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

using model chemistry: B1B95/6-31G**

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 B1B95/6-31G**
 hartrees
Energy at 0K-1818.499815
Energy at 298.15K-1818.501223
Nuclear repulsion energy67.881950
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 B1B95/6-31G**
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 3129 2988 24.46      
2 A1 1362 1300 18.28      
3 A1 581 555 22.72      
4 B1 661 632 81.24      
5 B2 3236 3089 8.23      
6 B2 566 540 2.58      

Unscaled Zero Point Vibrational Energy (zpe) 4767.3 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 4551.8 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 B1B95/6-31G**
ABC
10.13922 0.36297 0.35042

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.434
C2 0.000 0.000 -1.476
H3 0.000 0.908 -2.077
H4 0.000 -0.908 -2.077

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.91022.66972.6697
C21.91021.08871.0887
H32.66971.08871.8164
H42.66971.08871.8164

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 123.464 Zn1 C2 H4 123.464
H3 C2 H4 113.073
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.274      
2 C -0.534      
3 H 0.130      
4 H 0.130      


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 -0.273 0.273
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.975 0.000 0.000
y 0.000 -20.151 0.000
z 0.000 0.000 -23.417
Traceless
 xyz
x -0.191 0.000 0.000
y 0.000 2.544 0.000
z 0.000 0.000 -2.354
Polar
3z2-r2-4.707
x2-y2-1.823
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.797 0.000 0.000
y 0.000 6.776 0.000
z 0.000 0.000 7.934


<r2> (average value of r2) Å2
<r2> 42.645
(<r2>)1/2 6.530

State 1 () , Conformer 2 ()

Jump to S1C1 S2C1 S2C2
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-1818.499815
Energy at 298.15K-1818.501223
Nuclear repulsion energy67.881950
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 B1B95/6-31G**
Rotational Constants (cm-1) from geometry optimized at B1B95/6-31G**
ABC
10.13922 0.36297 0.35042

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

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 B1B95/6-31G**
 hartrees
Energy at 0K-1818.473484
Energy at 298.15K 
Nuclear repulsion energy72.652680
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 B1B95/6-31G**
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 3205 3060 5.12      
2 A1 1229 1174 108.36      
3 A1 733 700 4.71      
4 B1 1818i 1736i 6997.11      
5 B2 3383 3230 11.93      
6 B2 704 672 80.56      

Unscaled Zero Point Vibrational Energy (zpe) 3717.7 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 3549.7 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 B1B95/6-31G**
ABC
8.93137 0.42555 0.40620

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.400
C2 0.000 0.000 -1.379
H3 0.000 0.968 -1.856
H4 0.000 -0.968 -1.856

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.77862.45422.4542
C21.77861.07881.0788
H32.45421.07881.9354
H42.45421.07881.9354

picture of Zinc methylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.333      
2 C -0.631      
3 H 0.149      
4 H 0.149      


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 3.429 3.429
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.042 0.000 0.000
y 0.000 -19.101 0.000
z 0.000 0.000 -19.506
Traceless
 xyz
x -6.738 0.000 0.000
y 0.000 3.673 0.000
z 0.000 0.000 3.066
Polar
3z2-r26.131
x2-y2-6.941
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 16.159 0.000 0.000
y 0.000 4.223 0.000
z 0.000 0.000 8.826


<r2> (average value of r2) Å2
<r2> 38.420
(<r2>)1/2 6.198

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

Jump to S1C1 S1C2 S2C1
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-1818.486572
Energy at 298.15K-1818.488086
Nuclear repulsion energy70.149059
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 B1B95/6-31G**
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' 2985 2850 20.17      
2 A' 1364 1302 6.13      
3 A' 764 729 275.87      
4 A' 566 540 15.86      
5 A" 3065 2926 20.00      
6 A" 696 664 54.65      

Unscaled Zero Point Vibrational Energy (zpe) 4719.5 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 4506.2 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 B1B95/6-31G**
ABC
7.84092 0.39291 0.38445

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 -0.032 -0.409 0.000
C2 -0.032 1.461 0.000
H3 0.575 1.755 0.876
H4 0.575 1.755 -0.876

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.86982.41262.4126
C21.86981.10551.1055
H32.41261.10551.7520
H42.41261.10551.7520

picture of Zinc methylene state 2 conformation 2
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.317      
2 C -0.576      
3 H 0.129      
4 H 0.129      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.032 -2.216 0.000 2.216
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.935 3.671 0.000
y 3.671 -22.670 0.000
z 0.000 0.000 -20.289
Traceless
 xyz
x -1.456 3.671 0.000
y 3.671 -1.058 0.000
z 0.000 0.000 2.514
Polar
3z2-r25.028
x2-y2-0.265
xy3.671
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.797 -0.594 0.000
y -0.594 12.712 0.000
z 0.000 0.000 5.683


<r2> (average value of r2) Å2
<r2> 39.936
(<r2>)1/2 6.320