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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/aug-cc-pCVTZ
 hartrees
Energy at 0K-239.091855
Energy at 298.15K 
HF Energy-239.091855
Nuclear repulsion energy76.955055
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 B3LYPultrafine/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 3049 3049 40.84 122.42 0.06 0.12
2 A1 1528 1528 0.16 3.27 0.71 0.83
3 A1 1105 1105 99.74 6.16 0.16 0.27
4 A1 523 523 4.61 1.18 0.62 0.77
5 A2 1267 1267 0.00 4.24 0.75 0.86
6 B1 3119 3119 30.20 43.58 0.75 0.86
7 B1 1178 1178 15.53 0.58 0.75 0.86
8 B2 1450 1450 10.52 0.60 0.75 0.86
9 B2 1065 1065 261.03 2.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7141.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7141.8 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 B3LYPultrafine/aug-cc-pCVTZ
ABC
1.64220 0.35011 0.30615

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pCVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.506
H2 -0.912 0.000 1.103
H3 0.912 0.000 1.103
F4 0.000 1.106 -0.291
F5 0.000 -1.106 -0.291

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09001.09001.36301.3630
H21.09001.82341.99931.9993
H31.09001.82341.99931.9993
F41.36301.99931.99932.2119
F51.36301.99931.99932.2119

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 113.537 H2 C1 F4 108.681
H2 C1 F5 108.681 H3 C1 F4 108.681
H3 C1 F5 108.681 F4 C1 F5 108.470
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.017      
2 H 0.332      
3 H 0.332      
4 F -0.340      
5 F -0.340      


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 1.974 1.974
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.406 0.000 0.000
y 0.000 -19.336 0.000
z 0.000 0.000 -15.500
Traceless
 xyz
x 2.011 0.000 0.000
y 0.000 -3.883 0.000
z 0.000 0.000 1.871
Polar
3z2-r23.743
x2-y23.930
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.513 0.000 0.000
y 0.000 2.847 0.000
z 0.000 0.000 2.663


<r2> (average value of r2) Å2
<r2> 39.629
(<r2>)1/2 6.295