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

using model chemistry: MP4/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at MP4/cc-pVDZ
 hartrees
Energy at 0K-1195.759995
Energy at 298.15K-1195.763445
HF Energy-1194.777129
Nuclear repulsion energy373.418088
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 MP4/cc-pVDZ
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 3132 3028        
2 Ag 1403 1356        
3 Ag 1309 1266        
4 Ag 1142 1104        
5 Ag 1086 1050        
6 Ag 835 807        
7 Ag 514 497        
8 Ag 374 361        
9 Ag 271 262        
10 Au 3142 3038        
11 Au 1319 1275        
12 Au 1227 1186        
13 Au 1129 1092        
14 Au 782 756        
15 Au 400 386        
16 Au 364 352        
17 Au 172 166        
18 Au 73 70        

Unscaled Zero Point Vibrational Energy (zpe) 9334.7 cm-1
Scaled (by 0.9669) Zero Point Vibrational Energy (zpe) 9025.8 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 MP4/cc-pVDZ
ABC
0.13241 0.04860 0.03673

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.767
C2 0.000 0.000 0.767
H3 1.031 0.000 -1.161
H4 -1.031 0.000 1.161
F5 -0.671 -1.104 -1.212
F6 0.671 1.104 1.212
Cl7 -0.821 1.476 -1.357
Cl8 0.821 -1.476 1.357

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53351.10322.18551.36662.36331.78932.7137
C21.53352.18551.10322.36331.36662.71371.7893
H31.10322.18553.10412.02912.64152.37622.9259
H42.18551.10323.10412.64152.02912.92592.3762
F51.36662.36332.02912.64153.54312.58822.9946
F62.36331.36662.64152.02913.54312.99462.5882
Cl71.78932.71372.37622.92592.58822.99464.3335
Cl82.71371.78932.92592.37622.99462.58824.3335

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 110.912 C1 C2 F6 109.022
C1 C2 Cl8 109.269 C2 C1 H3 110.912
C2 C1 F5 109.022 C2 C1 Cl7 109.269
H3 C1 F5 110.026 H3 C1 Cl7 108.122
H4 C2 F6 110.026 H4 C2 Cl8 108.122
F5 C1 Cl7 109.469 F6 C2 Cl8 109.469
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability