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

using model chemistry: BLYP/3-21G*

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 BLYP/3-21G*
 hartrees
Energy at 0K-1809.741354
Energy at 298.15K-1809.742903
Nuclear repulsion energy71.479889
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 BLYP/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 3037 3018 24.88      
2 A1 1385 1376 4.60      
3 A1 699 695 13.07      
4 B1 764 759 99.44      
5 B2 3127 3106 10.97      
6 B2 618 614 2.23      

Unscaled Zero Point Vibrational Energy (zpe) 4815.0 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 4783.7 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 BLYP/3-21G*
ABC
9.98933 0.40736 0.39140

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.410
C2 0.000 0.000 -1.386
H3 0.000 0.915 -1.989
H4 0.000 -0.915 -1.989

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.79642.56712.5671
C21.79641.09541.0954
H32.56711.09541.8300
H42.56711.09541.8300

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 123.348 Zn1 C2 H4 123.348
H3 C2 H4 113.303
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.307      
2 C -0.693      
3 H 0.193      
4 H 0.193      


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 -0.546 0.546
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.977 0.000 0.000
y 0.000 -20.784 0.000
z 0.000 0.000 -23.803
Traceless
 xyz
x -0.683 0.000 0.000
y 0.000 2.606 0.000
z 0.000 0.000 -1.923
Polar
3z2-r2-3.845
x2-y2-2.193
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.860 0.000 0.000
y 0.000 6.722 0.000
z 0.000 0.000 8.029


<r2> (average value of r2) Å2
<r2> 40.224
(<r2>)1/2 6.342

State 1 () , Conformer 2 ()

Jump to S1C1 S2C1 S2C2
Energy calculated at BLYP/3-21G*
 hartrees
Energy at 0K-1809.741354
Energy at 298.15K-1809.742903
Nuclear repulsion energy71.479889
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 BLYP/3-21G*
Rotational Constants (cm-1) from geometry optimized at BLYP/3-21G*
ABC
9.98933 0.40736 0.39140

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

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 BLYP/3-21G*
 hartrees
Energy at 0K-1809.741354
Energy at 298.15K-1809.742903
Nuclear repulsion energy71.479889
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 BLYP/3-21G*
Rotational Constants (cm-1) from geometry optimized at BLYP/3-21G*
ABC
9.98933 0.40736 0.39140

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

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 BLYP/3-21G*
 hartrees
Energy at 0K-1809.734662
Energy at 298.15K-1809.736271
Nuclear repulsion energy73.201304
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 BLYP/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 A' 2886 2867 22.93      
2 A' 1379 1370 27.81      
3 A' 773 768 179.35      
4 A' 696 691 44.21      
5 A" 2950 2931 18.32      
6 A" 740 735 41.88      

Unscaled Zero Point Vibrational Energy (zpe) 4711.8 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 4681.2 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 BLYP/3-21G*
ABC
8.14518 0.43229 0.42006

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 -0.028 -0.392 0.000
C2 -0.028 1.374 0.000
H3 0.511 1.764 0.892
H4 0.511 1.764 -0.892

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.76582.39502.3950
C21.76581.11291.1129
H32.39501.11291.7832
H42.39501.11291.7832

picture of Zinc methylene state 2 conformation 2
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.335      
2 C -0.735      
3 H 0.200      
4 H 0.200      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.104 -1.527 0.000 1.530
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.202 4.165 0.000
y 4.165 -22.988 0.000
z 0.000 0.000 -20.830
Traceless
 xyz
x -2.293 4.165 0.000
y 4.165 -0.472 0.000
z 0.000 0.000 2.765
Polar
3z2-r25.531
x2-y2-1.214
xy4.165
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.942 -0.728 0.000
y -0.728 11.738 0.000
z 0.000 0.000 5.517


<r2> (average value of r2) Å2
<r2> 38.463
(<r2>)1/2 6.202