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

using model chemistry: ROHF/6-31+G**

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 ROHF/6-31+G**
 hartrees
Energy at 0K-1816.478231
Energy at 298.15K-1816.479616
Nuclear repulsion energy65.646545
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 ROHF/6-31+G**
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 3233 2767 53.31      
2 A1 1479 1266 9.63      
3 A1 558 478 47.71      
4 B1 624 534 88.22      
5 B2 3323 2844 18.80      
6 B2 572 490 1.90      

Unscaled Zero Point Vibrational Energy (zpe) 4894.5 cm-1
Scaled (by 0.8559) Zero Point Vibrational Energy (zpe) 4189.2 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 ROHF/6-31+G**
ABC
10.36877 0.33631 0.32575

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.450
C2 0.000 0.000 -1.538
H3 0.000 0.898 -2.141
H4 0.000 -0.898 -2.141

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.98822.74292.7429
C21.98821.08201.0820
H32.74291.08201.7962
H42.74291.08201.7962

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 123.900 Zn1 C2 H4 123.900
H3 C2 H4 112.199
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.278      
2 C -0.541      
3 H 0.132      
4 H 0.132      


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 0.366 0.366
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.366 0.000 0.000
y 0.000 -20.470 0.001
z 0.000 0.001 -25.898
Traceless
 xyz
x 0.818 0.000 0.000
y 0.000 3.662 0.001
z 0.000 0.001 -4.480
Polar
3z2-r2-8.960
x2-y2-1.896
xy0.000
xz0.000
yz0.001


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


<r2> (average value of r2) Å2
<r2> 45.369
(<r2>)1/2 6.736

State 1 () , Conformer 2 ()

Jump to S1C1 S2C1 S2C2
Energy calculated at ROHF/6-31+G**
 hartrees
Energy at 0K-1816.478231
Energy at 298.15K-1816.479616
Nuclear repulsion energy65.646545
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 ROHF/6-31+G**
Rotational Constants (cm-1) from geometry optimized at ROHF/6-31+G**
ABC
10.36877 0.33631 0.32575

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

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 ROHF/6-31+G**
 hartrees
Energy at 0K-1816.478231
Energy at 298.15K-1816.479616
Nuclear repulsion energy65.646545
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 ROHF/6-31+G**
Rotational Constants (cm-1) from geometry optimized at ROHF/6-31+G**
ABC
10.36877 0.33631 0.32575

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

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 ROHF/6-31+G**
 hartrees
Energy at 0K-1816.425522
Energy at 298.15K-1816.426785
Nuclear repulsion energy63.137280
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 ROHF/6-31+G**
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' 3128 2677 44.94      
2 A' 1496 1280 10.55      
3 A' 747 639 696.67      
4 A' 300 256 44.19      
5 A" 3204 2742 18.91      
6 A" 674 577 58.68      

Unscaled Zero Point Vibrational Energy (zpe) 4773.9 cm-1
Scaled (by 0.8559) Zero Point Vibrational Energy (zpe) 4086.0 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 ROHF/6-31+G**
ABC
7.86618 0.30935 0.30418

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 -0.032 -0.461 0.000
C2 -0.032 1.662 0.000
H3 0.574 1.926 0.872
H4 0.574 1.926 -0.872

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn12.12232.61282.6128
C22.12231.09471.0947
H32.61281.09471.7449
H42.61281.09471.7449

picture of Zinc methylene state 2 conformation 2
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.133      
2 C -0.401      
3 H 0.134      
4 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.160 -1.578 0.000 1.586
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.297 3.371 0.001
y 3.371 -22.792 0.001
z 0.001 0.001 -21.663
Traceless
 xyz
x -2.070 3.371 0.001
y 3.371 0.189 0.001
z 0.001 0.001 1.882
Polar
3z2-r23.763
x2-y2-1.506
xy3.371
xz0.001
yz0.001


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


<r2> (average value of r2) Å2
<r2> 46.887
(<r2>)1/2 6.847