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

using model chemistry: MP4=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 MP4=FULL/cc-pVDZ
 hartrees
Energy at 0K-1195.778798
Energy at 298.15K-1195.782280
HF Energy-1194.776080
Nuclear repulsion energy375.329206
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 MP4=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 3134 3024        
2 A 1402 1353        
3 A 1293 1248        
4 A 1147 1106        
5 A 1080 1042        
6 A 840 810        
7 A 458 442        
8 A 311 300        
9 A 166 160        
10 A 81 78        
11 B 3144 3034        
12 B 1341 1294        
13 B 1223 1180        
14 B 1094 1055        
15 B 830 801        
16 B 430 415        
17 B 388 374        
18 B 333 322        

Unscaled Zero Point Vibrational Energy (zpe) 9345.9 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 9019.7 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 MP4=FULL/cc-pVDZ
ABC
0.09657 0.06012 0.03852

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.226 0.732 0.403
C2 0.226 -0.732 0.403
H3 -1.325 0.808 0.360
H4 1.325 -0.808 0.360
F5 0.226 1.302 1.564
F6 -0.226 -1.302 1.564
Cl7 0.461 1.605 -0.992
Cl8 -0.461 -1.605 -0.992

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53281.10262.18631.36962.34211.78342.7325
C21.53282.18631.10262.34211.36962.73251.7834
H31.10262.18633.10392.02452.66622.37782.8980
H42.18631.10263.10392.66622.02452.89802.3778
F51.36962.34212.02452.66622.64262.58453.9314
F62.34211.36962.66622.02452.64263.93142.5845
Cl71.78342.73252.37782.89802.58453.93143.3406
Cl82.73251.78342.89802.37783.93142.58453.3406

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 111.061 C1 C2 F6 107.462
C1 C2 Cl8 110.746 C2 C1 H3 111.061
C2 C1 F5 107.462 C2 C1 Cl7 110.746
H3 C1 F5 109.482 H3 C1 Cl7 108.656
H4 C2 F6 109.482 H4 C2 Cl8 108.656
F5 C1 Cl7 109.411 F6 C2 Cl8 109.411
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability