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

using model chemistry: MP3=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 MP3=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-1195.846588
Energy at 298.15K-1195.850126
HF Energy-1194.807196
Nuclear repulsion energy375.749041
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 MP3=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 3183 3183 0.09      
2 A 1419 1419 8.61      
3 A 1303 1303 10.17      
4 A 1165 1165 107.47      
5 A 1090 1090 152.50      
6 A 849 849 71.89      
7 A 465 465 0.24      
8 A 316 316 1.32      
9 A 167 167 0.35      
10 A 79 79 0.66      
11 B 3192 3192 6.47      
12 B 1351 1351 5.88      
13 B 1240 1240 23.23      
14 B 1108 1108 25.41      
15 B 845 845 90.73      
16 B 440 440 11.31      
17 B 395 395 7.81      
18 B 336 336 10.99      

Unscaled Zero Point Vibrational Energy (zpe) 9470.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9470.4 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 MP3=FULL/aug-cc-pVDZ
ABC
0.09753 0.05981 0.03861

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.224 0.732 0.395
C2 0.224 -0.732 0.395
H3 -1.315 0.824 0.341
H4 1.315 -0.824 0.341
F5 0.224 1.305 1.557
F6 -0.224 -1.305 1.557
Cl7 0.493 1.601 -0.984
Cl8 -0.493 -1.601 -0.984

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53061.09622.18831.37082.34551.78052.7235
C21.53062.18831.09622.34551.37082.72351.7805
H31.09622.18833.10252.01912.68382.37182.8828
H42.18831.09623.10252.68382.01912.88282.3718
F51.37082.34552.01912.68382.64902.57233.9266
F62.34551.37082.68382.01912.64903.92662.5723
Cl71.78052.72352.37182.88282.57233.92663.3505
Cl82.72351.78052.88282.37183.92662.57233.3505

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 111.761 C1 C2 F6 107.754
C1 C2 Cl8 110.453 C2 C1 H3 111.761
C2 C1 F5 107.754 C2 C1 Cl7 110.453
H3 C1 F5 109.360 H3 C1 Cl7 108.730
H4 C2 F6 109.360 H4 C2 Cl8 108.730
F5 C1 Cl7 108.730 F6 C2 Cl8 108.730
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability