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

using model chemistry: CCSD=FULL/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=FULL/cc-pVDZ
 hartrees
Energy at 0K-1195.752162
Energy at 298.15K-1195.755687
HF Energy-1194.778163
Nuclear repulsion energy374.797754
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=FULL/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 3162 3162 0.00      
2 Ag 1430 1430 0.00      
3 Ag 1330 1330 0.00      
4 Ag 1168 1168 0.00      
5 Ag 1113 1113 0.00      
6 Ag 852 852 0.00      
7 Ag 525 525 0.00      
8 Ag 382 382 0.00      
9 Ag 276 276 0.00      
10 Au 3172 3172 16.35      
11 Au 1340 1340 29.99      
12 Au 1246 1246 42.94      
13 Au 1163 1163 257.93      
14 Au 800 800 187.43      
15 Au 408 408 3.47      
16 Au 371 371 28.82      
17 Au 175 175 1.37      
18 Au 75 75 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 9492.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9492.9 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=FULL/cc-pVDZ
ABC
0.13376 0.04886 0.03697

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

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.765
C2 0.000 0.000 0.765
H3 1.028 0.000 -1.156
H4 -1.028 0.000 1.156
F5 -0.667 -1.099 -1.207
F6 0.667 1.099 1.207
Cl7 -0.820 1.467 -1.357
Cl8 0.820 -1.467 1.357

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52901.09982.17831.35982.35361.78242.7070
C21.52902.17831.09982.35361.35982.70701.7824
H31.09982.17833.09372.02082.63102.36812.9179
H42.17831.09983.09372.63102.02082.91792.3681
F51.35982.35362.02082.63103.52702.57552.9871
F62.35361.35982.63102.02083.52702.98712.5755
Cl71.78242.70702.36812.91792.57552.98714.3211
Cl82.70701.78242.91792.36812.98712.57554.3211

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 110.864 C1 C2 F6 108.981
C1 C2 Cl8 109.429 C2 C1 H3 110.864
C2 C1 F5 108.981 C2 C1 Cl7 109.429
H3 C1 F5 110.038 H3 C1 Cl7 108.150
H4 C2 F6 110.038 H4 C2 Cl8 108.150
F5 C1 Cl7 109.358 F6 C2 Cl8 109.358
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability