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

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 3B1
2 1 yes C2V 1A1

State 1 (3B1)

Jump to S2C1
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-1795.837073
Energy at 298.15K-1795.838286
Nuclear repulsion energy72.492243
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 HF/STO-3G
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 3553 2901 0.09      
2 A1 1759 1436 1.86      
3 A1 659 538 88.45      
4 B1 505 413 3.21      
5 B2 3690 3013 2.40      
6 B2 511 417 3.56      

Unscaled Zero Point Vibrational Energy (zpe) 5338.5 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 4358.9 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 HF/STO-3G
ABC
10.75720 0.41773 0.40211

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.405
C2 0.000 0.000 -1.361
H3 0.000 0.882 -1.994
H4 0.000 -0.882 -1.994

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.76652.55622.5562
C21.76651.08531.0853
H32.55621.08531.7635
H42.55621.08531.7635

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 125.663 Zn1 C2 H4 125.663
H3 C2 H4 108.674
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.344      
2 C -0.393      
3 H 0.025      
4 H 0.025      


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 -0.899 0.899
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.277 0.000 0.000
y 0.000 -18.351 0.000
z 0.000 0.000 -24.480
Traceless
 xyz
x 2.139 0.000 0.000
y 0.000 3.527 0.000
z 0.000 0.000 -5.666
Polar
3z2-r2-11.333
x2-y2-0.925
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.845 0.000 0.000
y 0.000 3.435 0.000
z 0.000 0.000 2.666


<r2> (average value of r2) Å2
<r2> 38.483
(<r2>)1/2 6.204

State 2 (1A1)

Jump to S1C1
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-1795.754572
Energy at 298.15K-1795.756166
Nuclear repulsion energy75.898218
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 HF/STO-3G
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 3588 2929 38.48      
2 A1 1720 1404 5.50      
3 A1 926 756 5.29      
4 B1 1013 827 34.93      
5 B2 3719 3037 0.07      
6 B2 582 475 14.41      

Unscaled Zero Point Vibrational Energy (zpe) 5773.8 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 4714.3 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 HF/STO-3G
ABC
10.70269 0.46185 0.44274

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.386
C2 0.000 0.000 -1.290
H3 0.000 0.884 -1.914
H4 0.000 -0.884 -1.914

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.67562.46402.4640
C21.67561.08231.0823
H32.46401.08231.7680
H42.46401.08231.7680

picture of Zinc methylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.317      
2 C -0.422      
3 H 0.053      
4 H 0.053      


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 -0.589 0.589
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.118 0.000 0.000
y 0.000 -19.275 0.000
z 0.000 0.000 -25.019
Traceless
 xyz
x -0.971 0.000 0.000
y 0.000 4.793 0.000
z 0.000 0.000 -3.822
Polar
3z2-r2-7.645
x2-y2-3.842
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.563 0.000 0.000
y 0.000 2.674 0.000
z 0.000 0.000 4.553


<r2> (average value of r2) Å2
<r2> 37.373
(<r2>)1/2 6.113