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

using model chemistry: B3LYP/3-21G

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/3-21G
 hartrees
Energy at 0K-275.557311
Energy at 298.15K-275.559841
Nuclear repulsion energy115.921865
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/3-21G
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 3234 3121 7.03      
2 A1 1800 1737 213.81      
3 A1 1481 1429 0.12      
4 A1 932 899 49.29      
5 A1 522 504 4.90      
6 A2 735 709 0.00      
7 B1 906 874 116.26      
8 B1 644 622 1.85      
9 B2 3328 3211 0.03      
10 B2 1359 1312 163.49      
11 B2 988 953 8.10      
12 B2 434 418 1.59      

Unscaled Zero Point Vibrational Energy (zpe) 8181.6 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 7894.5 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/3-21G
ABC
0.34902 0.34304 0.17300

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.391
C2 0.000 0.000 0.074
H3 0.000 0.933 1.931
H4 0.000 -0.933 1.931
F5 0.000 1.107 -0.703
F6 0.000 -1.107 -0.703

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6
C11.31701.07841.07842.36832.3683
C21.31702.07862.07861.35211.3521
H31.07842.07861.86642.63983.3317
H41.07842.07861.86643.33172.6398
F52.36831.35212.63983.33172.2136
F62.36831.35213.33172.63982.2136

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 125.062 C1 C2 F6 125.062
C2 C1 H3 120.070 C2 C1 H4 120.070
H3 C1 H4 119.859 F5 C2 F6 109.877
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.480     -0.795
2 C 0.567     0.609
3 H 0.224     0.274
4 H 0.224     0.274
5 F -0.267     -0.181
6 F -0.267     -0.181


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 1.300 1.300
CHELPG        
AIM        
ESP 0.000 0.000 1.221 1.221


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.015 0.000 0.000
y 0.000 -21.806 0.000
z 0.000 0.000 -20.288
Traceless
 xyz
x -0.968 0.000 0.000
y 0.000 -0.655 0.000
z 0.000 0.000 1.623
Polar
3z2-r23.246
x2-y2-0.209
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.010 0.000 0.000
y 0.000 2.809 0.000
z 0.000 0.000 4.205


<r2> (average value of r2) Å2
<r2> 65.130
(<r2>)1/2 8.070