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All results from a given calculation for CHFClCHClF (ethane, 1,2-dichloro-1,2-difluoro-)

using model chemistry: MP3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at MP3/TZVP
 hartrees
Energy at 0K-1195.876405
Energy at 298.15K-1195.879983
HF Energy-1194.877667
Nuclear repulsion energy375.874855
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/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 Ag 3201 2993 0.00      
2 Ag 1461 1366 0.00      
3 Ag 1381 1291 0.00      
4 Ag 1176 1100 0.00      
5 Ag 1124 1052 0.00      
6 Ag 867 811 0.00      
7 Ag 534 499 0.00      
8 Ag 387 362 0.00      
9 Ag 275 257 0.00      
10 Au 3212 3004 10.35      
11 Au 1377 1288 28.11      
12 Au 1293 1209 40.80      
13 Au 1173 1097 256.20      
14 Au 811 759 187.91      
15 Au 415 388 4.62      
16 Au 385 360 31.07      
17 Au 175 164 1.17      
18 Au 75 70 0.86      

Unscaled Zero Point Vibrational Energy (zpe) 9661.4 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 9035.3 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 MP3/TZVP
ABC
0.13508 0.04897 0.03712

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.762
C2 0.000 0.000 0.762
H3 1.013 0.000 -1.153
H4 -1.013 0.000 1.153
F5 -0.656 -1.098 -1.203
F6 0.656 1.098 1.203
Cl7 -0.833 1.456 -1.358
Cl8 0.833 -1.456 1.358

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52401.08532.16591.35322.34491.78012.7032
C21.52402.16591.08532.34491.35322.70321.7801
H31.08532.16593.06851.99812.62372.35962.9078
H42.16591.08533.06852.62371.99812.90782.3596
F51.35322.34491.99812.62373.51242.56542.9837
F62.34491.35322.62371.99813.51242.98372.5654
Cl71.78012.70322.35962.90782.56542.98374.3163
Cl82.70321.78012.90782.35962.98372.56544.3163

picture of ethane, 1,2-dichloro-1,2-difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 111.094 C1 C2 F6 109.029
C1 C2 Cl8 109.553 C2 C1 H3 111.094
C2 C1 F5 109.029 C2 C1 Cl7 109.553
H3 C1 F5 109.561 H3 C1 Cl7 108.419
H4 C2 F6 109.561 H4 C2 Cl8 108.419
F5 C1 Cl7 109.159 F6 C2 Cl8 109.159
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability