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

using model chemistry: B2PLYP=FULLultrafine/aug-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 B2PLYP=FULLultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-1197.050069
Energy at 298.15K 
HF Energy-1196.718374
Nuclear repulsion energy375.002321
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 B2PLYP=FULLultrafine/aug-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 3158 3039 0.06      
2 A 1387 1334 4.05      
3 A 1278 1230 8.16      
4 A 1128 1086 68.07      
5 A 1050 1010 200.04      
6 A 825 794 95.81      
7 A 454 437 0.82      
8 A 309 297 1.17      
9 A 165 158 0.36      
10 A 77 74 0.62      
11 B 3169 3049 6.37      
12 B 1323 1273 5.82      
13 B 1222 1176 22.01      
14 B 1049 1010 27.78      
15 B 816 785 93.38      
16 B 430 414 10.97      
17 B 383 369 7.52      
18 B 332 319 9.93      

Unscaled Zero Point Vibrational Energy (zpe) 9276.3 cm-1
Scaled (by 0.9623) Zero Point Vibrational Energy (zpe) 8926.6 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 B2PLYP=FULLultrafine/aug-cc-pVDZ
ABC
0.09692 0.05973 0.03844

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.226 0.730 0.398
C2 0.226 -0.730 0.398
H3 -1.316 0.822 0.354
H4 1.316 -0.822 0.354
F5 0.226 1.307 1.562
F6 -0.226 -1.307 1.562
Cl7 0.477 1.607 -0.988
Cl8 -0.477 -1.607 -0.988

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52821.09462.18871.37632.34641.78462.7285
C21.52822.18871.09462.34641.37632.72851.7846
H31.09462.18873.10382.01812.68002.37332.8998
H42.18871.09463.10382.68002.01812.89982.3733
F51.37632.34642.01812.68002.65332.58043.9360
F62.34641.37632.68002.01812.65333.93602.5804
Cl71.78462.72852.37332.89982.58043.93603.3524
Cl82.72851.78462.89982.37333.93602.58043.3524

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 112.063 C1 C2 F6 107.659
C1 C2 Cl8 110.657 C2 C1 H3 112.063
C2 C1 F5 107.659 C2 C1 Cl7 110.657
H3 C1 F5 108.993 H3 C1 Cl7 108.652
H4 C2 F6 108.993 H4 C2 Cl8 108.652
F5 C1 Cl7 108.752 F6 C2 Cl8 108.752
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability