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

using model chemistry: PBE1PBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/6-31+G**
 hartrees
Energy at 0K-238.762543
Energy at 298.15K-238.765373
HF Energy-238.762543
Nuclear repulsion energy77.067561
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 PBE1PBE/6-31+G**
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 3096 2957 41.52 104.91 0.10 0.18
2 A1 1532 1464 0.89 6.28 0.75 0.86
3 A1 1136 1085 108.66 5.88 0.17 0.28
4 A1 524 500 5.52 1.55 0.70 0.82
5 A2 1273 1216 0.00 8.86 0.75 0.86
6 B1 3176 3034 33.43 49.77 0.75 0.86
7 B1 1181 1128 17.17 1.32 0.75 0.86
8 B2 1459 1394 25.01 3.99 0.75 0.86
9 B2 1118 1068 273.84 2.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7247.2 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 6923.2 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 PBE1PBE/6-31+G**
ABC
1.64683 0.35122 0.30731

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.504
H2 -0.915 0.000 1.102
H3 0.915 0.000 1.102
F4 0.000 1.104 -0.290
F5 0.000 -1.104 -0.290

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09371.09371.35981.3598
H21.09371.83081.99891.9989
H31.09371.83081.99891.9989
F41.35981.99891.99892.2079
F51.35981.99891.99892.2079

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 113.645 H2 C1 F4 108.633
H2 C1 F5 108.633 H3 C1 F4 108.633
H3 C1 F5 108.633 F4 C1 F5 108.555
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.290      
2 H 0.149      
3 H 0.149      
4 F -0.294      
5 F -0.294      


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 2.086 2.086
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.340 0.000 0.000
y 0.000 -19.334 0.000
z 0.000 0.000 -15.382
Traceless
 xyz
x 2.018 0.000 0.000
y 0.000 -3.973 0.000
z 0.000 0.000 1.955
Polar
3z2-r23.910
x2-y23.995
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.171 0.000 0.000
y 0.000 2.407 0.000
z 0.000 0.000 2.263


<r2> (average value of r2) Å2
<r2> 39.503
(<r2>)1/2 6.285