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

using model chemistry: CCSD/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 CCSD/cc-pVTZ
 hartrees
Energy at 0K-1196.149472
Energy at 298.15K-1196.153026
HF Energy-1194.905360
Nuclear repulsion energy376.884437
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/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 3157 2972 0.00      
2 Ag 1441 1356 0.00      
3 Ag 1339 1260 0.00      
4 Ag 1172 1103 0.00      
5 Ag 1119 1053 0.00      
6 Ag 856 805 0.00      
7 Ag 530 499 0.00      
8 Ag 384 361 0.00      
9 Ag 275 259 0.00      
10 Au 3169 2982 10.10      
11 Au 1355 1276 18.41      
12 Au 1259 1185 38.67      
13 Au 1171 1103 243.49      
14 Au 806 758 191.85      
15 Au 411 387 3.40      
16 Au 376 354 26.45      
17 Au 176 165 0.92      
18 Au 75 71 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 9534.5 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 8973.9 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/cc-pVTZ
ABC
0.13537 0.04935 0.03736

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

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 1.013 0.000 -1.152
H4 -1.013 0.000 1.152
F5 -0.664 -1.091 -1.202
F6 0.664 1.091 1.202
Cl7 -0.819 1.458 -1.350
Cl8 0.819 -1.458 1.350

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52241.08572.16501.35142.34221.77322.6936
C21.52242.16501.08572.34221.35142.69361.7732
H31.08572.16503.06822.00152.61812.34992.9027
H42.16501.08573.06822.61812.00152.90272.3499
F51.35142.34222.00152.61813.50812.55862.9745
F62.34221.35142.61812.00153.50812.97452.5586
Cl71.77322.69362.34992.90272.55862.97454.2990
Cl82.69361.77322.90272.34992.97452.55864.2990

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 111.109 C1 C2 F6 109.031
C1 C2 Cl8 109.397 C2 C1 H3 111.109
C2 C1 F5 109.031 C2 C1 Cl7 109.397
H3 C1 F5 109.943 H3 C1 Cl7 108.141
H4 C2 F6 109.943 H4 C2 Cl8 108.141
F5 C1 Cl7 109.192 F6 C2 Cl8 109.192
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability