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

using model chemistry: CID/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 CID/6-31G
 hartrees
Energy at 0K-1195.038540
Energy at 298.15K-1195.041970
HF Energy-1194.577222
Nuclear repulsion energy367.583375
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 CID/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 3277 3065 0.89      
2 A 1464 1369 1.49      
3 A 1354 1266 24.27      
4 A 1188 1111 36.26      
5 A 1091 1020 149.61      
6 A 820 767 72.84      
7 A 441 412 1.37      
8 A 309 289 2.01      
9 A 164 153 1.39      
10 A 78 73 1.24      
11 B 3288 3075 2.07      
12 B 1385 1296 8.60      
13 B 1305 1221 28.34      
14 B 1095 1024 12.41      
15 B 806 754 115.38      
16 B 419 392 20.07      
17 B 377 353 13.49      
18 B 337 315 18.52      

Unscaled Zero Point Vibrational Energy (zpe) 9599.9 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 8977.8 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 CID/6-31G
ABC
0.09305 0.05736 0.03678

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.245 0.718 0.414
C2 0.245 -0.718 0.414
H3 -1.325 0.797 0.396
H4 1.325 -0.797 0.396
F5 0.245 1.314 1.594
F6 -0.245 -1.314 1.594
Cl7 0.432 1.667 -1.013
Cl8 -0.432 -1.667 -1.013

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51621.08342.18141.40952.34881.84332.7856
C21.51622.18141.08342.34881.40952.78561.8433
H31.08342.18143.09272.04112.65662.41472.9759
H42.18141.08343.09272.65662.04112.97592.4147
F51.40952.34882.04112.65662.67222.63794.0175
F62.34881.40952.65662.04112.67224.01752.6379
Cl71.84332.78562.41472.97592.63794.01753.4444
Cl82.78561.84332.97592.41474.01752.63793.4444

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 113.047 C1 C2 F6 106.745
C1 C2 Cl8 111.657 C2 C1 H3 113.047
C2 C1 F5 106.745 C2 C1 Cl7 111.657
H3 C1 F5 109.224 H3 C1 Cl7 108.374
H4 C2 F6 109.224 H4 C2 Cl8 108.374
F5 C1 Cl7 107.633 F6 C2 Cl8 107.633
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability