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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-239.081791
Energy at 298.15K-239.084622
HF Energy-239.081791
Nuclear repulsion energy77.038719
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/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 3043 2942 45.85 116.73 0.09 0.16
2 A1 1535 1483 0.67 4.59 0.70 0.82
3 A1 1113 1076 100.47 3.63 0.28 0.44
4 A1 526 508 4.37 1.57 0.68 0.81
5 A2 1272 1230 0.00 7.24 0.75 0.86
6 B1 3112 3009 44.51 45.87 0.75 0.86
7 B1 1185 1146 18.23 1.59 0.75 0.86
8 B2 1463 1414 16.27 2.36 0.75 0.86
9 B2 1084 1048 239.60 2.56 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7166.4 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 6927.8 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/cc-pVTZ
ABC
1.65025 0.35047 0.30664

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.503
H2 -0.910 0.000 1.104
H3 0.910 0.000 1.104
F4 0.000 1.105 -0.290
F5 0.000 -1.105 -0.290

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09071.09071.36061.3606
H21.09071.82041.99851.9985
H31.09071.82041.99851.9985
F41.36061.99851.99852.2108
F51.36061.99851.99852.2108

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 113.133 H2 C1 F4 108.736
H2 C1 F5 108.736 H3 C1 F4 108.736
H3 C1 F5 108.736 F4 C1 F5 108.678
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.345      
2 H 0.037      
3 H 0.037      
4 F -0.209      
5 F -0.209      


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 1.873 1.873
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.276 0.000 0.000
y 0.000 -18.858 0.000
z 0.000 0.000 -15.247
Traceless
 xyz
x 1.777 0.000 0.000
y 0.000 -3.597 0.000
z 0.000 0.000 1.820
Polar
3z2-r23.640
x2-y23.582
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.124 0.000 0.000
y 0.000 2.362 0.000
z 0.000 0.000 2.239


<r2> (average value of r2) Å2
<r2> 39.404
(<r2>)1/2 6.277