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

using model chemistry: B3LYP/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-238.990922
Energy at 298.15K-238.993656
HF Energy-238.990922
Nuclear repulsion energy74.401590
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/LANL2DZ
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 3113 2992 46.68 101.91 0.10 0.18
2 A1 1504 1446 0.00 7.34 0.74 0.85
3 A1 1021 981 80.69 7.80 0.15 0.27
4 A1 465 447 7.81 2.94 0.68 0.81
5 A2 1212 1165 0.00 13.14 0.75 0.86
6 B1 3211 3086 34.25 38.01 0.75 0.86
7 B1 1128 1084 11.99 4.15 0.75 0.86
8 B2 1434 1379 11.72 4.10 0.75 0.86
9 B2 1010 971 214.27 4.51 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7049.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 6775.6 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/LANL2DZ
ABC
1.54417 0.32578 0.28461

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.531
H2 -0.922 0.000 1.118
H3 0.922 0.000 1.118
F4 0.000 1.147 -0.301
F5 0.000 -1.147 -0.301

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09361.09361.41761.4176
H21.09361.84502.04532.0453
H31.09361.84502.04532.0453
F41.41762.04532.04532.2949
F51.41762.04532.04532.2949

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 115.034 H2 C1 F4 108.381
H2 C1 F5 108.381 H3 C1 F4 108.381
H3 C1 F5 108.381 F4 C1 F5 108.087
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.077      
2 H 0.212      
3 H 0.212      
4 F -0.250      
5 F -0.250      


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 2.680 2.680
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.936 0.000 0.000
y 0.000 -20.196 0.000
z 0.000 0.000 -14.939
Traceless
 xyz
x 2.631 0.000 0.000
y 0.000 -5.258 0.000
z 0.000 0.000 2.628
Polar
3z2-r25.255
x2-y25.259
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.550 0.000 0.000
y 0.000 2.042 0.000
z 0.000 0.000 1.712


<r2> (average value of r2) Å2
<r2> 41.654
(<r2>)1/2 6.454