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All results from a given calculation for ZnCH2 (Zinc methylene)

using model chemistry: CID/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 3B1
2 2 yes CS 1A'

State 1 (3B1) , Conformer 1 (C2V)

Jump to S1C2 S2C1 S2C2
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-1816.759257
Energy at 298.15K-1816.760678
Nuclear repulsion energy67.079187
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 CID/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 3198 2954 31.98      
2 A1 1440 1330 16.49      
3 A1 574 530 25.96      
4 B1 669 618 84.68      
5 B2 3293 3042 12.78      
6 B2 590 545 2.32      

Unscaled Zero Point Vibrational Energy (zpe) 4882.0 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 4509.5 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 CID/6-31G*
ABC
10.21994 0.35330 0.34150

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.440
C2 0.000 0.000 -1.498
H3 0.000 0.905 -2.101
H4 0.000 -0.905 -2.101

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.93722.69642.6964
C21.93721.08711.0871
H32.69641.08711.8092
H42.69641.08711.8092

picture of Zinc methylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Zn1 C2 H3 123.683 Zn1 C2 H4 123.683
H3 C2 H4 112.635
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 1 () , Conformer 2 ()

Jump to S1C1 S2C1 S2C2
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-1816.759257
Energy at 298.15K-1816.760678
Nuclear repulsion energy67.079187
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 CID/6-31G*
Rotational Constants (cm-1) from geometry optimized at CID/6-31G*
ABC
10.21994 0.35330 0.34150

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

Point Group is C2v

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (1A1) , Conformer 1 (C2V)

Jump to S1C1 S1C2 S2C2
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-1816.759257
Energy at 298.15K-1816.760678
Nuclear repulsion energy67.079187
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 CID/6-31G*
Rotational Constants (cm-1) from geometry optimized at CID/6-31G*
ABC
10.21994 0.35330 0.34150

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

Point Group is C2v

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (1A') , Conformer 2 (CS)

Jump to S1C1 S1C2 S2C1
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-1816.723736
Energy at 298.15K-1816.725236
Nuclear repulsion energy68.494421
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 CID/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 A' 3058 2824 23.35      
2 A' 1455 1344 8.83      
3 A' 804 742 325.18      
4 A' 510 471 15.75      
5 A" 3134 2895 26.83      
6 A" 718 663 57.08      

Unscaled Zero Point Vibrational Energy (zpe) 4839.1 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 4469.9 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 CID/6-31G*
ABC
7.93207 0.37231 0.36440

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 -0.031 -0.421 0.000
C2 -0.031 1.501 0.000
H3 0.559 1.810 0.878
H4 0.559 1.810 -0.878

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.92152.46862.4686
C21.92151.10231.1023
H32.46861.10231.7562
H42.46861.10231.7562

picture of Zinc methylene state 2 conformation 2
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability