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

using model chemistry: B3LYP/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/aug-cc-pVQZ
 hartrees
Energy at 0K-239.106473
Energy at 298.15K-239.109295
HF Energy-239.106473
Nuclear repulsion energy76.992824
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 B3LYP/aug-cc-pVQZ
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 3049 2955 41.16 121.10 0.06 0.12
2 A1 1530 1482 0.17 3.21 0.72 0.84
3 A1 1103 1069 99.67 6.35 0.15 0.26
4 A1 524 507 4.55 1.15 0.61 0.76
5 A2 1269 1230 0.00 4.24 0.75 0.86
6 B1 3119 3022 30.58 43.16 0.75 0.86
7 B1 1180 1144 15.62 0.56 0.75 0.86
8 B2 1452 1407 10.60 0.66 0.75 0.86
9 B2 1062 1029 260.82 2.49 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7144.4 cm-1
Scaled (by 0.9689) Zero Point Vibrational Energy (zpe) 6922.2 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 B3LYP/aug-cc-pVQZ
ABC
1.64399 0.35044 0.30644

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.505
H2 -0.911 0.000 1.102
H3 0.911 0.000 1.102
F4 0.000 1.105 -0.291
F5 0.000 -1.105 -0.291

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.08941.08941.36231.3623
H21.08941.82241.99841.9984
H31.08941.82241.99841.9984
F41.36231.99841.99842.2108
F51.36231.99841.99842.2108

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 113.519 H2 C1 F4 108.684
H2 C1 F5 108.684 H3 C1 F4 108.684
H3 C1 F5 108.684 F4 C1 F5 108.477
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.447      
2 H 0.277      
3 H 0.277      
4 F -0.501      
5 F -0.501      


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 1.967 1.967
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.399 0.000 0.000
y 0.000 -19.309 0.000
z 0.000 0.000 -15.490
Traceless
 xyz
x 2.000 0.000 0.000
y 0.000 -3.864 0.000
z 0.000 0.000 1.864
Polar
3z2-r23.728
x2-y23.909
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.532 0.000 0.000
y 0.000 2.858 0.000
z 0.000 0.000 2.675


<r2> (average value of r2) Å2
<r2> 39.592
(<r2>)1/2 6.292