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

using model chemistry: BLYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-239.046622
Energy at 298.15K-239.049391
HF Energy-239.046622
Nuclear repulsion energy76.075424
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 BLYP/6-311+G(3df,2p)
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 2962 2946 41.08 116.80 0.08 0.14
2 A1 1481 1472 0.13 3.93 0.74 0.85
3 A1 1045 1040 89.82 6.68 0.16 0.27
4 A1 496 493 3.69 1.52 0.62 0.76
5 A2 1223 1216 0.00 4.72 0.75 0.86
6 B1 3033 3016 32.46 48.44 0.75 0.86
7 B1 1141 1135 12.64 1.00 0.75 0.86
8 B2 1401 1394 7.77 0.99 0.75 0.86
9 B2 985 980 258.51 2.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6883.6 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 6845.8 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 BLYP/6-311+G(3df,2p)
ABC
1.61244 0.34131 0.29872

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.512
H2 -0.920 0.000 1.109
H3 0.920 0.000 1.109
F4 0.000 1.120 -0.294
F5 0.000 -1.120 -0.294

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09691.09691.37971.3797
H21.09691.84022.01712.0171
H31.09691.84022.01712.0171
F41.37972.01712.01712.2405
F51.37972.01712.01712.2405

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 114.033 H2 C1 F4 108.529
H2 C1 F5 108.529 H3 C1 F4 108.529
H3 C1 F5 108.529 F4 C1 F5 108.574
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.423      
2 H 0.150      
3 H 0.150      
4 F -0.361      
5 F -0.361      


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 1.966 1.966
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.598 0.000 0.000
y 0.000 -19.511 0.000
z 0.000 0.000 -15.663
Traceless
 xyz
x 1.989 0.000 0.000
y 0.000 -3.881 0.000
z 0.000 0.000 1.892
Polar
3z2-r23.785
x2-y23.913
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.511 0.000 0.000
y 0.000 2.970 0.000
z 0.000 0.000 2.686


<r2> (average value of r2) Å2
<r2> 40.435
(<r2>)1/2 6.359