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

using model chemistry: HSEh1PBE/6-31G**

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/6-31G**
 hartrees
Energy at 0K-238.761478
Energy at 298.15K-238.764321
HF Energy-238.761478
Nuclear repulsion energy77.292674
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3062 2922 51.29 104.20 0.11 0.20
2 A1 1556 1485 3.20 8.65 0.74 0.85
3 A1 1157 1104 101.37 4.26 0.24 0.39
4 A1 528 504 4.49 1.67 0.73 0.85
5 A2 1280 1221 0.00 13.80 0.75 0.86
6 B1 3130 2987 67.88 48.73 0.75 0.86
7 B1 1198 1143 19.51 2.33 0.75 0.86
8 B2 1495 1427 42.33 5.20 0.75 0.86
9 B2 1163 1110 208.70 3.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7283.8 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 6950.9 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/6-31G**
ABC
1.66485 0.35256 0.30870

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.497
H2 -0.909 0.000 1.109
H3 0.909 0.000 1.109
F4 0.000 1.102 -0.289
F5 0.000 -1.102 -0.289

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09631.09631.35331.3533
H21.09631.81821.99891.9989
H31.09631.81821.99891.9989
F41.35331.99891.99892.2041
F51.35331.99891.99892.2041

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 112.042 H2 C1 F4 108.926
H2 C1 F5 108.926 H3 C1 F4 108.926
H3 C1 F5 108.926 F4 C1 F5 109.050
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.360      
2 H 0.109      
3 H 0.109      
4 F -0.289      
5 F -0.289      


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 1.718 1.718
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.029 0.000 0.000
y 0.000 -18.168 0.000
z 0.000 0.000 -14.858
Traceless
 xyz
x 1.484 0.000 0.000
y 0.000 -3.225 0.000
z 0.000 0.000 1.741
Polar
3z2-r23.482
x2-y23.139
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.971 0.000 0.000
y 0.000 1.973 0.000
z 0.000 0.000 1.950


<r2> (average value of r2) Å2
<r2> 38.961
(<r2>)1/2 6.242