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

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-1195.656358
Energy at 298.15K-1195.659944
HF Energy-1194.734811
Nuclear repulsion energy377.190259
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 CCD/6-31+G**
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 3213 3027 0.18      
2 A 1445 1362 5.18      
3 A 1353 1274 25.95      
4 A 1171 1103 89.49      
5 A 1107 1043 168.77      
6 A 879 829 73.55      
7 A 476 448 0.04      
8 A 319 301 1.42      
9 A 170 160 0.53      
10 A 85 80 0.68      
11 B 3224 3038 8.33      
12 B 1381 1301 9.81      
13 B 1293 1219 24.22      
14 B 1116 1052 26.22      
15 B 877 826 96.09      
16 B 439 414 12.08      
17 B 400 377 10.04      
18 B 346 326 12.52      

Unscaled Zero Point Vibrational Energy (zpe) 9645.8 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 9089.3 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 CCD/6-31+G**
ABC
0.09837 0.06033 0.03879

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.234 0.726 0.393
C2 0.234 -0.726 0.393
H3 -1.319 0.792 0.386
H4 1.319 -0.792 0.386
F5 0.234 1.298 1.553
F6 -0.234 -1.298 1.553
Cl7 0.416 1.615 -0.983
Cl8 -0.416 -1.615 -0.983

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52491.08712.17101.37532.33281.76282.7217
C21.52492.17101.08712.33281.37532.72171.7628
H31.08712.17103.07652.00672.62832.35862.9129
H42.17101.08713.07652.62832.00672.91292.3586
F51.37532.33282.00672.62832.63832.56233.9170
F62.33281.37532.62832.00672.63833.91702.5623
Cl71.76282.72172.35862.91292.56233.91703.3361
Cl82.72171.76282.91292.35863.91702.56233.3361

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 111.341 C1 C2 F6 106.988
C1 C2 Cl8 111.553 C2 C1 H3 111.341
C2 C1 F5 106.988 C2 C1 Cl7 111.553
H3 C1 F5 108.600 H3 C1 Cl7 109.412
H4 C2 F6 108.600 H4 C2 Cl8 109.412
F5 C1 Cl7 108.847 F6 C2 Cl8 108.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability