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

using model chemistry: B3LYPultrafine/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYPultrafine/cc-pVDZ
 hartrees
Energy at 0K-238.989489
Energy at 298.15K-238.992316
HF Energy-238.989489
Nuclear repulsion energy76.812666
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 B3LYPultrafine/cc-pVDZ
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 3029 2938 50.16 119.51 0.11 0.19
2 A1 1504 1458 2.79 8.14 0.72 0.84
3 A1 1117 1083 104.93 3.68 0.31 0.48
4 A1 525 509 4.34 1.87 0.73 0.84
5 A2 1254 1216 0.00 11.51 0.75 0.86
6 B1 3098 3005 63.67 56.09 0.75 0.86
7 B1 1166 1131 21.57 2.10 0.75 0.86
8 B2 1455 1411 34.12 4.00 0.75 0.86
9 B2 1108 1075 226.24 3.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7126.8 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 6913.0 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 B3LYPultrafine/cc-pVDZ
ABC
1.63867 0.34874 0.30522

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.501
H2 -0.918 0.000 1.115
H3 0.918 0.000 1.115
F4 0.000 1.108 -0.291
F5 0.000 -1.108 -0.291

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.10381.10381.36211.3621
H21.10381.83522.01152.0115
H31.10381.83522.01152.0115
F41.36212.01152.01152.2159
F51.36212.01152.01152.2159

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 112.469 H2 C1 F4 108.864
H2 C1 F5 108.864 H3 C1 F4 108.864
H3 C1 F5 108.864 F4 C1 F5 108.854
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.384      
2 H 0.020      
3 H 0.020      
4 F -0.212      
5 F -0.212      


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 1.783 1.783
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.096 0.000 0.000
y 0.000 -18.408 0.000
z 0.000 0.000 -14.955
Traceless
 xyz
x 1.585 0.000 0.000
y 0.000 -3.382 0.000
z 0.000 0.000 1.797
Polar
3z2-r23.594
x2-y23.311
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.859 0.000 0.000
y 0.000 1.975 0.000
z 0.000 0.000 1.904


<r2> (average value of r2) Å2
<r2> 39.387
(<r2>)1/2 6.276