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

using model chemistry: ROHF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-102.453358
Energy at 298.15K-102.454780
Nuclear repulsion energy29.746006
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/LANL2DZ
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 3227 2931 94.77      
2 A1 1488 1352 2.01      
3 A1 553 502 39.28      
4 B1 670 609 111.21      
5 B2 3329 3024 33.84      
6 B2 606 551 6.72      

Unscaled Zero Point Vibrational Energy (zpe) 4936.0 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 4484.4 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 ROHF/LANL2DZ
ABC
10.25346 0.33089 0.32054

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.454
C2 0.000 0.000 -1.552
H3 0.000 0.903 -2.153
H4 0.000 -0.903 -2.153

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn12.00602.75852.7585
C22.00601.08451.0845
H32.75851.08451.8063
H42.75851.08451.8063

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 123.618 Zn1 C2 H4 123.618
H3 C2 H4 112.765
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.473      
2 C -0.821      
3 H 0.174      
4 H 0.174      


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 0.556 0.556
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.135 0.000 0.000
y 0.000 -18.206 0.001
z 0.000 0.001 -23.502
Traceless
 xyz
x 0.719 0.000 0.000
y 0.000 3.612 0.001
z 0.000 0.001 -4.331
Polar
3z2-r2-8.662
x2-y2-1.928
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> 40.698
(<r2>)1/2 6.380

State 1 () , Conformer 2 ()

Jump to S1C1 S2C1 S2C2
Energy calculated at ROHF/LANL2DZ
 hartrees
Energy at 0K-102.453358
Energy at 298.15K-102.454780
Nuclear repulsion energy29.746006
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/LANL2DZ
Rotational Constants (cm-1) from geometry optimized at ROHF/LANL2DZ
ABC
10.25346 0.33089 0.32054

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-102.453358
Energy at 298.15K-102.454780
Nuclear repulsion energy29.746006
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/LANL2DZ
Rotational Constants (cm-1) from geometry optimized at ROHF/LANL2DZ
ABC
10.25346 0.33089 0.32054

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-102.396901
Energy at 298.15K-102.398174
Nuclear repulsion energy28.618985
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/LANL2DZ
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' 3118 2833 73.35      
2 A' 1493 1356 9.39      
3 A' 792 719 724.08      
4 A' 298 271 46.91      
5 A" 3210 2916 30.32      
6 A" 673 612 57.61      

Unscaled Zero Point Vibrational Energy (zpe) 4791.9 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 4353.4 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 ROHF/LANL2DZ
ABC
7.94818 0.30221 0.29661

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 -0.030 -0.467 0.000
C2 -0.030 1.675 0.000
H3 0.539 1.985 0.887
H4 0.539 1.985 -0.887

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn12.14232.66962.6696
C22.14231.09891.0989
H32.66961.09891.7747
H42.66961.09891.7747

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/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.323      
2 C -0.648      
3 H 0.162      
4 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.199 -1.250 0.000 1.266
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.920 3.943 0.001
y 3.943 -20.426 0.001
z 0.001 0.001 -19.125
Traceless
 xyz
x -2.144 3.943 0.001
y 3.943 0.096 0.001
z 0.001 0.001 2.048
Polar
3z2-r24.096
x2-y2-1.494
xy3.943
xz0.001
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> 42.308
(<r2>)1/2 6.504