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All results from a given calculation for CF2 (Difluoromethylene)

using model chemistry: LSDA/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 LSDA/3-21G
 hartrees
Energy at 0K-235.269869
Energy at 298.15K-235.269595
HF Energy-235.269869
Nuclear repulsion energy62.725089
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 LSDA/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 1182 1163 81.35      
2 A1 594 584 5.82      
3 B2 1138 1119 196.11      

Unscaled Zero Point Vibrational Energy (zpe) 1456.7 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 1432.9 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 LSDA/3-21G
ABC
2.67940 0.39600 0.34501

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.623
F2 0.000 1.058 -0.208
F3 0.000 -1.058 -0.208

Atom - Atom Distances (Å)
  C1 F2 F3
C11.34551.3455
F21.34552.1169
F31.34552.1169

picture of Difluoromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 103.757
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.398      
2 F -0.199      
3 F -0.199      


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 -0.786 0.786
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.789 0.000 0.000
y 0.000 -15.721 0.000
z 0.000 0.000 -16.779
Traceless
 xyz
x 2.461 0.000 0.000
y 0.000 -0.437 0.000
z 0.000 0.000 -2.024
Polar
3z2-r2-4.048
x2-y21.932
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.163 0.000 0.000
y 0.000 2.031 0.000
z 0.000 0.000 1.212


<r2> (average value of r2) Å2
<r2> 32.908
(<r2>)1/2 5.737

State 2 (3B1)

Jump to S1C1
Energy calculated at LSDA/3-21G
 hartrees
Energy at 0K-235.186136
Energy at 298.15K-235.185797
Nuclear repulsion energy60.748450
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 LSDA/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 1100 1082 23.28      
2 A1 488 480 6.51      
3 B2 1352 1330 147.07      

Unscaled Zero Point Vibrational Energy (zpe) 1469.8 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 1445.7 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 LSDA/3-21G
ABC
4.27318 0.32219 0.29960

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.493
F2 0.000 1.173 -0.164
F3 0.000 -1.173 -0.164

Atom - Atom Distances (Å)
  C1 F2 F3
C11.34521.3452
F21.34522.3469
F31.34522.3469

picture of Difluoromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 121.461
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.376      
2 F -0.188      
3 F -0.188      


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 -0.003 0.003
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.804 0.000 0.000
y 0.000 -15.767 0.000
z 0.000 0.000 -14.588
Traceless
 xyz
x 0.374 0.000 0.000
y 0.000 -1.071 0.000
z 0.000 0.000 0.697
Polar
3z2-r21.395
x2-y20.963
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.710 0.000 0.000
y 0.000 1.964 0.000
z 0.000 0.000 1.147


<r2> (average value of r2) Å2
<r2> 36.135
(<r2>)1/2 6.011