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All results from a given calculation for CF2 (Difluoromethylene)

using model chemistry: QCISD/6-31G

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 QCISD/6-31G
 hartrees
Energy at 0K-236.909516
Energy at 298.15K-236.909200
HF Energy-236.569117
Nuclear repulsion energy61.092256
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 QCISD/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 1092 1052 133.58      
2 A1 570 549 6.04      
3 B2 1032 995 283.50      

Unscaled Zero Point Vibrational Energy (zpe) 1347.3 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 1298.2 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 QCISD/6-31G
ABC
2.51027 0.37729 0.32799

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.644
F2 0.000 1.084 -0.215
F3 0.000 -1.084 -0.215

Atom - Atom Distances (Å)
  C1 F2 F3
C11.38281.3828
F21.38282.1688
F31.38282.1688

picture of Difluoromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 103.289
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability

State 2 (3B1)

Jump to S1C1
Energy calculated at QCISD/6-31G
 hartrees
Energy at 0K-236.843725
Energy at 298.15K-236.843342
Nuclear repulsion energy59.169416
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 QCISD/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 1031 993 48.56      
2 A1 457 441 14.33      
3 B2 1243 1198 183.37      

Unscaled Zero Point Vibrational Energy (zpe) 1365.6 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 1315.9 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 QCISD/6-31G
ABC
3.88132 0.30840 0.28570

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.518
F2 0.000 1.199 -0.173
F3 0.000 -1.199 -0.173

Atom - Atom Distances (Å)
  C1 F2 F3
C11.38381.3838
F21.38382.3988
F31.38382.3988

picture of Difluoromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 120.170
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability