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

using model chemistry: ROHF/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 2 yes CS 1A'

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

Jump to S1C2 S2C1 S2C2
Energy calculated at ROHF/6-31G(2df,p)
 hartrees
Energy at 0K-1816.444008
Energy at 298.15K-1816.445405
Nuclear repulsion energy66.737076
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/6-31G(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 3219 3219 42.39      
2 A1 1485 1485 8.74      
3 A1 591 591 42.01      
4 B1 628 628 75.68      
5 B2 3303 3303 19.63      
6 B2 552 552 0.98      

Unscaled Zero Point Vibrational Energy (zpe) 4888.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4888.7 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 ROHF/6-31G(2df,p)
ABC
10.48063 0.34864 0.33742

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.443
C2 0.000 0.000 -1.507
H3 0.000 0.893 -2.118
H4 0.000 -0.893 -2.118

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.94942.71152.7115
C21.94941.08211.0821
H32.71151.08211.7866
H42.71151.08211.7866

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 124.361 Zn1 C2 H4 124.361
H3 C2 H4 111.279
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.441      
2 C -0.728      
3 H 0.144      
4 H 0.144      


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 0.142 0.142
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.866 0.000 0.000
y 0.000 -20.231 0.001
z 0.000 0.001 -25.512
Traceless
 xyz
x 1.006 0.000 0.000
y 0.000 3.458 0.001
z 0.000 0.001 -4.463
Polar
3z2-r2-8.927
x2-y2-1.635
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> 44.138
(<r2>)1/2 6.644

State 1 () , Conformer 2 ()

Jump to S1C1 S2C1 S2C2
Energy calculated at ROHF/6-31G(2df,p)
 hartrees
Energy at 0K-1816.444008
Energy at 298.15K-1816.445405
Nuclear repulsion energy66.737076
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/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at ROHF/6-31G(2df,p)
ABC
10.48063 0.34864 0.33742

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/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 ROHF/6-31G(2df,p)
 hartrees
Energy at 0K-1816.444008
Energy at 298.15K-1816.445405
Nuclear repulsion energy66.737076
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/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at ROHF/6-31G(2df,p)
ABC
10.48063 0.34864 0.33742

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

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/6-31G(2df,p)
 hartrees
Energy at 0K-1816.388852
Energy at 298.15K-1816.390217
Nuclear repulsion energy65.626430
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/6-31G(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' 3111 3111 32.05      
2 A' 1489 1489 2.84      
3 A' 761 761 660.57      
4 A' 377 377 38.59      
5 A" 3180 3180 16.99      
6 A" 692 692 92.69      

Unscaled Zero Point Vibrational Energy (zpe) 4804.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4804.6 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/6-31G(2df,p)
ABC
7.87011 0.33758 0.33162

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 -0.032 -0.441 0.000
C2 -0.032 1.587 0.000
H3 0.581 1.854 0.868
H4 0.581 1.854 -0.868

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn12.02782.52882.5288
C22.02781.09601.0960
H32.52881.09601.7367
H42.52881.09601.7367

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/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.321      
2 C -0.650      
3 H 0.165      
4 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.255 -1.486 0.000 1.508
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.297 3.547 0.000
y 3.547 -22.879 0.001
z 0.000 0.001 -21.068
Traceless
 xyz
x -1.323 3.547 0.000
y 3.547 -0.697 0.001
z 0.000 0.001 2.020
Polar
3z2-r24.041
x2-y2-0.417
xy3.547
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> 44.035
(<r2>)1/2 6.636