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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G
 hartrees
Energy at 0K-1816.761021
Energy at 298.15K-1816.762467
Nuclear repulsion energy66.600086
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 MP2=FULL/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 3141 2984 34.05      
2 A1 1449 1376 10.36      
3 A1 560 532 24.17      
4 B1 695 660 85.35      
5 B2 3246 3084 14.47      
6 B2 617 586 2.87      

Unscaled Zero Point Vibrational Energy (zpe) 4853.5 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 4611.4 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 MP2=FULL/6-31G
ABC
10.00682 0.34836 0.33664

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.443
C2 0.000 0.000 -1.510
H3 0.000 0.914 -2.109
H4 0.000 -0.914 -2.109

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.95232.71062.7106
C21.95231.09321.0932
H32.71061.09321.8284
H42.71061.09321.8284

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 123.253 Zn1 C2 H4 123.253
H3 C2 H4 113.494
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 1 () , Conformer 2 ()

Jump to S1C1 S2C1 S2C2
Energy calculated at MP2=FULL/6-31G
 hartrees
Energy at 0K-1816.761021
Energy at 298.15K-1816.762467
Nuclear repulsion energy66.600086
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 MP2=FULL/6-31G
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-31G
ABC
10.00682 0.34836 0.33664

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/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 MP2=FULL/6-31G
 hartrees
Energy at 0K-1816.719187
Energy at 298.15K-1816.720906
Nuclear repulsion energy71.013681
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 MP2=FULL/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 3192 3033 7.33      
2 A1 1372 1303 73.16      
3 A1 710 674 2.35      
4 B1 5356 5088 0.00      
5 B2 3359 3191 3.85      
6 B2 717 682 95.13      

Unscaled Zero Point Vibrational Energy (zpe) 7352.7 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 6985.8 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 MP2=FULL/6-31G
ABC
8.98742 0.40444 0.38703

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/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 0.965 -1.911
H4 0.000 -0.965 -1.911

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.82272.51342.5134
C21.82271.08571.0857
H32.51341.08571.9293
H42.51341.08571.9293

picture of Zinc methylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

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

Jump to S1C1 S1C2 S2C1
Energy calculated at MP2=FULL/6-31G
 hartrees
Energy at 0K-1816.731868
Energy at 298.15K-1816.733413
Nuclear repulsion energy69.243014
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 MP2=FULL/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' 2970 2822 28.61      
2 A' 1407 1337 28.36      
3 A' 785 746 166.20      
4 A' 583 554 2.35      
5 A" 3066 2913 33.03      
6 A" 718 682 45.98      

Unscaled Zero Point Vibrational Energy (zpe) 4764.4 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 4526.7 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 MP2=FULL/6-31G
ABC
8.04206 0.38255 0.37239

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 -0.028 -0.417 0.000
C2 -0.028 1.470 0.000
H3 0.498 1.843 0.905
H4 0.498 1.843 -0.905

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.88672.49062.4906
C21.88671.11081.1108
H32.49061.11081.8092
H42.49061.11081.8092

picture of Zinc methylene state 2 conformation 2
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability