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All results from a given calculation for CF2 (Difluoromethylene)

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
2 1 yes C2V 3B1

State 1 (1A1)

Jump to S2C1
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-236.393388
Energy at 298.15K-236.393117
HF Energy-236.393388
Nuclear repulsion energy62.452850
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 1184 1139 95.02      
2 A1 603 580 6.77      
3 B2 1126 1083 223.79      

Unscaled Zero Point Vibrational Energy (zpe) 1456.1 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 1400.8 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
2.66255 0.39224 0.34188

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 0.625
F2 0.000 1.064 -0.208
F3 0.000 -1.064 -0.208

Atom - Atom Distances (Å)
  C1 F2 F3
C11.35101.3510
F21.35102.1271
F31.35102.1271

picture of Difluoromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 103.846
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 0.499      
2 F -0.250      
3 F -0.250      


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 -0.525 0.525
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.640 0.000 0.000
y 0.000 -16.079 0.000
z 0.000 0.000 -16.671
Traceless
 xyz
x 2.735 0.000 0.000
y 0.000 -0.924 0.000
z 0.000 0.000 -1.811
Polar
3z2-r2-3.623
x2-y22.439
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.140 0.000 0.000
y 0.000 1.998 0.000
z 0.000 0.000 1.166


<r2> (average value of r2) Å2
<r2> 33.142
(<r2>)1/2 5.757

State 2 (3B1)

Jump to S1C1
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-236.316098
Energy at 298.15K-236.315746
Nuclear repulsion energy60.224567
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 1074 1033 29.20      
2 A1 483 465 8.19      
3 B2 1301 1252 156.52      

Unscaled Zero Point Vibrational Energy (zpe) 1428.7 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 1374.4 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
4.18281 0.31691 0.29459

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 0.499
F2 0.000 1.183 -0.166
F3 0.000 -1.183 -0.166

Atom - Atom Distances (Å)
  C1 F2 F3
C11.35721.3572
F21.35722.3664
F31.35722.3664

picture of Difluoromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 121.342
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 0.460      
2 F -0.230      
3 F -0.230      


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 0.267 0.267
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.666 0.000 0.000
y 0.000 -16.192 0.000
z 0.000 0.000 -14.370
Traceless
 xyz
x 0.615 0.000 0.000
y 0.000 -1.674 0.000
z 0.000 0.000 1.059
Polar
3z2-r22.118
x2-y21.526
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.684 0.000 0.000
y 0.000 1.928 0.000
z 0.000 0.000 1.120


<r2> (average value of r2) Å2
<r2> 36.604
(<r2>)1/2 6.050