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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-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 MP3=FULL/cc-pVDZ
 hartrees
Energy at 0K-1195.742034
Energy at 298.15K-1195.745605
HF Energy-1194.777306
Nuclear repulsion energy376.822443
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-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 3185 2995 0.83      
2 A 1436 1350 16.68      
3 A 1319 1241 14.58      
4 A 1182 1112 178.49      
5 A 1112 1046 94.20      
6 A 861 809 66.95      
7 A 470 442 0.53      
8 A 319 299 1.34      
9 A 168 158 0.79      
10 A 82 77 0.65      
11 B 3195 3004 14.96      
12 B 1369 1288 6.00      
13 B 1246 1172 33.29      
14 B 1148 1080 28.05      
15 B 857 805 100.70      
16 B 440 414 12.23      
17 B 399 375 8.10      
18 B 340 320 12.58      

Unscaled Zero Point Vibrational Energy (zpe) 9564.1 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 8993.1 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=FULL/cc-pVDZ
ABC
0.09777 0.06030 0.03877

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.225 0.732 0.402
C2 0.225 -0.732 0.402
H3 -1.320 0.806 0.359
H4 1.320 -0.806 0.359
F5 0.225 1.296 1.554
F6 -0.225 -1.296 1.554
Cl7 0.459 1.605 -0.986
Cl8 -0.459 -1.605 -0.986

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53071.09822.17971.35902.33161.77692.7278
C21.53072.17971.09822.33161.35902.72781.7769
H31.09822.17973.09262.01322.65382.36912.8916
H42.17971.09823.09262.65382.01322.89162.3691
F51.35902.33162.01322.65382.63022.56903.9157
F62.33161.35902.65382.01322.63023.91572.5690
Cl71.77692.72782.36912.89162.56903.91573.3392
Cl82.72781.77692.89162.36913.91572.56903.3392

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 110.952 C1 C2 F6 107.433
C1 C2 Cl8 110.901 C2 C1 H3 110.952
C2 C1 F5 107.433 C2 C1 Cl7 110.901
H3 C1 F5 109.575 H3 C1 Cl7 108.666
H4 C2 F6 109.575 H4 C2 Cl8 108.666
F5 C1 Cl7 109.290 F6 C2 Cl8 109.290
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability