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

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 3B1
2 1 no C2V 1A1
2 2 yes CS 1A'

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

Jump to S1C2 S2C1 S2C2
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-1817.935916
Energy at 298.15K-1817.937298
Nuclear repulsion energy68.978483
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 PBEPBE/6-31G(2df,p)
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 3026 2995 19.14      
2 A1 1298 1285 14.72      
3 A1 618 612 19.24      
4 B1 642 635 65.88      
5 B2 3130 3098 5.15      
6 B2 512 507 0.95      

Unscaled Zero Point Vibrational Energy (zpe) 4613.5 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 4566.0 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 PBEPBE/6-31G(2df,p)
ABC
9.94592 0.37681 0.36306

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.426
C2 0.000 0.000 -1.446
H3 0.000 0.917 -2.051
H4 0.000 -0.917 -2.051

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.87172.64162.6416
C21.87171.09891.0989
H32.64161.09891.8340
H42.64161.09891.8340

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 123.443 Zn1 C2 H4 123.443
H3 C2 H4 113.114
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.291      
2 C -0.582      
3 H 0.146      
4 H 0.146      


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 -0.670 0.670
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.258 0.000 0.000
y 0.000 -20.345 0.000
z 0.000 0.000 -23.211
Traceless
 xyz
x -0.480 0.000 0.000
y 0.000 2.389 0.000
z 0.000 0.000 -1.910
Polar
3z2-r2-3.819
x2-y2-1.913
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.988 0.000 0.000
y 0.000 6.892 0.000
z 0.000 0.000 8.344


<r2> (average value of r2) Å2
<r2> 41.783
(<r2>)1/2 6.464

State 1 () , Conformer 2 ()

Jump to S1C1 S2C1 S2C2
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-1817.935916
Energy at 298.15K-1817.937298
Nuclear repulsion energy68.978483
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 PBEPBE/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at PBEPBE/6-31G(2df,p)
ABC
9.94592 0.37681 0.36306

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

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 PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-1817.911317
Energy at 298.15K 
Nuclear repulsion energy73.118035
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 PBEPBE/6-31G(2df,p)
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 3113 3081 12.27      
2 A1 1164 1152 81.06      
3 A1 761 753 6.92      
4 B1 1596i 1580i 3211.86      
5 B2 3298 3264 15.18      
6 B2 662 655 65.57      

Unscaled Zero Point Vibrational Energy (zpe) 3700.8 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 3662.7 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 PBEPBE/6-31G(2df,p)
ABC
8.68320 0.43286 0.41231

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.396
C2 0.000 0.000 -1.369
H3 0.000 0.981 -1.835
H4 0.000 -0.981 -1.835

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.76462.43762.4376
C21.76461.08681.0868
H32.43761.08681.9628
H42.43761.08681.9628

picture of Zinc methylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.390      
2 C -0.709      
3 H 0.159      
4 H 0.159      


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 2.829 2.829
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.267 0.000 0.000
y 0.000 -19.265 0.000
z 0.000 0.000 -19.568
Traceless
 xyz
x -6.850 0.000 0.000
y 0.000 3.652 0.000
z 0.000 0.000 3.198
Polar
3z2-r26.396
x2-y2-7.001
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.864 0.000 0.000
y 0.000 4.385 0.000
z 0.000 0.000 8.741


<r2> (average value of r2) Å2
<r2> 38.159
(<r2>)1/2 6.177

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

Jump to S1C1 S1C2 S2C1
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-1817.932876
Energy at 298.15K-1817.934423
Nuclear repulsion energy71.390171
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 PBEPBE/6-31G(2df,p)
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' 2863 2833 17.67      
2 A' 1301 1288 2.75      
3 A' 767 759 211.01      
4 A' 616 610 27.26      
5 A" 2940 2909 16.89      
6 A" 697 689 49.39      

Unscaled Zero Point Vibrational Energy (zpe) 4591.6 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 4544.3 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 PBEPBE/6-31G(2df,p)
ABC
7.54353 0.40973 0.40095

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 -0.033 -0.400 0.000
C2 -0.033 1.433 0.000
H3 0.603 1.696 0.882
H4 0.603 1.696 -0.882

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.83292.36122.3612
C21.83291.11891.1189
H32.36121.11891.7639
H42.36121.11891.7639

picture of Zinc methylene state 2 conformation 2
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.382      
2 C -0.688      
3 H 0.153      
4 H 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.066 -2.050 0.000 2.051
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.025 3.369 0.000
y 3.369 -22.745 0.000
z 0.000 0.000 -20.438
Traceless
 xyz
x -1.433 3.369 0.000
y 3.369 -1.014 0.000
z 0.000 0.000 2.447
Polar
3z2-r24.895
x2-y2-0.280
xy3.369
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.764 -0.452 0.000
y -0.452 11.405 0.000
z 0.000 0.000 5.528


<r2> (average value of r2) Å2
<r2> 38.978
(<r2>)1/2 6.243