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

using model chemistry: B2PLYP=FULL/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=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-1197.050077
Energy at 298.15K-1197.053525
HF Energy-1196.718379
Nuclear repulsion energy374.996651
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=FULL/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 3159 3038 0.06      
2 A 1387 1334 4.04      
3 A 1278 1229 8.21      
4 A 1128 1085 68.03      
5 A 1050 1010 199.98      
6 A 825 794 95.85      
7 A 454 437 0.82      
8 A 309 297 1.17      
9 A 165 159 0.36      
10 A 77 74 0.62      
11 B 3169 3048 6.39      
12 B 1323 1272 5.84      
13 B 1222 1176 21.97      
14 B 1049 1009 27.81      
15 B 816 785 93.33      
16 B 430 414 11.00      
17 B 383 369 7.60      
18 B 332 319 9.84      

Unscaled Zero Point Vibrational Energy (zpe) 9277.6 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 8923.2 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=FULL/aug-cc-pVDZ
ABC
0.09690 0.05974 0.03844

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/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 0.355
H4 1.316 -0.822 0.355
F5 0.226 1.308 1.562
F6 -0.226 -1.308 1.562
Cl7 0.476 1.607 -0.988
Cl8 -0.476 -1.607 -0.988

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52821.09462.18871.37632.34661.78472.7285
C21.52822.18871.09462.34661.37632.72851.7847
H31.09462.18873.10392.01822.67992.37322.9002
H42.18871.09463.10392.67992.01822.90022.3732
F51.37632.34662.01822.67992.65412.58043.9362
F62.34661.37632.67992.01822.65413.93622.5804
Cl71.78472.72852.37322.90022.58043.93623.3517
Cl82.72851.78472.90022.37323.93622.58043.3517

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 112.066 C1 C2 F6 107.668
C1 C2 Cl8 110.656 C2 C1 H3 112.066
C2 C1 F5 107.668 C2 C1 Cl7 110.656
H3 C1 F5 108.996 H3 C1 Cl7 108.640
H4 C2 F6 108.996 H4 C2 Cl8 108.640
F5 C1 Cl7 108.749 F6 C2 Cl8 108.749
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability