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

using model chemistry: BLYP/TZVP

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/TZVP
 hartrees
Energy at 0K-239.053099
Energy at 298.15K-239.055869
HF Energy-239.053099
Nuclear repulsion energy75.840988
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/TZVP
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 2968 2961 46.26 121.89 0.10 0.18
2 A1 1482 1478 0.91 5.46 0.74 0.85
3 A1 1040 1037 98.45 4.91 0.25 0.40
4 A1 497 495 3.87 2.43 0.68 0.81
5 A2 1221 1218 0.00 11.47 0.75 0.86
6 B1 3039 3032 44.68 49.74 0.75 0.86
7 B1 1143 1140 15.82 2.65 0.75 0.86
8 B2 1421 1418 21.00 6.02 0.75 0.86
9 B2 986 984 260.64 2.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6898.3 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 6881.1 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/TZVP
ABC
1.61131 0.33833 0.29642

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.511
H2 -0.921 0.000 1.110
H3 0.921 0.000 1.110
F4 0.000 1.125 -0.294
F5 0.000 -1.125 -0.294

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09831.09831.38371.3837
H21.09831.84152.02122.0212
H31.09831.84152.02122.0212
F41.38372.02122.02122.2507
F51.38372.02122.02122.2507

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 113.927 H2 C1 F4 108.496
H2 C1 F5 108.496 H3 C1 F4 108.496
H3 C1 F5 108.496 F4 C1 F5 108.830
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.195      
2 H 0.108      
3 H 0.108      
4 F -0.206      
5 F -0.206      


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 2.019 2.019
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.541 0.000 0.000
y 0.000 -19.498 0.000
z 0.000 0.000 -15.567
Traceless
 xyz
x 1.992 0.000 0.000
y 0.000 -3.945 0.000
z 0.000 0.000 1.953
Polar
3z2-r23.905
x2-y23.958
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.152 0.000 0.000
y 0.000 2.462 0.000
z 0.000 0.000 2.284


<r2> (average value of r2) Å2
<r2> 40.614
(<r2>)1/2 6.373