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

using model chemistry: MP2=FULL/6-311G**

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/6-311G**
 hartrees
Energy at 0K-1817.537868
Energy at 298.15K-1817.539226
Nuclear repulsion energy67.228797
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/6-311G**
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 3147 2986 42.45      
2 A1 1344 1275 35.64      
3 A1 547 519 26.97      
4 B1 618 586 96.10      
5 B2 3247 3080 29.76      
6 B2 548 520 26.86      

Unscaled Zero Point Vibrational Energy (zpe) 4725.7 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 4482.8 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/6-311G**
ABC
10.14335 0.35526 0.34324

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.438
C2 0.000 0.000 -1.494
H3 0.000 0.908 -2.094
H4 0.000 -0.908 -2.094

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.93192.69052.6905
C21.93191.08871.0887
H32.69051.08871.8161
H42.69051.08871.8161

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 123.486 Zn1 C2 H4 123.486
H3 C2 H4 113.027
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 1 () , Conformer 2 ()

Jump to S1C1 S2C1 S2C2
Energy calculated at MP2=FULL/6-311G**
 hartrees
Energy at 0K-1817.537868
Energy at 298.15K-1817.539226
Nuclear repulsion energy67.228797
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/6-311G**
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-311G**
ABC
10.14335 0.35526 0.34324

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

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/6-311G**
 hartrees
Energy at 0K-1817.481865
Energy at 298.15K-1817.483525
Nuclear repulsion energy70.946721
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/6-311G**
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 3246 3079 0.36      
2 A1 1253 1189 199.25      
3 A1 624 592 4.52      
4 B1 1410 1338 895.10      
5 B2 3454 3276 2.73      
6 B2 715 678 44.33      

Unscaled Zero Point Vibrational Energy (zpe) 5350.4 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 5075.4 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/6-311G**
ABC
8.51649 0.40489 0.38651

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.408
C2 0.000 0.000 -1.428
H3 0.000 0.991 -1.843
H4 0.000 -0.991 -1.843

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.83672.45962.4596
C21.83671.07411.0741
H32.45961.07411.9819
H42.45961.07411.9819

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/6-311G**
 hartrees
Energy at 0K-1817.520654
Energy at 298.15K-1817.522152
Nuclear repulsion energy68.627177
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/6-311G**
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' 2919 2769 120.82      
2 A' 1402 1330 1.13      
3 A' 786 745 134.46      
4 A' 507 481 1.19      
5 A" 2983 2830 141.38      
6 A" 714 677 10.60      

Unscaled Zero Point Vibrational Energy (zpe) 4655.1 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 4415.8 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/6-311G**
ABC
7.54512 0.37428 0.36796

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 -0.035 -0.418 0.000
C2 -0.035 1.507 0.000
H3 0.629 1.743 0.864
H4 0.629 1.743 -0.864

Atom - Atom Distances (Å)
  Zn1 C2 H3 H4
Zn11.92412.42002.4200
C21.92411.11481.1148
H32.42001.11481.7278
H42.42001.11481.7278

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