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

using model chemistry: wB97X-D/6-31G*

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/6-31G*
 hartrees
Energy at 0K-238.908749
Energy at 298.15K-238.911590
HF Energy-238.908749
Nuclear repulsion energy77.271206
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/6-31G*
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 3081 2922 51.40 103.89 0.12 0.21
2 A1 1581 1500 4.09 8.87 0.74 0.85
3 A1 1154 1095 104.38 4.36 0.24 0.39
4 A1 528 501 4.67 1.68 0.73 0.85
5 A2 1294 1227 0.00 14.14 0.75 0.86
6 B1 3150 2988 72.64 48.97 0.75 0.86
7 B1 1208 1146 21.16 2.38 0.75 0.86
8 B2 1515 1437 46.82 5.59 0.75 0.86
9 B2 1158 1098 213.95 3.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7334.7 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 6956.9 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/6-31G*
ABC
1.66651 0.35208 0.30838

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.497
H2 -0.909 0.000 1.106
H3 0.909 0.000 1.106
F4 0.000 1.103 -0.289
F5 0.000 -1.103 -0.289

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09441.09441.35411.3541
H21.09441.81811.99721.9972
H31.09441.81811.99721.9972
F41.35411.99721.99722.2057
F51.35411.99721.99722.2057

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 112.322 H2 C1 F4 108.850
H2 C1 F5 108.850 H3 C1 F4 108.850
H3 C1 F5 108.850 F4 C1 F5 109.068
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.284      
2 H 0.148      
3 H 0.148      
4 F -0.291      
5 F -0.291      


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 1.782 1.782
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.965 0.000 0.000
y 0.000 -18.231 0.000
z 0.000 0.000 -14.801
Traceless
 xyz
x 1.551 0.000 0.000
y 0.000 -3.348 0.000
z 0.000 0.000 1.797
Polar
3z2-r23.594
x2-y23.265
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.943 0.000 0.000
y 0.000 1.929 0.000
z 0.000 0.000 1.914


<r2> (average value of r2) Å2
<r2> 38.969
(<r2>)1/2 6.242