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

using model chemistry: wB97X-D/3-21G*

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/3-21G*
 hartrees
Energy at 0K-237.618600
Energy at 298.15K-237.621415
HF Energy-237.618600
Nuclear repulsion energy75.614942
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/3-21G*
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 3090 2929 42.42 96.00 0.12 0.21
2 A1 1608 1524 2.01 13.46 0.74 0.85
3 A1 1100 1043 76.82 5.12 0.21 0.35
4 A1 501 474 6.89 2.21 0.74 0.85
5 A2 1291 1224 0.00 18.59 0.75 0.86
6 B1 3147 2983 74.88 50.68 0.75 0.86
7 B1 1176 1115 15.13 3.54 0.75 0.86
8 B2 1522 1443 31.17 6.86 0.75 0.86
9 B2 1147 1087 143.09 3.72 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7291.3 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 6910.7 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/3-21G*
ABC
1.62474 0.33405 0.29282

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.506
H2 -0.901 0.000 1.123
H3 0.901 0.000 1.123
F4 0.000 1.134 -0.294
F5 0.000 -1.134 -0.294

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09151.09151.38741.3874
H21.09151.80132.02552.0255
H31.09151.80132.02552.0255
F41.38742.02552.02552.2672
F51.38742.02552.02552.2672

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 111.209 H2 C1 F4 109.007
H2 C1 F5 109.007 H3 C1 F4 109.007
H3 C1 F5 109.007 F4 C1 F5 109.584
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.207      
2 H 0.206      
3 H 0.206      
4 F -0.310      
5 F -0.310      


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 2.077 2.077
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.846 0.000 0.000
y 0.000 -18.783 0.000
z 0.000 0.000 -14.639
Traceless
 xyz
x 1.865 0.000 0.000
y 0.000 -4.040 0.000
z 0.000 0.000 2.176
Polar
3z2-r24.351
x2-y23.937
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.555 0.000 0.000
y 0.000 1.699 0.000
z 0.000 0.000 1.570


<r2> (average value of r2) Å2
<r2> 40.414
(<r2>)1/2 6.357