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

using model chemistry: MP2=FULL/aug-cc-pVDZ

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=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-1195.818478
Energy at 298.15K-1195.821945
HF Energy-1194.807008
Nuclear repulsion energy374.265039
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=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 Ag 3170 3072 0.00      
2 Ag 1395 1352 0.00      
3 Ag 1304 1264 0.00      
4 Ag 1146 1111 0.00      
5 Ag 1061 1029 0.00      
6 Ag 839 813 0.00      
7 Ag 513 498 0.00      
8 Ag 376 364 0.00      
9 Ag 272 264 0.00      
10 Au 3180 3082 6.63      
11 Au 1306 1265 13.59      
12 Au 1230 1192 32.05      
13 Au 1092 1058 234.66      
14 Au 795 771 202.00      
15 Au 401 389 3.48      
16 Au 367 355 26.19      
17 Au 172 167 0.78      
18 Au 74 71 0.70      

Unscaled Zero Point Vibrational Energy (zpe) 9345.6 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 9057.8 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=FULL/aug-cc-pVDZ
ABC
0.13216 0.04907 0.03699

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.763
C2 0.000 0.000 0.763
H3 1.018 0.000 -1.172
H4 -1.018 0.000 1.172
F5 -0.674 -1.119 -1.203
F6 0.674 1.119 1.203
Cl7 -0.846 1.449 -1.352
Cl8 0.846 -1.449 1.352

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52581.09732.18641.37822.36011.77862.6999
C21.52582.18641.09732.36011.37822.69991.7786
H31.09732.18643.10492.02892.64762.36842.9154
H42.18641.09733.10492.64762.02892.91542.3684
F51.37822.36012.02892.64763.55122.57802.9913
F62.36011.37822.64762.02893.55122.99132.5780
Cl71.77862.69992.36842.91542.57802.99134.3102
Cl82.69991.77862.91542.36842.99132.57804.3102

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 111.880 C1 C2 F6 108.620
C1 C2 Cl8 109.343 C2 C1 H3 111.880
C2 C1 F5 108.620 C2 C1 Cl7 109.343
H3 C1 F5 109.563 H3 C1 Cl7 108.546
H4 C2 F6 109.563 H4 C2 Cl8 108.546
F5 C1 Cl7 108.843 F6 C2 Cl8 108.843
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability