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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-1195.607993
Energy at 298.15K-1195.611566
HF Energy-1194.718902
Nuclear repulsion energy376.302456
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 MP3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3205 3008 0.00      
2 Ag 1462 1372 0.00      
3 Ag 1391 1306 0.00      
4 Ag 1182 1109 0.00      
5 Ag 1142 1072 0.00      
6 Ag 882 828 0.00      
7 Ag 534 501 0.00      
8 Ag 388 365 0.00      
9 Ag 280 263 0.00      
10 Au 3215 3017 11.71      
11 Au 1379 1295 40.32      
12 Au 1297 1218 31.31      
13 Au 1181 1108 228.35      
14 Au 827 776 186.01      
15 Au 413 388 4.89      
16 Au 381 357 32.48      
17 Au 179 168 1.41      
18 Au 82 77 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 9709.6 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 9113.4 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 MP3/6-31G*
ABC
0.13456 0.04935 0.03731

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

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 1.016 0.000 -1.154
H4 -1.016 0.000 1.154
F5 -0.663 -1.114 -1.189
F6 0.663 1.114 1.189
Cl7 -0.838 1.440 -1.358
Cl8 0.838 -1.440 1.358

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52211.08982.16831.36512.34171.76942.6956
C21.52212.16831.08982.34171.36512.69561.7694
H31.08982.16833.07602.01532.61882.35612.9014
H42.16831.08983.07602.61882.01532.90142.3561
F51.36512.34172.01532.61883.51822.56512.9745
F62.34171.36512.61882.01533.51822.97452.5651
Cl71.76942.69562.35612.90142.56512.97454.2985
Cl82.69561.76942.90142.35612.97452.56514.2985

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 111.153 C1 C2 F6 108.281
C1 C2 Cl8 109.733 C2 C1 H3 111.153
C2 C1 F5 108.281 C2 C1 Cl7 109.733
H3 C1 F5 109.846 H3 C1 Cl7 108.642
H4 C2 F6 109.846 H4 C2 Cl8 108.642
F5 C1 Cl7 109.162 F6 C2 Cl8 109.162
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability