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

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

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-pVTZ
 hartrees
Energy at 0K-239.016897
Energy at 298.15K-239.019741
HF Energy-239.016897
Nuclear repulsion energy77.387440
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-pVTZ
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 3064 2931 42.57 119.89 0.06 0.12
2 A1 1539 1473 0.12 3.20 0.72 0.84
3 A1 1133 1084 103.31 6.02 0.15 0.27
4 A1 535 512 4.80 1.10 0.61 0.76
5 A2 1281 1226 0.00 4.25 0.75 0.86
6 B1 3135 2999 31.41 41.96 0.75 0.86
7 B1 1190 1139 16.13 0.53 0.75 0.86
8 B2 1464 1400 12.55 0.60 0.75 0.86
9 B2 1105 1057 262.96 2.49 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7223.1 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 6909.7 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/aug-cc-pVTZ
ABC
1.65723 0.35450 0.30999

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

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 -0.290
F5 0.000 -1.099 -0.290

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09091.09091.35381.3538
H21.09091.82151.99311.9931
H31.09091.82151.99311.9931
F41.35381.99311.99312.1977
F51.35381.99311.99312.1977

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 113.208 H2 C1 F4 108.755
H2 C1 F5 108.755 H3 C1 F4 108.755
H3 C1 F5 108.755 F4 C1 F5 108.517
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.205      
2 H 0.242      
3 H 0.242      
4 F -0.344      
5 F -0.344      


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 1.927 1.927
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.224 0.000 0.000
y 0.000 -19.033 0.000
z 0.000 0.000 -15.319
Traceless
 xyz
x 1.952 0.000 0.000
y 0.000 -3.762 0.000
z 0.000 0.000 1.810
Polar
3z2-r23.619
x2-y23.809
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 2.782 0.000
z 0.000 0.000 2.625


<r2> (average value of r2) Å2
<r2> 39.160
(<r2>)1/2 6.258