return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: HF/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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-1194.809272
Energy at 298.15K-1194.813000
HF Energy-1194.809272
Nuclear repulsion energy376.944298
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 HF/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 3320 3023 0.00      
2 Ag 1538 1401 0.00      
3 Ag 1423 1296 0.00      
4 Ag 1233 1123 0.00      
5 Ag 1175 1070 0.00      
6 Ag 893 813 0.00      
7 Ag 555 506 0.00      
8 Ag 404 368 0.00      
9 Ag 289 263 0.00      
10 Au 3331 3033 8.77      
11 Au 1432 1304 22.84      
12 Au 1335 1216 48.64      
13 Au 1220 1111 287.59      
14 Au 835 761 254.05      
15 Au 432 393 3.56      
16 Au 402 366 32.09      
17 Au 184 168 0.99      
18 Au 79 72 0.89      

Unscaled Zero Point Vibrational Energy (zpe) 10040.4 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 9142.8 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 HF/aug-cc-pVDZ
ABC
0.13717 0.04891 0.03724

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

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.761
C2 0.000 0.000 0.761
H3 1.006 0.000 -1.161
H4 -1.006 0.000 1.161
F5 -0.664 -1.083 -1.199
F6 0.664 1.083 1.199
Cl7 -0.828 1.452 -1.364
Cl8 0.828 -1.452 1.364

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52191.08262.16951.34312.33491.77722.7039
C21.52192.16951.08262.33491.34312.70391.7772
H31.08262.16953.07271.99022.61872.34782.9189
H42.16951.08263.07272.61871.99022.91892.3478
F51.34312.33491.99022.61873.49222.54562.9882
F62.33491.34312.61871.99023.49222.98822.5456
Cl71.77722.70392.34782.91892.54562.98824.3154
Cl82.70391.77722.91892.34782.98822.54564.3154

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 111.698 C1 C2 F6 109.013
C1 C2 Cl8 109.849 C2 C1 H3 111.698
C2 C1 F5 109.013 C2 C1 Cl7 109.849
H3 C1 F5 109.798 H3 C1 Cl7 107.888
H4 C2 F6 109.798 H4 C2 Cl8 107.888
F5 C1 Cl7 108.539 F6 C2 Cl8 108.539
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.650      
2 C 0.650      
3 H 0.042      
4 H 0.042      
5 F -0.580      
6 F -0.580      
7 Cl -0.111      
8 Cl -0.111      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.943 -1.124 -4.050
y -1.124 -50.806 -0.868
z -4.050 -0.868 -48.781
Traceless
 xyz
x 2.850 -1.124 -4.050
y -1.124 -2.944 -0.868
z -4.050 -0.868 0.094
Polar
3z2-r20.188
x2-y23.863
xy-1.124
xz-4.050
yz-0.868


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.934 -1.077 0.871
y -1.077 8.678 -1.343
z 0.871 -1.343 7.514


<r2> (average value of r2) Å2
<r2> 255.349
(<r2>)1/2 15.980