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All results from a given calculation for CF2 (Difluoromethylene)

using model chemistry: mPW1PW91/6-31+G**

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 mPW1PW91/6-31+G**
 hartrees
Energy at 0K-237.648225
Energy at 298.15K-237.647996
HF Energy-237.648225
Nuclear repulsion energy64.510382
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 mPW1PW91/6-31+G**
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 1246 1186 131.88      
2 A1 666 634 3.65      
3 B2 1142 1087 410.48      

Unscaled Zero Point Vibrational Energy (zpe) 1527.4 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 1453.8 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 mPW1PW91/6-31+G**
ABC
2.87457 0.41681 0.36403

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.601
F2 0.000 1.032 -0.200
F3 0.000 -1.032 -0.200

Atom - Atom Distances (Å)
  C1 F2 F3
C11.30671.3067
F21.30672.0634
F31.30672.0634

picture of Difluoromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 104.287
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.324      
2 F -0.162      
3 F -0.162      


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 -0.519 0.519
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.433 0.000 0.000
y 0.000 -16.149 0.000
z 0.000 0.000 -17.384
Traceless
 xyz
x 2.333 0.000 0.000
y 0.000 -0.240 0.000
z 0.000 0.000 -2.093
Polar
3z2-r2-4.187
x2-y21.716
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.941 0.000 0.000
y 0.000 2.707 0.000
z 0.000 0.000 2.117


<r2> (average value of r2) Å2
<r2> 32.039
(<r2>)1/2 5.660

State 2 (3B1)

Jump to S1C1
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-237.572870
Energy at 298.15K-237.572555
Nuclear repulsion energy62.194989
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 mPW1PW91/6-31+G**
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 1162 1106 59.95      
2 A1 511 487 8.42      
3 B2 1345 1280 322.95      

Unscaled Zero Point Vibrational Energy (zpe) 1509.1 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 1436.4 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 mPW1PW91/6-31+G**
ABC
4.17615 0.34268 0.31669

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.499
F2 0.000 1.138 -0.166
F3 0.000 -1.138 -0.166

Atom - Atom Distances (Å)
  C1 F2 F3
C11.31811.3181
F21.31812.2757
F31.31812.2757

picture of Difluoromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 119.370
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.428      
2 F -0.214      
3 F -0.214      


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 0.514 0.514
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.296 0.000 0.000
y 0.000 -16.574 0.000
z 0.000 0.000 -14.811
Traceless
 xyz
x 0.397 0.000 0.000
y 0.000 -1.521 0.000
z 0.000 0.000 1.124
Polar
3z2-r22.248
x2-y21.279
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.540 0.000 0.000
y 0.000 2.392 0.000
z 0.000 0.000 1.781


<r2> (average value of r2) Å2
<r2> 35.015
(<r2>)1/2 5.917