 1459 1459 12.59      
3 A 1344 1344 12.19      
4 A 1209 1209 184.27      
5 A 1132 1132 60.65      
6 A 873 873 65.52      
7 A 477 477 0.70      
8 A 321 321 1.24      
9 A 170 170 0.51      
10 A 84 84 0.66      
11 B 3210 3210 8.38      
12 B 1399 1399 6.60      
13 B 1273 1273 27.45      
14 B 1180 1180 20.54      
15 B 870 870 96.06      
16 B 447 447 10.55      
17 B 403 403 7.01      
18 B 344 344 11.37      

Unscaled Zero Point Vibrational Energy (zpe) 9696.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9696.6 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 MP3=FULL/6-31G(2df,p)
ABC
0.09974 0.06127 0.03950

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.220 0.728 0.395
C2 0.220 -0.728 0.395
H3 -1.302 0.804 0.340
H4 1.302 -0.804 0.340
F5 0.220 1.276 1.539
F6 -0.220 -1.276 1.539
Cl7 0.478 1.590 -0.974
Cl8 -0.478 -1.590 -0.974

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52091.08622.16091.34292.30751.76232.7044
C21.52092.16091.08622.30751.34292.70441.7623
H31.08622.16093.06151.99472.63382.34822.8530
H42.16091.08623.06152.63381.99472.85302.3482
F51.34292.30751.99472.63382.59022.54573.8754
F62.30751.34292.63381.99472.59023.87542.5457
Cl71.76232.70442.34822.85302.54573.87543.3206
Cl82.70441.76232.85302.34823.87542.54573.3206

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 110.856 C1 C2 F6 107.201
C1 C2 Cl8 110.699 C2 C1 H3 110.856
C2 C1 F5 107.201 C2 C1 Cl7 110.699
H3 C1 F5 109.957 H3 C1 Cl7 108.722
H4 C2 F6 109.957 H4 C2 Cl8 108.722
F5 C1 Cl7 109.390 F6 C2 Cl8 109.390
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability