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

using model chemistry: MP4=FULL/cc-pVTZ

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=FULL/cc-pVTZ
 hartrees
Energy at 0K-1196.327944
Energy at 298.15K-1196.331440
HF Energy-1194.904890
Nuclear repulsion energy376.855744
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=FULL/cc-pVTZ
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 3143 3027        
2 Ag 1414 1362        
3 Ag 1320 1271        
4 Ag 1148 1105        
5 Ag 1091 1051        
6 Ag 841 810        
7 Ag 521 501        
8 Ag 377 363        
9 Ag 272 262        
10 Au 3156 3039        
11 Au 1338 1288        
12 Au 1242 1196        
13 Au 1131 1089        
14 Au 793 763        
15 Au 404 389        
16 Au 367 354        
17 Au 174 167        
18 Au 76 74        

Unscaled Zero Point Vibrational Energy (zpe) 9404.1 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 9055.2 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=FULL/cc-pVTZ
ABC
0.13458 0.04955 0.03741

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

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.759
C2 0.000 0.000 0.759
H3 1.010 0.000 -1.149
H4 -1.010 0.000 1.149
F5 -0.669 -1.096 -1.201
F6 0.669 1.096 1.201
Cl7 -0.819 1.461 -1.342
Cl8 0.819 -1.461 1.342

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51741.08292.15871.35792.34281.77322.6864
C21.51742.15871.08292.34281.35792.68641.7732
H31.08292.15873.05982.00562.61542.34852.8940
H42.15871.08293.05982.61542.00562.89402.3485
F51.35792.34282.00562.61543.51602.56482.9686
F62.34281.35792.61542.00563.51602.96862.5648
Cl71.77322.68642.34852.89402.56482.96864.2917
Cl82.68641.77322.89402.34852.96862.56484.2917

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 111.133 C1 C2 F6 109.003
C1 C2 Cl8 109.203 C2 C1 H3 111.133
C2 C1 F5 109.003 C2 C1 Cl7 109.203
H3 C1 F5 110.000 H3 C1 Cl7 108.193
H4 C2 F6 110.000 H4 C2 Cl8 108.193
F5 C1 Cl7 109.281 F6 C2 Cl8 109.281
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability