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All results from a given calculation for CHFClCHClF (ethane, 1,2-dichloro-1,2-difluoro-)

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-1195.797343
Energy at 298.15K-1195.800922
HF Energy-1194.840688
Nuclear repulsion energy376.831478
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 MP2/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3179 3021 0.00      
2 Ag 1446 1374 0.00      
3 Ag 1376 1308 0.00      
4 Ag 1160 1103 0.00      
5 Ag 1111 1055 0.00      
6 Ag 874 830 0.00      
7 Ag 530 504 0.00      
8 Ag 389 370 0.00      
9 Ag 281 267 0.00      
10 Au 3190 3031 14.59      
11 Au 1368 1300 33.27      
12 Au 1292 1228 33.82      
13 Au 1143 1086 255.92      
14 Au 819 778 209.18      
15 Au 417 396 3.86      
16 Au 382 363 30.40      
17 Au 180 171 1.48      
18 Au 79 75 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 9607.0 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 9129.5 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 MP2/6-311G*
ABC
0.13433 0.04960 0.03742

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.761
C2 0.000 0.000 0.761
H3 1.018 0.000 -1.151
H4 -1.018 0.000 1.151
F5 -0.653 -1.109 -1.201
F6 0.653 1.109 1.201
Cl7 -0.832 1.442 -1.351
Cl8 0.832 -1.442 1.351

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52271.09012.16651.36052.34711.76612.6894
C21.52272.16651.09012.34711.36052.68941.7661
H31.09012.16653.07332.00672.62602.35412.8937
H42.16651.09013.07332.62602.00672.89372.3541
F51.36052.34712.00672.62603.52142.56212.9714
F62.34711.36052.62602.00673.52142.97142.5621
Cl71.76612.68942.35412.89372.56212.97144.2879
Cl82.68941.76612.89372.35412.97142.56214.2879

picture of ethane, 1,2-dichloro-1,2-difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 110.943 C1 C2 F6 108.857
C1 C2 Cl8 109.496 C2 C1 H3 110.943
C2 C1 F5 108.857 C2 C1 Cl7 109.496
H3 C1 F5 109.454 H3 C1 Cl7 108.699
H4 C2 F6 109.454 H4 C2 Cl8 108.699
F5 C1 Cl7 109.372 F6 C2 Cl8 109.372
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability