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

using model chemistry: wB97X-D/aug-cc-pCVTZ

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/aug-cc-pCVTZ
 hartrees
Energy at 0K-239.020203
Energy at 298.15K 
HF Energy-239.020203
Nuclear repulsion energy77.397495
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/aug-cc-pCVTZ
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 3062 3062 42.88 120.13 0.06 0.12
2 A1 1539 1539 0.13 3.20 0.72 0.84
3 A1 1133 1133 103.38 6.01 0.15 0.27
4 A1 535 535 4.78 1.10 0.61 0.76
5 A2 1282 1282 0.00 4.24 0.75 0.86
6 B1 3134 3134 31.93 41.94 0.75 0.86
7 B1 1190 1190 16.22 0.52 0.75 0.86
8 B2 1464 1464 12.40 0.60 0.75 0.86
9 B2 1105 1105 263.25 2.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7222.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7222.2 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/aug-cc-pCVTZ
ABC
1.65829 0.35454 0.31005

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pCVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.501
H2 -0.911 0.000 1.102
H3 0.911 0.000 1.102
F4 0.000 1.099 -0.289
F5 0.000 -1.099 -0.289

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09091.09091.35361.3536
H21.09091.82141.99291.9929
H31.09091.82141.99291.9929
F41.35361.99291.99292.1976
F51.35361.99291.99292.1976

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 113.196 H2 C1 F4 108.752
H2 C1 F5 108.752 H3 C1 F4 108.752
H3 C1 F5 108.752 F4 C1 F5 108.540
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.005      
2 H 0.339      
3 H 0.339      
4 F -0.336      
5 F -0.336      


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 1.925 1.925
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.218 0.000 0.000
y 0.000 -19.026 0.000
z 0.000 0.000 -15.315
Traceless
 xyz
x 1.952 0.000 0.000
y 0.000 -3.759 0.000
z 0.000 0.000 1.807
Polar
3z2-r23.614
x2-y23.808
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.497 0.000 0.000
y 0.000 2.781 0.000
z 0.000 0.000 2.624


<r2> (average value of r2) Å2
<r2> 39.150
(<r2>)1/2 6.257