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

using model chemistry: B3LYP/CEP-31G

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 B3LYP/CEP-31G
 hartrees
Energy at 0K-232.858787
Energy at 298.15K-232.860086
Nuclear repulsion energy33.053437
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 B3LYP/CEP-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 3059 2962 52.18      
2 A1 1311 1270 29.46      
3 A1 481 466 11.10      
4 B1 640 620 107.77      
5 B2 3191 3090 30.99      
6 B2 533 516 5.18      

Unscaled Zero Point Vibrational Energy (zpe) 4607.4 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 4461.8 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 B3LYP/CEP-31G
ABC
9.59187 0.33526 0.32394

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.451
C2 0.000 0.000 -1.544
H3 0.000 0.934 -2.132
H4 0.000 -0.934 -2.132

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.99442.74632.7463
C21.99441.10371.1037
H32.74631.10371.8675
H42.74631.10371.8675

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 122.213 Zn1 C2 H4 122.213
H3 C2 H4 115.574
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.180      
2 C -0.527      
3 H 0.173      
4 H 0.173      


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 -0.281 0.281
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.129 0.000 0.000
y 0.000 -19.998 0.000
z 0.000 0.000 -22.471
Traceless
 xyz
x -0.895 0.000 0.000
y 0.000 2.302 0.000
z 0.000 0.000 -1.408
Polar
3z2-r2-2.815
x2-y2-2.131
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.627 0.000 0.000
y 0.000 6.265 0.000
z 0.000 0.000 8.415


<r2> (average value of r2) Å2
<r2> 37.878
(<r2>)1/2 6.154

State 1 () , Conformer 2 ()

Jump to S1C1 S2C1 S2C2
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-232.858787
Energy at 298.15K-232.860086
Nuclear repulsion energy33.053437
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 B3LYP/CEP-31G
Rotational Constants (cm-1) from geometry optimized at B3LYP/CEP-31G
ABC
9.59187 0.33526 0.32394

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-232.814382
Energy at 298.15K-232.816015
Nuclear repulsion energy35.385488
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 B3LYP/CEP-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 3140 3041 1.14      
2 A1 1129 1093 117.43      
3 A1 614 595 0.12      
4 B1 3369 3262 74773.29      
5 B2 3365 3259 5.45      
6 B2 680 659 67.81      

Unscaled Zero Point Vibrational Energy (zpe) 6149.1 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 5954.8 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 B3LYP/CEP-31G
ABC
8.34020 0.39437 0.37657

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.414
C2 0.000 0.000 -1.445
H3 0.000 1.001 -1.877
H4 0.000 -1.001 -1.877

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.85892.50022.5002
C21.85891.09061.0906
H32.50021.09062.0028
H42.50021.09062.0028

picture of Zinc methylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.247      
2 C -0.669      
3 H 0.211      
4 H 0.211      


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 3.206 3.206
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.900 0.000 0.000
y 0.000 -18.770 0.000
z 0.000 0.000 -19.848
Traceless
 xyz
x -6.591 0.000 0.000
y 0.000 4.104 0.000
z 0.000 0.000 2.487
Polar
3z2-r24.974
x2-y2-7.130
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x -17.931 0.000 0.000
y 0.000 4.136 0.000
z 0.000 0.000 9.548


<r2> (average value of r2) Å2
<r2> 34.262
(<r2>)1/2 5.853

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

Jump to S1C1 S1C2 S2C1
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-232.842574
Energy at 298.15K-232.843994
Nuclear repulsion energy33.854225
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 B3LYP/CEP-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' 2889 2798 58.90      
2 A' 1382 1338 9.26      
3 A' 760 736 361.82      
4 A' 453 439 15.39      
5 A" 2999 2904 62.51      
6 A" 678 657 27.40      

Unscaled Zero Point Vibrational Energy (zpe) 4580.6 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 4435.9 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 B3LYP/CEP-31G
ABC
7.52566 0.35228 0.34492

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 -0.032 -0.432 0.000
C2 -0.032 1.548 0.000
H3 0.576 1.838 0.899
H4 0.576 1.838 -0.899

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.97992.51652.5165
C21.97991.12401.1240
H32.51651.12401.7989
H42.51651.12401.7989

picture of Zinc methylene state 2 conformation 2
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.206      
2 C -0.485      
3 H 0.139      
4 H 0.139      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.485 -1.665 0.000 1.735
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.046 3.843 0.000
y 3.843 -22.128 0.000
z 0.000 0.000 -20.268
Traceless
 xyz
x -1.848 3.843 0.000
y 3.843 -0.471 0.000
z 0.000 0.000 2.319
Polar
3z2-r24.638
x2-y2-0.918
xy3.843
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.790 -0.648 0.000
y -0.648 13.213 0.000
z 0.000 0.000 5.816


<r2> (average value of r2) Å2
<r2> 36.005
(<r2>)1/2 6.000