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

using model chemistry: wB97X-D/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/CEP-121G*
 hartrees
Energy at 0K-55.225699
Energy at 298.15K-55.228529
HF Energy-55.225699
Nuclear repulsion energy44.913696
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 wB97X-D/CEP-121G*
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 3086 3086 57.34 114.89 0.10 0.19
2 A1 1547 1547 2.56 6.75 0.75 0.86
3 A1 1127 1127 111.60 5.29 0.24 0.39
4 A1 524 524 5.12 1.83 0.70 0.82
5 A2 1280 1280 0.00 12.58 0.75 0.86
6 B1 3165 3165 57.26 50.57 0.75 0.86
7 B1 1196 1196 20.88 2.01 0.75 0.86
8 B2 1487 1487 37.85 5.89 0.75 0.86
9 B2 1107 1107 270.65 3.63 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7258.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7258.0 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 wB97X-D/CEP-121G*
ABC
1.63174 0.34812 0.30443

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.507
H2 -0.916 0.000 1.107
H3 0.916 0.000 1.107
F4 0.000 1.109 -0.292
F5 0.000 -1.109 -0.292

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09501.09501.36671.3667
H21.09501.83142.00642.0064
H31.09501.83142.00642.0064
F41.36672.00642.00642.2181
F51.36672.00642.00642.2181

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 113.496 H2 C1 F4 108.688
H2 C1 F5 108.688 H3 C1 F4 108.688
H3 C1 F5 108.688 F4 C1 F5 108.484
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.175      
2 H 0.153      
3 H 0.153      
4 F -0.240      
5 F -0.240      


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 2.038 2.038
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.047 0.000 0.000
y 0.000 -18.915 0.000
z 0.000 0.000 -15.029
Traceless
 xyz
x 1.925 0.000 0.000
y 0.000 -3.877 0.000
z 0.000 0.000 1.952
Polar
3z2-r23.904
x2-y23.868
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.017 0.000 0.000
y 0.000 2.150 0.000
z 0.000 0.000 2.089


<r2> (average value of r2) Å2
<r2> 33.767
(<r2>)1/2 5.811