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

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

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/6-31+G**
 hartrees
Energy at 0K-1196.952905
Energy at 298.15K-1196.956382
HF Energy-1196.647767
Nuclear repulsion energy375.943647
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/6-31+G**
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 3178 3022 0.11      
2 A 1411 1342 4.55      
3 A 1317 1252 17.82      
4 A 1131 1076 79.66      
5 A 1069 1016 198.61      
6 A 843 802 103.62      
7 A 461 438 0.86      
8 A 313 297 1.32      
9 A 166 158 0.57      
10 A 79 75 0.65      
11 B 3189 3033 7.15      
12 B 1351 1285 8.04      
13 B 1262 1200 26.00      
14 B 1067 1015 29.71      
15 B 834 793 103.80      
16 B 431 410 11.75      
17 B 389 370 9.23      
18 B 337 321 11.64      

Unscaled Zero Point Vibrational Energy (zpe) 9413.6 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 8952.3 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/6-31+G**
ABC
0.09758 0.05996 0.03854

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.233 0.727 0.398
C2 0.233 -0.727 0.398
H3 -1.318 0.802 0.381
H4 1.318 -0.802 0.381
F5 0.233 1.301 1.558
F6 -0.233 -1.301 1.558
Cl7 0.429 1.618 -0.988
Cl8 -0.429 -1.618 -0.988

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52691.08832.17821.37512.33621.77492.7311
C21.52692.17821.08832.33621.37512.73111.7749
H31.08832.17823.08642.00932.64322.36422.9198
H42.17821.08833.08642.64322.00932.91982.3642
F51.37512.33622.00932.64322.64262.57253.9289
F62.33621.37512.64322.00932.64263.92892.5725
Cl71.77492.73112.36422.91982.57253.92893.3483
Cl82.73111.77492.91982.36423.92892.57253.3483

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 111.698 C1 C2 F6 107.112
C1 C2 Cl8 111.397 C2 C1 H3 111.698
C2 C1 F5 107.112 C2 C1 Cl7 111.397
H3 C1 F5 108.748 H3 C1 Cl7 108.955
H4 C2 F6 108.748 H4 C2 Cl8 108.955
F5 C1 Cl7 108.847 F6 C2 Cl8 108.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability