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S1C2
S1C3
Vibrational Frequencies calculated at HF/3-21G*
Geometric Data calculated at HF/3-21G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
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S1C1
S1C3
Energy calculated at HF/3-21G*
| hartrees |
Energy at 0K | -348.657228 |
Energy at 298.15K | |
HF Energy | -348.657228 |
Nuclear repulsion energy | 85.561038 |
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 HF/3-21G*
Geometric Data calculated at HF/3-21G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Jump to
S1C1
S1C2
Energy calculated at HF/3-21G*
| hartrees |
Energy at 0K | -348.660554 |
Energy at 298.15K | -348.662730 |
HF Energy | -348.660554 |
Nuclear repulsion energy | 84.674154 |
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 HF/3-21G*
Mode Number |
Symmetry |
Frequency (cm-1) |
Scaled Frequency (cm-1) |
IR Intensities (km mol-1) |
Raman Act (Å4/u) |
Dep P |
Dep U |
1 |
Σg |
4068 |
3672 |
0.00 |
|
|
|
2 |
Σg |
710 |
641 |
0.00 |
|
|
|
3 |
Σu |
4069 |
3673 |
93.60 |
|
|
|
4 |
Σu |
1068 |
964 |
142.77 |
|
|
|
5 |
Πg |
354 |
319 |
0.00 |
|
|
|
5 |
Πg |
354 |
319 |
0.00 |
|
|
|
6 |
Πu |
374 |
337 |
482.64 |
|
|
|
6 |
Πu |
374 |
337 |
482.64 |
|
|
|
7 |
Πu |
185 |
167 |
16.66 |
|
|
|
7 |
Πu |
185 |
167 |
16.66 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 5870.0 cm
-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 5298.2 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.
Geometric Data calculated at HF/3-21G*
Point Group is D∞h
Cartesians (Å)
Atom |
x (Å) |
y (Å) |
z (Å) |
Mg1 |
0.000 |
0.000 |
0.000 |
O2 |
0.000 |
0.000 |
1.718 |
O3 |
0.000 |
0.000 |
-1.718 |
H4 |
0.000 |
0.000 |
2.669 |
H5 |
0.000 |
0.000 |
-2.669 |
Atom - Atom Distances (Å)
|
Mg1 |
O2 |
O3 |
H4 |
H5 |
Mg1 | | 1.7183 | 1.7183 | 2.6694 | 2.6694 |
O2 | 1.7183 | | 3.4365 | 0.9511 | 4.3876 | O3 | 1.7183 | 3.4365 | | 4.3876 | 0.9511 | H4 | 2.6694 | 0.9511 | 4.3876 | | 5.3387 | H5 | 2.6694 | 4.3876 | 0.9511 | 5.3387 | |
More geometry information
Calculated Bond Angles
atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
Mg1 |
O2 |
H4 |
180.000 |
|
Mg1 |
O3 |
H5 |
180.000 |
O2 |
Mg1 |
O3 |
180.000 |
|
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G*
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Mg |
0.950 |
|
|
|
2 |
O |
-0.851 |
|
|
|
3 |
O |
-0.851 |
|
|
|
4 |
H |
0.376 |
|
|
|
5 |
H |
0.376 |
|
|
|
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 |
0.000 |
0.000 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-18.985 |
0.000 |
0.000 |
y |
0.000 |
-18.985 |
0.000 |
z |
0.000 |
0.000 |
-16.517 |
|
Traceless |
| x | y | z |
x |
-1.234 |
0.000 |
0.000 |
y |
0.000 |
-1.234 |
0.000 |
z |
0.000 |
0.000 |
2.468 |
|
Polar |
3z2-r2 | 4.936 |
x2-y2 | 0.000 |
xy | 0.000 |
xz | 0.000 |
yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
|
x |
y |
z |
x |
1.809 |
0.000 |
0.000 |
y |
0.000 |
1.809 |
0.000 |
z |
0.000 |
0.000 |
3.376 |
<r2> (average value of r
2) Å
2
<r2> |
72.834 |
(<r2>)1/2 |
8.534 |