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

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/6-31+G**
 hartrees
Energy at 0K-238.808361
Energy at 298.15K 
HF Energy-238.643386
Nuclear repulsion energy76.629163
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 B2PLYP=FULLultrafine/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 3132 3132 39.21 100.23 0.10 0.18
2 A1 1557 1557 1.42 6.18 0.74 0.85
3 A1 1109 1109 106.68 6.89 0.14 0.25
4 A1 514 514 5.57 1.69 0.67 0.80
5 A2 1281 1281 0.00 8.55 0.75 0.86
6 B1 3218 3218 30.56 47.30 0.75 0.86
7 B1 1187 1187 17.95 1.45 0.75 0.86
8 B2 1472 1472 25.82 3.91 0.75 0.86
9 B2 1084 1084 276.90 3.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7277.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7277.1 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 B2PLYP=FULLultrafine/6-31+G**
ABC
1.63198 0.34669 0.30325

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.509
H2 -0.914 0.000 1.101
H3 0.914 0.000 1.101
F4 0.000 1.112 -0.292
F5 0.000 -1.112 -0.292

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.08851.08851.37021.3702
H21.08851.82732.00262.0026
H31.08851.82732.00262.0026
F41.37022.00262.00262.2230
F51.37022.00262.00262.2230

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 114.146 H2 C1 F4 108.533
H2 C1 F5 108.533 H3 C1 F4 108.533
H3 C1 F5 108.533 F4 C1 F5 108.430
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.380      
2 H 0.132      
3 H 0.132      
4 F -0.322      
5 F -0.322      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.439 0.037    
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.473 0.000 0.000
y 0.000 -19.648 0.000
z 0.000 0.000 -15.482
Traceless
 xyz
x 2.092 0.000 0.000
y 0.000 -4.171 0.000
z 0.000 0.000 2.079
Polar
3z2-r24.158
x2-y24.176
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.146 0.000 0.000
y 0.000 2.445 0.000
z 0.000 0.000 2.261


<r2> (average value of r2) Å2
<r2> 39.958
(<r2>)1/2 6.321