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

using model chemistry: CCSD/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 CCSD/6-31G*
 hartrees
Energy at 0K-1195.618946
Energy at 298.15K-1195.622497
HF Energy-1194.718495
Nuclear repulsion energy375.847358
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/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 3174 2998 0.00      
2 Ag 1452 1371 0.00      
3 Ag 1382 1305 0.00      
4 Ag 1172 1107 0.00      
5 Ag 1131 1068 0.00      
6 Ag 877 829 0.00      
7 Ag 530 500 0.00      
8 Ag 386 364 0.00      
9 Ag 279 263 0.00      
10 Au 3185 3007 13.74      
11 Au 1369 1293 39.77      
12 Au 1290 1218 31.76      
13 Au 1165 1100 227.30      
14 Au 821 775 185.92      
15 Au 410 387 4.62      
16 Au 379 358 31.96      
17 Au 178 168 1.44      
18 Au 82 77 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 9630.3 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 9093.9 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/6-31G*
ABC
0.13410 0.04927 0.03724

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/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 1.018 0.000 -1.156
H4 -1.018 0.000 1.156
F5 -0.663 -1.118 -1.190
F6 0.663 1.118 1.190
Cl7 -0.839 1.439 -1.361
Cl8 0.839 -1.439 1.361

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52271.09192.17061.36862.34441.77062.6978
C21.52272.17061.09192.34441.36862.69781.7706
H31.09192.17063.08042.01942.62232.35872.9043
H42.17061.09193.08042.62232.01942.90432.3587
F51.36862.34442.01942.62233.52422.56912.9772
F62.34441.36862.62232.01943.52422.97722.5691
Cl71.77062.69782.35872.90432.56912.97724.3021
Cl82.69781.77062.90432.35872.97722.56914.3021

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 111.166 C1 C2 F6 108.240
C1 C2 Cl8 109.779 C2 C1 H3 111.166
C2 C1 F5 108.240 C2 C1 Cl7 109.779
H3 C1 F5 109.806 H3 C1 Cl7 108.647
H4 C2 F6 109.806 H4 C2 Cl8 108.647
F5 C1 Cl7 109.180 F6 C2 Cl8 109.180
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability