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

using model chemistry: HF/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 HF/6-31G(2df,p)
 hartrees
Energy at 0K-1816.450627
Energy at 298.15K-1816.452000
Nuclear repulsion energy66.308793
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/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 3213 2910 48.18      
2 A1 1459 1322 24.85      
3 A1 555 503 27.67      
4 B1 628 569 69.00      
5 B2 3300 2988 19.32      
6 B2 552 500 1.69      

Unscaled Zero Point Vibrational Energy (zpe) 4854.3 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 4395.6 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 HF/6-31G(2df,p)
ABC
10.38041 0.34389 0.33286

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.445
C2 0.000 0.000 -1.519
H3 0.000 0.898 -2.124
H4 0.000 -0.898 -2.124

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.96472.72172.7217
C21.96471.08231.0823
H32.72171.08231.7952
H42.72171.08231.7952

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 123.968 Zn1 C2 H4 123.968
H3 C2 H4 112.065
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.417      
2 C -0.702      
3 H 0.143      
4 H 0.143      


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 0.127 0.127
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.825 0.000 0.000
y 0.000 -20.262 0.000
z 0.000 0.000 -25.316
Traceless
 xyz
x 0.964 0.000 0.000
y 0.000 3.308 0.000
z 0.000 0.000 -4.272
Polar
3z2-r2-8.545
x2-y2-1.563
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.217 0.000 0.000
y 0.000 7.254 0.000
z 0.000 0.000 7.386


<r2> (average value of r2) Å2
<r2> 44.469
(<r2>)1/2 6.668

State 1 () , Conformer 2 ()

Jump to S1C1 S2C1 S2C2
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-1816.450627
Energy at 298.15K-1816.452000
Nuclear repulsion energy66.308793
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/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at HF/6-31G(2df,p)
ABC
10.38041 0.34389 0.33286

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/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 HF/6-31G(2df,p)
 hartrees
Energy at 0K-1816.357608
Energy at 298.15K-1816.359318
Nuclear repulsion energy71.432496
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/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 3299 2987 2.44      
2 A1 1267 1147 176.14      
3 A1 736 666 1.51      
4 B1 6599 5976 0.00      
5 B2 3457 3130 6.12      
6 B2 683 619 115.19      

Unscaled Zero Point Vibrational Energy (zpe) 8020.5 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 7262.6 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 HF/6-31G(2df,p)
ABC
9.37550 0.40807 0.39105

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.408
C2 0.000 0.000 -1.404
H3 0.000 0.944 -1.911
H4 0.000 -0.944 -1.911

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.81272.50402.5040
C21.81271.07161.0716
H32.50401.07161.8890
H42.50401.07161.8890

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/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.494      
2 C -0.824      
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
  0.000 0.000 4.812 4.812
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.453 0.000 0.000
y 0.000 -19.314 0.000
z 0.000 0.000 -20.081
Traceless
 xyz
x -6.756 0.000 0.000
y 0.000 3.953 0.000
z 0.000 0.000 2.803
Polar
3z2-r25.606
x2-y2-7.139
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.217 0.000 0.000
y 0.000 7.254 0.000
z 0.000 0.000 7.386


<r2> (average value of r2) Å2
<r2> 39.630
(<r2>)1/2 6.295

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

Jump to S1C1 S1C2 S2C1
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-1816.388852
Energy at 298.15K-1816.390217
Nuclear repulsion energy65.626436
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/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 2817 32.20      
2 A' 1489 1348 2.84      
3 A' 761 689 661.00      
4 A' 377 341 38.63      
5 A" 3180 2879 17.00      
6 A" 692 627 92.62      

Unscaled Zero Point Vibrational Energy (zpe) 4804.7 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 4350.6 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 HF/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 HF/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 HF/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 -23.298 3.546 0.000
y 3.546 -22.881 0.000
z 0.000 0.000 -21.067
Traceless
 xyz
x -1.324 3.546 0.000
y 3.546 -0.698 0.000
z 0.000 0.000 2.023
Polar
3z2-r24.045
x2-y2-0.417
xy3.546
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.195 -0.678 0.000
y -0.678 18.311 0.000
z 0.000 0.000 7.224


<r2> (average value of r2) Å2
<r2> 44.035
(<r2>)1/2 6.636