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

using model chemistry: MP2/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-1195.138111
Energy at 298.15K-1195.141258
HF Energy-1194.623503
Nuclear repulsion energy359.693908
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 MP2/SDD
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 3203 3092 0.00      
2 Ag 1397 1349 0.00      
3 Ag 1303 1258 0.00      
4 Ag 1121 1082 0.00      
5 Ag 958 925 0.00      
6 Ag 778 751 0.00      
7 Ag 471 455 0.00      
8 Ag 338 327 0.00      
9 Ag 252 244 0.00      
10 Au 3211 3100 9.67      
11 Au 1297 1252 11.87      
12 Au 1257 1214 27.73      
13 Au 981 947 195.59      
14 Au 715 690 141.09      
15 Au 357 345 6.57      
16 Au 351 339 40.47      
17 Au 162 156 1.93      
18 Au 66 63 1.53      

Unscaled Zero Point Vibrational Energy (zpe) 9109.1 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 8793.0 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 MP2/SDD
ABC
0.12357 0.04497 0.03404

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.771
C2 0.000 0.000 0.771
H3 1.004 0.000 -1.208
H4 -1.004 0.000 1.208
F5 -0.694 -1.195 -1.212
F6 0.694 1.195 1.212
Cl7 -0.934 1.478 -1.424
Cl8 0.934 -1.478 1.424

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.54111.09532.21891.45112.41711.86642.8057
C21.54112.21891.09532.41711.45112.80571.8664
H31.09532.21893.14182.07672.71732.44683.0194
H42.21891.09533.14182.71732.07673.01942.4468
F51.45112.41712.07672.71733.67722.69253.1112
F62.41711.45112.71732.07673.67723.11122.6925
Cl71.86642.80572.44683.01942.69253.11124.5096
Cl82.80571.86643.01942.44683.11122.69254.5096

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 113.547 C1 C2 F6 107.727
C1 C2 Cl8 110.487 C2 C1 H3 113.547
C2 C1 F5 107.727 C2 C1 Cl7 110.487
H3 C1 F5 108.474 H3 C1 Cl7 108.591
H4 C2 F6 108.474 H4 C2 Cl8 108.591
F5 C1 Cl7 107.846 F6 C2 Cl8 107.846
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability