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All results from a given calculation for CH2F2 (Methane, difluoro-)

using model chemistry: HSEh1PBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/cc-pVDZ
 hartrees
Energy at 0K-238.775237
Energy at 298.15K-238.778080
HF Energy-238.775237
Nuclear repulsion energy77.221816
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 HSEh1PBE/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 A1 3056 2940 49.43 119.17 0.10 0.19
2 A1 1510 1452 2.59 7.78 0.72 0.84
3 A1 1143 1100 108.98 3.51 0.32 0.48
4 A1 534 514 4.69 1.77 0.73 0.84
5 A2 1263 1215 0.00 11.06 0.75 0.86
6 B1 3130 3011 59.95 54.79 0.75 0.86
7 B1 1174 1129 21.59 1.88 0.75 0.86
8 B2 1461 1405 35.68 3.72 0.75 0.86
9 B2 1143 1099 230.70 3.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7206.9 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 6932.3 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 HSEh1PBE/cc-pVDZ
ABC
1.65236 0.35290 0.30882

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.498
H2 -0.916 0.000 1.112
H3 0.916 0.000 1.112
F4 0.000 1.101 -0.290
F5 0.000 -1.101 -0.290

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.10281.10281.35401.3540
H21.10281.83242.00422.0042
H31.10281.83242.00422.0042
F41.35402.00422.00422.2024
F51.35402.00422.00422.2024

picture of Methane, difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 H3 112.357 H2 C1 F4 108.897
H2 C1 F5 108.897 H3 C1 F4 108.897
H3 C1 F5 108.897 F4 C1 F5 108.835
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.356      
2 H 0.037      
3 H 0.037      
4 F -0.215      
5 F -0.215      


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 1.788 1.788
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.043 0.000 0.000
y 0.000 -18.372 0.000
z 0.000 0.000 -14.915
Traceless
 xyz
x 1.601 0.000 0.000
y 0.000 -3.393 0.000
z 0.000 0.000 1.792
Polar
3z2-r23.584
x2-y23.329
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.847 0.000 0.000
y 0.000 1.946 0.000
z 0.000 0.000 1.888


<r2> (average value of r2) Å2
<r2> 39.042
(<r2>)1/2 6.248