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

using model chemistry: CCD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-1195.903387
Energy at 298.15K-1195.906945
HF Energy-1194.748215
Nuclear repulsion energy377.510303
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 CCD/6-31G(2df,p)
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 3173 3006 0.00      
2 Ag 1452 1375 0.00      
3 Ag 1356 1284 0.00      
4 Ag 1191 1128 0.00      
5 Ag 1131 1071 0.00      
6 Ag 865 819 0.00      
7 Ag 533 505 0.00      
8 Ag 386 366 0.00      
9 Ag 276 262 0.00      
10 Au 3185 3017 8.96      
11 Au 1373 1300 27.04      
12 Au 1265 1198 37.47      
13 Au 1203 1139 217.79      
14 Au 816 773 187.99      
15 Au 412 390 3.37      
16 Au 372 352 26.01      
17 Au 174 165 1.05      
18 Au 79 75 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 9620.4 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 9112.4 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 CCD/6-31G(2df,p)
ABC
0.13614 0.04946 0.03749

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

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 1.017 0.000 -1.152
H4 -1.017 0.000 1.152
F5 -0.667 -1.082 -1.199
F6 0.667 1.082 1.199
Cl7 -0.813 1.465 -1.343
Cl8 0.813 -1.465 1.343

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52421.08952.16801.34392.33691.77332.6905
C21.52422.16801.08952.33691.34392.69051.7733
H31.08952.16803.07432.00242.61192.35192.9010
H42.16801.08953.07432.61192.00242.90102.3519
F51.34392.33692.00242.61193.49452.55492.9665
F62.33691.34392.61192.00243.49452.96652.5549
Cl71.77332.69052.35192.90102.55492.96654.2946
Cl82.69051.77332.90102.35192.96652.55494.2946

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 110.998 C1 C2 F6 108.972
C1 C2 Cl8 109.127 C2 C1 H3 110.998
C2 C1 F5 108.972 C2 C1 Cl7 109.127
H3 C1 F5 110.307 H3 C1 Cl7 108.091
H4 C2 F6 110.307 H4 C2 Cl8 108.091
F5 C1 Cl7 109.318 F6 C2 Cl8 109.318
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability