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

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-277.058678
Energy at 298.15K-277.061165
Nuclear repulsion energy117.260838
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/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 3224 3096 4.42      
2 A1 1800 1729 262.32      
3 A1 1432 1375 3.42      
4 A1 948 910 66.34      
5 A1 543 521 4.07      
6 A2 725 696 0.00      
7 B1 810 778 77.67      
8 B1 625 600 2.59      
9 B2 3319 3187 0.08      
10 B2 1353 1299 216.80      
11 B2 972 933 15.59      
12 B2 438 421 1.05      

Unscaled Zero Point Vibrational Energy (zpe) 8093.8 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 7772.5 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/6-31G*
ABC
0.36192 0.34657 0.17704

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.386
C2 0.000 0.000 0.064
H3 0.000 0.937 1.926
H4 0.000 -0.937 1.926
F5 0.000 1.086 -0.697
F6 0.000 -1.086 -0.697

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6
C11.32271.08141.08142.34972.3497
C21.32272.08462.08461.32611.3261
H31.08142.08461.87462.62733.3127
H41.08142.08461.87463.31272.6273
F52.34971.32612.62733.31272.1719
F62.34971.32613.31272.62732.1719

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 125.025 C1 C2 F6 125.025
C2 C1 H3 119.919 C2 C1 H4 119.919
H3 C1 H4 120.163 F5 C2 F6 109.950
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.446 -0.627   -0.678
2 C 0.584 0.490   0.482
3 H 0.171 0.221   0.241
4 H 0.171 0.221   0.241
5 F -0.240 -0.152   -0.144
6 F -0.240 -0.152   -0.144


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 1.037 1.037
CHELPG 0.000 0.000 1.081 1.081
AIM        
ESP 0.000 0.000 1.061 1.061


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.877 0.000 0.000
y 0.000 -21.336 0.000
z 0.000 0.000 -20.166
Traceless
 xyz
x -1.127 0.000 0.000
y 0.000 -0.314 0.000
z 0.000 0.000 1.441
Polar
3z2-r22.882
x2-y2-0.542
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.615 0.000 0.000
y 0.000 3.103 0.000
z 0.000 0.000 4.553


<r2> (average value of r2) Å2
<r2> 63.905
(<r2>)1/2 7.994