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

using model chemistry: B3PW91/STO-3G

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 B3PW91/STO-3G
 hartrees
Energy at 0K-1797.451919
Energy at 298.15K-1797.453318
Nuclear repulsion energy80.070971
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 B3PW91/STO-3G
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 3350 2965 54.04      
2 A1 1518 1344 20.33      
3 A1 857 758 0.14      
4 B1 1211 1071 255.54      
5 B2 3461 3063 10.85      
6 B2 346 306 8.78      

Unscaled Zero Point Vibrational Energy (zpe) 5371.1 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 4753.5 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 B3PW91/STO-3G
ABC
10.51434 0.51931 0.49487

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.364
C2 0.000 0.000 -1.207
H3 0.000 0.892 -1.841
H4 0.000 -0.892 -1.841

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.57132.37832.3783
C21.57131.09391.0939
H32.37831.09391.7837
H42.37831.09391.7837

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 125.381 Zn1 C2 H4 125.381
H3 C2 H4 109.238
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.374      
2 C -0.548      
3 H 0.087      
4 H 0.087      


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 -0.007 0.007
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.825 0.000 0.000
y 0.000 -18.886 0.000
z 0.000 0.000 -22.511
Traceless
 xyz
x -2.127 0.000 0.000
y 0.000 3.782 0.000
z 0.000 0.000 -1.655
Polar
3z2-r2-3.311
x2-y2-3.939
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.105 0.000 0.000
y 0.000 2.864 0.000
z 0.000 0.000 4.378


<r2> (average value of r2) Å2
<r2> 34.459
(<r2>)1/2 5.870

State 1 () , Conformer 2 ()

Jump to S1C1 S2C1 S2C2
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-1797.451919
Energy at 298.15K-1797.453318
Nuclear repulsion energy80.070971
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 B3PW91/STO-3G
Rotational Constants (cm-1) from geometry optimized at B3PW91/STO-3G
ABC
10.51434 0.51931 0.49487

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

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 B3PW91/STO-3G
 hartrees
Energy at 0K-1796.977965
Energy at 298.15K 
Nuclear repulsion energy78.173406
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 B3PW91/STO-3G
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 3219 2849 60.67      
2 A1 1518 1344 160.53      
3 A1 918 813 2.98      
4 B1 2346i 2076i 9734.96      
5 B2 3408 3016 35.65      
6 B2 1264 1118 171.28      

Unscaled Zero Point Vibrational Energy (zpe) 3990.4 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 3531.5 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 B3PW91/STO-3G
ABC
9.37260 0.49825 0.47310

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.371
C2 0.000 0.000 -1.248
H3 0.000 0.945 -1.819
H4 0.000 -0.945 -1.819

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.61922.38512.3851
C21.61921.10371.1037
H32.38511.10371.8893
H42.38511.10371.8893

picture of Zinc methylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.094      
2 C -0.312      
3 H 0.109      
4 H 0.109      


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 1.401 1.401
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.730 0.000 0.000
y 0.000 -25.129 0.000
z 0.000 0.000 -17.702
Traceless
 xyz
x -1.315 0.000 0.000
y 0.000 -4.913 0.000
z 0.000 0.000 6.227
Polar
3z2-r212.455
x2-y22.399
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.987 0.000 0.000
y 0.000 -0.333 0.000
z 0.000 0.000 5.250


<r2> (average value of r2) Å2
<r2> 35.529
(<r2>)1/2 5.961

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

Jump to S1C1 S1C2 S2C1
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-1797.389456
Energy at 298.15K 
Nuclear repulsion energy86.423590
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 B3PW91/STO-3G
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' 3236 2864 29.48      
2 A' 1530 1354 79.43      
3 A' 1050 929 74.39      
4 A' 933 826 64.91      
5 A" 3332 2949 1.98      
6 A" 389i 344i 32.97      

Unscaled Zero Point Vibrational Energy (zpe) 4845.8 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 4288.5 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 B3PW91/STO-3G
ABC
10.32263 0.61152 0.57930

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 -0.010 -0.336 0.000
C2 -0.010 1.102 0.000
H3 0.174 1.729 0.886
H4 0.174 1.729 -0.886

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.43722.25462.2546
C21.43721.10141.1014
H32.25461.10141.7724
H42.25461.10141.7724

picture of Zinc methylene state 2 conformation 2
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.475      
2 C -0.630      
3 H 0.078      
4 H 0.078      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.128 -0.200 0.000 0.237
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.542 1.738 0.000
y 1.738 -21.704 0.000
z 0.000 0.000 -19.062
Traceless
 xyz
x -1.159 1.738 0.000
y 1.738 -1.401 0.000
z 0.000 0.000 2.561
Polar
3z2-r25.121
x2-y20.161
xy1.738
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.867 0.138 0.000
y 0.138 5.367 0.000
z 0.000 0.000 2.820


<r2> (average value of r2) Å2
<r2> 31.248
(<r2>)1/2 5.590