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

using model chemistry: B3LYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/6-311G**
 hartrees
Energy at 0K-239.053819
Energy at 298.15K-239.056646
HF Energy-239.053819
Nuclear repulsion energy76.886958
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 B3LYP/6-311G**
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 3044 2943 48.15 109.29 0.10 0.19
2 A1 1525 1475 1.37 6.17 0.74 0.85
3 A1 1109 1073 108.23 3.77 0.29 0.46
4 A1 523 506 4.84 1.97 0.72 0.84
5 A2 1271 1229 0.00 10.88 0.75 0.86
6 B1 3116 3012 53.87 48.10 0.75 0.86
7 B1 1181 1141 21.28 2.00 0.75 0.86
8 B2 1474 1425 28.30 4.48 0.75 0.86
9 B2 1086 1050 240.63 2.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7164.3 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 6926.4 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 B3LYP/6-311G**
ABC
1.64763 0.34870 0.30529

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.503
H2 -0.913 0.000 1.104
H3 0.913 0.000 1.104
F4 0.000 1.108 -0.290
F5 0.000 -1.108 -0.290

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09261.09261.36311.3631
H21.09261.82542.00132.0013
H31.09261.82542.00132.0013
F41.36312.00132.00132.2164
F51.36312.00132.00132.2164

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 113.299 H2 C1 F4 108.669
H2 C1 F5 108.669 H3 C1 F4 108.669
H3 C1 F5 108.669 F4 C1 F5 108.783
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.297      
2 H 0.092      
3 H 0.092      
4 F -0.240      
5 F -0.240      


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 1.935 1.935
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.122 0.000 0.000
y 0.000 -18.855 0.000
z 0.000 0.000 -15.084
Traceless
 xyz
x 1.848 0.000 0.000
y 0.000 -3.752 0.000
z 0.000 0.000 1.904
Polar
3z2-r23.809
x2-y23.733
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.867 0.000 0.000
y 0.000 2.051 0.000
z 0.000 0.000 1.939


<r2> (average value of r2) Å2
<r2> 39.462
(<r2>)1/2 6.282