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

using model chemistry: CCSD/TZVP

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/TZVP
 hartrees
Energy at 0K-1195.886763
Energy at 298.15K-1195.890348
HF Energy-1194.876415
Nuclear repulsion energy376.823435
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/TZVP
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 3176 3031 0.17      
2 A 1451 1384 10.36      
3 A 1346 1285 17.21      
4 A 1168 1115 155.95      
5 A 1100 1050 112.14      
6 A 862 823 77.30      
7 A 471 450 0.49      
8 A 318 303 1.43      
9 A 171 163 0.69      
10 A 82 78 0.64      
11 B 3188 3042 11.04      
12 B 1396 1332 6.68      
13 B 1281 1223 32.14      
14 B 1126 1074 26.82      
15 B 856 817 94.60      
16 B 446 425 14.65      
17 B 401 382 8.56      
18 B 342 326 11.10      

Unscaled Zero Point Vibrational Energy (zpe) 9589.0 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 9151.7 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/TZVP
ABC
0.09795 0.06010 0.03875

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.220 0.731 0.398
C2 0.220 -0.731 0.398
H3 -1.303 0.816 0.348
H4 1.303 -0.816 0.348
F5 0.220 1.298 1.553
F6 -0.220 -1.298 1.553
Cl7 0.484 1.602 -0.983
Cl8 -0.484 -1.602 -0.983

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52661.08702.17161.36002.33431.77842.7241
C21.52662.17161.08702.33431.36002.72411.7784
H31.08702.17163.07472.00112.66352.36202.8796
H42.17161.08703.07472.66352.00112.87962.3620
F51.36002.33432.00112.66352.63222.56823.9164
F62.33431.36002.66352.00112.63223.91642.5682
Cl71.77842.72412.36202.87962.56823.91643.3474
Cl82.72411.77842.87962.36203.91642.56823.3474

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 111.263 C1 C2 F6 107.790
C1 C2 Cl8 110.795 C2 C1 H3 111.263
C2 C1 F5 107.790 C2 C1 Cl7 110.795
H3 C1 F5 109.216 H3 C1 Cl7 108.631
H4 C2 F6 109.216 H4 C2 Cl8 108.631
F5 C1 Cl7 109.110 F6 C2 Cl8 109.110
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability