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All results from a given calculation for CH2CF2 (Ethene, 1,1-difluoro-)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-276.956882
Energy at 298.15K-276.959378
Nuclear repulsion energy117.536805
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 B3PW91/6-31G*
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 3235 3095 5.07      
2 A1 1811 1733 274.39      
3 A1 1427 1365 2.49      
4 A1 958 916 66.42      
5 A1 547 523 4.21      
6 A2 724 693 0.00      
7 B1 808 773 88.74      
8 B1 634 606 2.23      
9 B2 3334 3189 0.00      
10 B2 1368 1309 226.25      
11 B2 972 930 12.35      
12 B2 437 418 0.90      

Unscaled Zero Point Vibrational Energy (zpe) 8127.0 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 7775.1 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 B3PW91/6-31G*
ABC
0.36415 0.34775 0.17788

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.384
C2 0.000 0.000 0.062
H3 0.000 0.938 1.923
H4 0.000 -0.938 1.923
F5 0.000 1.082 -0.696
F6 0.000 -1.082 -0.696

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6
C11.32181.08151.08152.34502.3450
C21.32182.08362.08361.32171.3217
H31.08152.08361.87532.62323.3077
H41.08152.08361.87533.30772.6232
F52.34501.32172.62323.30772.1649
F62.34501.32173.30772.62322.1649

picture of Ethene, 1,1-difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F5 125.017 C1 C2 F6 125.017
C2 C1 H3 119.891 C2 C1 H4 119.891
H3 C1 H4 120.218 F5 C2 F6 109.966
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.515     -0.743
2 C 0.603     0.509
3 H 0.198     0.257
4 H 0.198     0.257
5 F -0.242     -0.140
6 F -0.242     -0.140


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 1.013 1.013
CHELPG        
AIM        
ESP 0.000 0.000 0.905 0.905


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.902 0.000 0.000
y 0.000 -21.190 0.000
z 0.000 0.000 -20.037
Traceless
 xyz
x -1.288 0.000 0.000
y 0.000 -0.220 0.000
z 0.000 0.000 1.508
Polar
3z2-r23.017
x2-y2-0.712
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 63.628
(<r2>)1/2 7.977