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

using model chemistry: CCSD(T)/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 CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-1195.756655
Energy at 298.15K-1195.760120
HF Energy-1194.777441
Nuclear repulsion energy373.693663
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 CCSD(T)/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 3134 3067        
2 Ag 1409 1379        
3 Ag 1312 1284        
4 Ag 1148 1124        
5 Ag 1093 1070        
6 Ag 836 818        
7 Ag 517 506        
8 Ag 375 367        
9 Ag 272 266        
10 Au 3143 3077        
11 Au 1323 1295        
12 Au 1229 1203        
13 Au 1141 1117        
14 Au 784 767        
15 Au 402 393        
16 Au 366 358        
17 Au 172 169        
18 Au 73 72        

Unscaled Zero Point Vibrational Energy (zpe) 9364.0 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 9165.5 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 CCSD(T)/cc-pVDZ
ABC
0.13286 0.04861 0.03677

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/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 1.030 0.000 -1.160
H4 -1.030 0.000 1.160
F5 -0.671 -1.101 -1.211
F6 0.671 1.101 1.211
Cl7 -0.822 1.475 -1.358
Cl8 0.822 -1.475 1.358

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53321.10272.18471.36392.36051.78872.7134
C21.53322.18471.10272.36051.36392.71341.7887
H31.10272.18473.10282.02712.63852.37552.9253
H42.18471.10273.10282.63852.02712.92532.3755
F51.36392.36052.02712.63853.53752.58482.9937
F62.36051.36392.63852.02713.53752.99372.5848
Cl71.78872.71342.37552.92532.58482.99374.3328
Cl82.71341.78872.92532.37552.99372.58484.3328

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 110.903 C1 C2 F6 108.995
C1 C2 Cl8 109.294 C2 C1 H3 110.903
C2 C1 F5 108.995 C2 C1 Cl7 109.294
H3 C1 F5 110.082 H3 C1 Cl7 108.131
H4 C2 F6 110.082 H4 C2 Cl8 108.131
F5 C1 Cl7 109.413 F6 C2 Cl8 109.413
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability