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All results from a given calculation for CHFClCHFCl (1,2-dichloro-1,2-difluoroethane RR)

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 C2 1A
Energy calculated at CCSD=FULL/cc-pVDZ
 hartrees
Energy at 0K-1195.751236
Energy at 298.15K-1195.754785
HF Energy-1194.776946
Nuclear repulsion energy376.393697
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 A 3161 3161 0.82      
2 A 1427 1427 14.46      
3 A 1312 1312 15.92      
4 A 1170 1170 152.12      
5 A 1103 1103 119.11      
6 A 855 855 69.42      
7 A 467 467 0.61      
8 A 317 317 1.31      
9 A 168 168 0.79      
10 A 82 82 0.60      
11 B 3171 3171 16.21      
12 B 1360 1360 5.78      
13 B 1240 1240 34.14      
14 B 1129 1129 26.34      
15 B 849 849 101.14      
16 B 437 437 12.01      
17 B 396 396 7.99      
18 B 339 339 12.20      

Unscaled Zero Point Vibrational Energy (zpe) 9491.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9491.3 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
0.09747 0.06024 0.03870

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.226 0.731 0.402
C2 0.226 -0.731 0.402
H3 -1.322 0.805 0.361
H4 1.322 -0.805 0.361
F5 0.226 1.298 1.557
F6 -0.226 -1.298 1.557
Cl7 0.457 1.606 -0.987
Cl8 -0.457 -1.606 -0.987

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53071.09992.18151.36332.33471.77782.7287
C21.53072.18151.09992.33471.36332.72871.7778
H31.09992.18153.09642.01722.65622.37182.8947
H42.18151.09993.09642.65622.01722.89472.3718
F51.36332.33472.01722.65622.63442.57303.9204
F62.33471.36332.65622.01722.63443.92042.5730
Cl71.77782.72872.37182.89472.57303.92043.3398
Cl82.72871.77782.89472.37183.92042.57303.3398

picture of 1,2-dichloro-1,2-difluoroethane RR state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 110.991 C1 C2 F6 107.421
C1 C2 Cl8 110.908 C2 C1 H3 110.991
C2 C1 F5 107.421 C2 C1 Cl7 110.908
H3 C1 F5 109.493 H3 C1 Cl7 108.716
H4 C2 F6 109.493 H4 C2 Cl8 108.716
F5 C1 Cl7 109.285 F6 C2 Cl8 109.285
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability