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

using model chemistry: B2PLYP=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B2PLYP=FULL/6-31G*
 hartrees
Energy at 0K-1196.917770
Energy at 298.15K-1196.921254
HF Energy-1196.624467
Nuclear repulsion energy376.250731
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 B2PLYP=FULL/6-31G*
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 3177 3013 0.79      
2 A 1436 1362 8.00      
3 A 1340 1271 25.08      
4 A 1153 1093 147.56      
5 A 1100 1043 101.42      
6 A 846 802 93.00      
7 A 459 436 2.26      
8 A 316 300 1.30      
9 A 165 157 0.72      
10 A 81 77 0.64      
11 B 3188 3023 14.52      
12 B 1379 1308 8.15      
13 B 1272 1206 33.60      
14 B 1117 1059 22.11      
15 B 831 788 115.77      
16 B 437 415 11.99      
17 B 389 369 8.23      
18 B 338 320 11.87      

Unscaled Zero Point Vibrational Energy (zpe) 9511.0 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 9020.2 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 B2PLYP=FULL/6-31G*
ABC
0.09779 0.05987 0.03858

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.227 0.728 0.395
C2 0.227 -0.728 0.395
H3 -1.313 0.807 0.353
H4 1.313 -0.807 0.353
F5 0.227 1.282 1.557
F6 -0.227 -1.282 1.557
Cl7 0.458 1.621 -0.984
Cl8 -0.458 -1.621 -0.984

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52581.08952.17441.36492.32201.78002.7341
C21.52582.17441.08952.32201.36492.73411.7800
H31.08952.17443.08142.01132.64402.36412.9003
H42.17441.08953.08142.64402.01132.90032.3641
F51.36492.32202.01132.64402.60332.57463.9185
F62.32201.36492.64402.01132.60333.91852.5746
Cl71.78002.73412.36412.90032.57463.91853.3690
Cl82.73411.78002.90032.36413.91852.57463.3690

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 111.398 C1 C2 F6 106.757
C1 C2 Cl8 111.364 C2 C1 H3 111.398
C2 C1 F5 106.757 C2 C1 Cl7 111.364
H3 C1 F5 109.558 H3 C1 Cl7 108.540
H4 C2 F6 109.558 H4 C2 Cl8 108.540
F5 C1 Cl7 109.186 F6 C2 Cl8 109.186
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability