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

using model chemistry: CCD/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 CCD/TZVP
 hartrees
Energy at 0K-1195.878506
Energy at 298.15K-1195.882112
HF Energy-1194.876608
Nuclear repulsion energy377.186182
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/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 3182 3016 0.18      
2 A 1457 1381 11.40      
3 A 1353 1283 17.18      
4 A 1177 1116 169.72      
5 A 1107 1050 97.02      
6 A 869 824 73.26      
7 A 474 449 0.37      
8 A 319 303 1.46      
9 A 172 163 0.68      
10 A 83 78 0.67      
11 B 3193 3027 11.09      
12 B 1402 1330 6.94      
13 B 1287 1220 31.28      
14 B 1139 1080 27.38      
15 B 864 820 93.72      
16 B 447 424 14.77      
17 B 403 382 8.72      
18 B 343 325 11.32      

Unscaled Zero Point Vibrational Energy (zpe) 9635.5 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 9134.4 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/TZVP
ABC
0.09820 0.06018 0.03882

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/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 -1.302 0.815 0.348
H4 1.302 -0.815 0.348
F5 0.220 1.297 1.551
F6 -0.220 -1.297 1.551
Cl7 0.481 1.602 -0.982
Cl8 -0.481 -1.602 -0.982

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52641.08682.17011.35782.33271.77622.7228
C21.52642.17011.08682.33271.35782.72281.7762
H31.08682.17013.07261.99892.66052.36022.8784
H42.17011.08683.07262.66051.99892.87842.3602
F51.35782.33271.99892.66052.63102.56493.9130
F62.33271.35782.66051.99892.63103.91302.5649
Cl71.77622.72282.36022.87842.56493.91303.3449
Cl82.72281.77622.87842.36023.91302.56493.3449

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 111.173 C1 C2 F6 107.814
C1 C2 Cl8 110.840 C2 C1 H3 111.173
C2 C1 F5 107.814 C2 C1 Cl7 110.840
H3 C1 F5 109.208 H3 C1 Cl7 108.648
H4 C2 F6 109.208 H4 C2 Cl8 108.648
F5 C1 Cl7 109.123 F6 C2 Cl8 109.123
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability