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

using model chemistry: LSDA/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 LSDA/6-31G*
 hartrees
Energy at 0K-1815.749945
Energy at 298.15K-1815.751372
Nuclear repulsion energy69.639092
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 LSDA/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 3055 2998 8.88      
2 A1 1312 1288 5.47      
3 A1 627 616 16.94      
4 B1 671 658 87.89      
5 B2 3163 3104 2.50      
6 B2 559 549 2.09      

Unscaled Zero Point Vibrational Energy (zpe) 4693.8 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 4606.0 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 LSDA/6-31G*
ABC
9.85584 0.38507 0.37059

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.421
C2 0.000 0.000 -1.430
H3 0.000 0.921 -2.030
H4 0.000 -0.921 -2.030

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.85122.61902.6190
C21.85121.09961.0996
H32.61901.09961.8424
H42.61901.09961.8424

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 123.099 Zn1 C2 H4 123.099
H3 C2 H4 113.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.210      
2 C -0.586      
3 H 0.188      
4 H 0.188      


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 -0.734 0.734
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.399 0.000 0.000
y 0.000 -20.245 0.000
z 0.000 0.000 -22.628
Traceless
 xyz
x -0.962 0.000 0.000
y 0.000 2.269 0.000
z 0.000 0.000 -1.307
Polar
3z2-r2-2.613
x2-y2-2.154
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.668 0.000 0.000
y 0.000 6.623 0.000
z 0.000 0.000 8.045


<r2> (average value of r2) Å2
<r2> 41.124
(<r2>)1/2 6.413

State 1 () , Conformer 2 ()

Jump to S1C1 S2C1 S2C2
Energy calculated at LSDA/6-31G*
 hartrees
Energy at 0K-1815.749945
Energy at 298.15K-1815.751372
Nuclear repulsion energy69.639092
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 LSDA/6-31G*
Rotational Constants (cm-1) from geometry optimized at LSDA/6-31G*
ABC
9.85584 0.38507 0.37059

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/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 LSDA/6-31G*
 hartrees
Energy at 0K-1815.733427
Energy at 298.15K 
Nuclear repulsion energy73.893772
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 LSDA/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 3136 3077 19.58      
2 A1 1205 1182 63.78      
3 A1 775 761 7.63      
4 B1 1383i 1357i 1573.85      
5 B2 3308 3246 19.06      
6 B2 694 681 72.82      

Unscaled Zero Point Vibrational Energy (zpe) 3867.3 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 3795.0 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 LSDA/6-31G*
ABC
8.68659 0.44319 0.42167

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.392
C2 0.000 0.000 -1.350
H3 0.000 0.981 -1.823
H4 0.000 -0.981 -1.823

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.74182.42232.4223
C21.74181.08921.0892
H32.42231.08921.9624
H42.42231.08921.9624

picture of Zinc methylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.284      
2 C -0.682      
3 H 0.199      
4 H 0.199      


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 2.788 2.788
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.269 0.000 0.000
y 0.000 -19.120 0.000
z 0.000 0.000 -19.168
Traceless
 xyz
x -7.124 0.000 0.000
y 0.000 3.598 0.000
z 0.000 0.000 3.526
Polar
3z2-r27.052
x2-y2-7.149
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.827 0.000 0.000
y 0.000 4.210 0.000
z 0.000 0.000 8.474


<r2> (average value of r2) Å2
<r2> 37.551
(<r2>)1/2 6.128

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

Jump to S1C1 S1C2 S2C1
Energy calculated at LSDA/6-31G*
 hartrees
Energy at 0K-1815.750573
Energy at 298.15K-1815.752116
Nuclear repulsion energy72.203770
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 LSDA/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' 2904 2850 15.01      
2 A' 1301 1276 7.84      
3 A' 772 758 187.74      
4 A' 629 617 31.04      
5 A" 2990 2935 10.22      
6 A" 689 676 47.10      

Unscaled Zero Point Vibrational Energy (zpe) 4642.2 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 4555.4 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 LSDA/6-31G*
ABC
7.71999 0.42012 0.40991

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 -0.032 -0.396 0.000
C2 -0.032 1.408 0.000
H3 0.570 1.714 0.889
H4 0.570 1.714 -0.889

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.80382.36762.3676
C21.80381.11631.1163
H32.36761.11631.7773
H42.36761.11631.7773

picture of Zinc methylene state 2 conformation 2
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.267      
2 C -0.640      
3 H 0.186      
4 H 0.186      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.132 -1.949 0.000 1.953
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.252 3.792 0.000
y 3.792 -22.222 0.000
z 0.000 0.000 -20.263
Traceless
 xyz
x -2.010 3.792 0.000
y 3.792 -0.464 0.000
z 0.000 0.000 2.474
Polar
3z2-r24.948
x2-y2-1.030
xy3.792
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.557 -0.569 0.000
y -0.569 11.169 0.000
z 0.000 0.000 5.309


<r2> (average value of r2) Å2
<r2> 38.425
(<r2>)1/2 6.199