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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-311G**
 hartrees
Energy at 0K-238.834535
Energy at 298.15K-238.837380
HF Energy-238.834535
Nuclear repulsion energy77.318057
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 HSEh1PBE/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 3065 2943 49.06 108.54 0.10 0.19
2 A1 1529 1468 1.29 6.08 0.74 0.85
3 A1 1138 1093 111.75 3.55 0.30 0.46
4 A1 534 513 5.10 1.87 0.72 0.84
5 A2 1280 1229 0.00 10.71 0.75 0.86
6 B1 3138 3013 53.21 47.15 0.75 0.86
7 B1 1188 1141 21.60 1.83 0.75 0.86
8 B2 1479 1420 30.62 4.33 0.75 0.86
9 B2 1125 1081 243.24 2.89 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7237.7 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 6951.0 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 HSEh1PBE/6-311G**
ABC
1.66175 0.35315 0.30916

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.499
H2 -0.912 0.000 1.102
H3 0.912 0.000 1.102
F4 0.000 1.101 -0.289
F5 0.000 -1.101 -0.289

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09341.09341.35411.3541
H21.09341.82411.99501.9950
H31.09341.82411.99501.9950
F41.35411.99501.99502.2020
F51.35411.99501.99502.2020

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 113.048 H2 C1 F4 108.730
H2 C1 F5 108.730 H3 C1 F4 108.730
H3 C1 F5 108.730 F4 C1 F5 108.794
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.273      
2 H 0.099      
3 H 0.099      
4 F -0.236      
5 F -0.236      


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 1.906 1.906
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.052 0.000 0.000
y 0.000 -18.731 0.000
z 0.000 0.000 -15.030
Traceless
 xyz
x 1.828 0.000 0.000
y 0.000 -3.690 0.000
z 0.000 0.000 1.861
Polar
3z2-r23.723
x2-y23.679
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.857 0.000 0.000
y 0.000 2.017 0.000
z 0.000 0.000 1.923


<r2> (average value of r2) Å2
<r2> 39.075
(<r2>)1/2 6.251