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

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-276.775096
Energy at 298.15K-276.777500
Nuclear repulsion energy116.538544
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 PBEPBE/6-31G**
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 3157 3114 5.31      
2 A1 1746 1722 249.23      
3 A1 1368 1349 1.69      
4 A1 923 911 57.80      
5 A1 529 522 3.67      
6 A2 693 683 0.00      
7 B1 747 737 74.28      
8 B1 606 598 2.46      
9 B2 3260 3216 0.00      
10 B2 1310 1292 211.83      
11 B2 928 916 12.20      
12 B2 422 416 0.72      

Unscaled Zero Point Vibrational Energy (zpe) 7844.7 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 7737.2 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 PBEPBE/6-31G**
ABC
0.35747 0.34225 0.17485

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.396
C2 0.000 0.000 0.063
H3 0.000 0.944 1.937
H4 0.000 -0.944 1.937
F5 0.000 1.093 -0.702
F6 0.000 -1.093 -0.702

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6
C11.33241.08791.08792.36482.3648
C21.33242.09792.09791.33371.3337
H31.08792.09791.88742.64273.3329
H41.08792.09791.88743.33292.6427
F52.36481.33372.64273.33292.1853
F62.36481.33373.33292.64272.1853

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 124.990 C1 C2 F6 124.990
C2 C1 H3 119.836 C2 C1 H4 119.836
H3 C1 H4 120.327 F5 C2 F6 110.020
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.367      
2 C 0.509      
3 H 0.138      
4 H 0.138      
5 F -0.209      
6 F -0.209      


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 0.869 0.869
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.972 0.000 0.000
y 0.000 -21.084 0.000
z 0.000 0.000 -20.142
Traceless
 xyz
x -1.358 0.000 0.000
y 0.000 -0.027 0.000
z 0.000 0.000 1.385
Polar
3z2-r22.771
x2-y2-0.888
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.677 0.000 0.000
y 0.000 3.266 0.000
z 0.000 0.000 4.684


<r2> (average value of r2) Å2
<r2> 64.501
(<r2>)1/2 8.031