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

using model chemistry: HF/6-31G**

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 HF/6-31G**
 hartrees
Energy at 0K-1816.442847
Energy at 298.15K-1816.444235
Nuclear repulsion energy65.878933
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**
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 3234 2919 55.56      
2 A1 1468 1325 29.41      
3 A1 544 491 25.19      
4 B1 642 580 77.42      
5 B2 3324 3000 22.84      
6 B2 581 524 2.59      

Unscaled Zero Point Vibrational Energy (zpe) 4897.0 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 4420.0 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 HF/6-31G**
ABC
10.35435 0.33898 0.32824

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.449
C2 0.000 0.000 -1.532
H3 0.000 0.899 -2.134
H4 0.000 -0.899 -2.134

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.98022.73412.7341
C21.98021.08171.0817
H32.73411.08171.7975
H42.73411.08171.7975

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 123.813 Zn1 C2 H4 123.813
H3 C2 H4 112.374
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.378      
2 C -0.603      
3 H 0.112      
4 H 0.112      


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 0.239 0.239
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.873 0.000 0.000
y 0.000 -20.329 0.000
z 0.000 0.000 -25.388
Traceless
 xyz
x 0.986 0.000 0.000
y 0.000 3.301 0.000
z 0.000 0.000 -4.287
Polar
3z2-r2-8.574
x2-y2-1.544
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.088 0.000 0.000
y 0.000 7.204 0.000
z 0.000 0.000 7.341


<r2> (average value of r2) Å2
<r2> 44.904
(<r2>)1/2 6.701

State 1 () , Conformer 2 ()

Jump to S1C1 S2C1 S2C2
Energy calculated at HF/6-31G**
 hartrees
Energy at 0K-1816.442847
Energy at 298.15K-1816.444235
Nuclear repulsion energy65.878933
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**
Rotational Constants (cm-1) from geometry optimized at HF/6-31G**
ABC
10.35435 0.33898 0.32824

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

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 HF/6-31G**
 hartrees
Energy at 0K-1816.347634
Energy at 298.15K-1816.349345
Nuclear repulsion energy71.078069
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**
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 3318 2995 3.87      
2 A1 1283 1158 192.69      
3 A1 707 638 0.83      
4 B1 3485 3145 209634.70      
5 B2 3476 3138 5.05      
6 B2 716 646 120.57      

Unscaled Zero Point Vibrational Energy (zpe) 6492.1 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 5859.7 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 HF/6-31G**
ABC
9.35935 0.40363 0.38694

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.410
C2 0.000 0.000 -1.413
H3 0.000 0.945 -1.918
H4 0.000 -0.945 -1.918

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.82342.51302.5130
C21.82341.07171.0717
H32.51301.07171.8906
H42.51301.07171.8906

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** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.424      
2 C -0.710      
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 4.894 4.894
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.582 0.000 0.000
y 0.000 -19.346 0.000
z 0.000 0.000 -20.166
Traceless
 xyz
x -6.826 0.000 0.000
y 0.000 4.028 0.000
z 0.000 0.000 2.798
Polar
3z2-r25.596
x2-y2-7.236
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x -61.511 0.000 0.000
y 0.000 4.081 0.000
z 0.000 0.000 9.293


<r2> (average value of r2) Å2
<r2> 39.937
(<r2>)1/2 6.320

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

Jump to S1C1 S1C2 S2C1
Energy calculated at HF/6-31G**
 hartrees
Energy at 0K-1816.379449
Energy at 298.15K-1816.380797
Nuclear repulsion energy64.846050
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**
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' 3132 2827 44.57      
2 A' 1506 1359 4.48      
3 A' 774 699 715.25      
4 A' 360 325 44.84      
5 A" 3205 2892 22.28      
6 A" 689 622 82.97      

Unscaled Zero Point Vibrational Energy (zpe) 4833.0 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 4362.2 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 HF/6-31G**
ABC
7.99850 0.32855 0.32265

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 -0.031 -0.448 0.000
C2 -0.031 1.605 0.000
H3 0.564 1.901 0.869
H4 0.564 1.901 -0.869

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn12.05262.57412.5741
C22.05261.09451.0945
H32.57411.09451.7384
H42.57411.09451.7384

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** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.271      
2 C -0.520      
3 H 0.124      
4 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.293 -1.223 0.000 1.257
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.465 3.744 0.000
y 3.744 -22.762 0.000
z 0.000 0.000 -21.213
Traceless
 xyz
x -1.478 3.744 0.000
y 3.744 -0.423 0.000
z 0.000 0.000 1.900
Polar
3z2-r23.801
x2-y2-0.703
xy3.744
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.290 -0.620 0.000
y -0.620 18.864 0.000
z 0.000 0.000 7.422


<r2> (average value of r2) Å2
<r2> 44.918
(<r2>)1/2 6.702