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S1C2
S1C3
Vibrational Frequencies calculated at LSDA/6-31G(2df,p)
Geometric Data calculated at LSDA/6-31G(2df,p)
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Jump to
S1C1
S1C3
Energy calculated at LSDA/6-31G(2df,p)
| hartrees |
Energy at 0K | -350.376709 |
Energy at 298.15K | -350.378089 |
HF Energy | -350.376709 |
Nuclear repulsion energy | 82.789912 |
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 LSDA/6-31G(2df,p)
Mode Number |
Symmetry |
Frequency (cm-1) |
Scaled Frequency (cm-1) |
IR Intensities (km mol-1) |
Raman Act (Å4/u) |
Dep P |
Dep U |
1 |
A |
3923 |
3860 |
6.92 |
|
|
|
2 |
A |
618 |
608 |
4.19 |
|
|
|
3 |
A |
296 |
291 |
37.67 |
|
|
|
4 |
A |
163 |
161 |
28.47 |
|
|
|
5 |
A |
71 |
70 |
141.48 |
|
|
|
6 |
B |
3923 |
3860 |
149.75 |
|
|
|
7 |
B |
935 |
920 |
93.91 |
|
|
|
8 |
B |
294 |
290 |
203.20 |
|
|
|
9 |
B |
161 |
159 |
34.42 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 5192.0 cm
-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 5108.9 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 LSDA/6-31G(2df,p)
Point Group is C2
Cartesians (Å)
Atom |
x (Å) |
y (Å) |
z (Å) |
Mg1 |
0.000 |
0.000 |
0.005 |
O2 |
0.000 |
1.769 |
-0.041 |
O3 |
0.000 |
-1.769 |
-0.041 |
H4 |
0.521 |
2.502 |
0.296 |
H5 |
-0.521 |
-2.502 |
0.296 |
Atom - Atom Distances (Å)
|
Mg1 |
O2 |
O3 |
H4 |
H5 |
Mg1 | | 1.7701 | 1.7701 | 2.5724 | 2.5724 |
O2 | 1.7701 | | 3.5389 | 0.9602 | 4.3165 | O3 | 1.7701 | 3.5389 | | 4.3165 | 0.9602 | H4 | 2.5724 | 0.9602 | 4.3165 | | 5.1117 | H5 | 2.5724 | 4.3165 | 0.9602 | 5.1117 | |
More geometry information
Calculated Bond Angles
atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
Mg1 |
O2 |
H4 |
138.906 |
|
Mg1 |
O3 |
H5 |
138.906 |
O2 |
Mg1 |
O3 |
176.998 |
|
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p)
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Mg |
0.364 |
|
|
|
2 |
O |
-0.490 |
|
|
|
3 |
O |
-0.490 |
|
|
|
4 |
H |
0.308 |
|
|
|
5 |
H |
0.308 |
|
|
|
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 |
1.025 |
1.025 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-19.300 |
4.739 |
0.000 |
y |
4.739 |
-22.199 |
0.000 |
z |
0.000 |
0.000 |
-20.308 |
|
Traceless |
| x | y | z |
x |
1.954 |
4.739 |
0.000 |
y |
4.739 |
-2.395 |
0.000 |
z |
0.000 |
0.000 |
0.442 |
|
Polar |
3z2-r2 | 0.883 |
x2-y2 | 2.899 |
xy | 4.739 |
xz | 0.000 |
yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
|
x |
y |
z |
x |
4.144 |
-0.224 |
0.000 |
y |
-0.224 |
4.731 |
0.000 |
z |
0.000 |
0.000 |
4.228 |
<r2> (average value of r
2) Å
2
<r2> |
76.231 |
(<r2>)1/2 |
8.731 |
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S1C1
S1C2
Energy calculated at LSDA/6-31G(2df,p)
| hartrees |
Energy at 0K | -350.375696 |
Energy at 298.15K | |
HF Energy | -350.375696 |
Nuclear repulsion energy | 83.832123 |
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 LSDA/6-31G(2df,p)
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 |
3991 |
3927 |
0.00 |
|
|
|
2 |
Σg |
634 |
624 |
0.00 |
|
|
|
3 |
Σu |
3991 |
3927 |
243.10 |
|
|
|
4 |
Σu |
985 |
969 |
136.76 |
|
|
|
5 |
Πg |
183i |
180i |
0.00 |
|
|
|
5 |
Πg |
183i |
180i |
0.00 |
|
|
|
6 |
Πu |
175 |
172 |
15.70 |
|
|
|
6 |
Πu |
175 |
172 |
15.70 |
|
|
|
7 |
Πu |
152i |
149i |
213.44 |
|
|
|
7 |
Πu |
152i |
149i |
213.44 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 4640.6 cm
-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 4566.3 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 LSDA/6-31G(2df,p)
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 |
1.737 |
O3 |
0.000 |
0.000 |
-1.737 |
H4 |
0.000 |
0.000 |
2.692 |
H5 |
0.000 |
0.000 |
-2.692 |
Atom - Atom Distances (Å)
|
Mg1 |
O2 |
O3 |
H4 |
H5 |
Mg1 | | 1.7370 | 1.7370 | 2.6923 | 2.6923 |
O2 | 1.7370 | | 3.4740 | 0.9554 | 4.4293 | O3 | 1.7370 | 3.4740 | | 4.4293 | 0.9554 | H4 | 2.6923 | 0.9554 | 4.4293 | | 5.3847 | H5 | 2.6923 | 4.4293 | 0.9554 | 5.3847 | |
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 LSDA/6-31G(2df,p)
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Mg |
0.344 |
|
|
|
2 |
O |
-0.491 |
|
|
|
3 |
O |
-0.491 |
|
|
|
4 |
H |
0.319 |
|
|
|
5 |
H |
0.319 |
|
|
|
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 |
-20.702 |
0.000 |
0.000 |
y |
0.000 |
-20.702 |
0.000 |
z |
0.000 |
0.000 |
-17.079 |
|
Traceless |
| x | y | z |
x |
-1.811 |
0.000 |
0.000 |
y |
0.000 |
-1.811 |
0.000 |
z |
0.000 |
0.000 |
3.623 |
|
Polar |
3z2-r2 | 7.245 |
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 |
4.151 |
0.000 |
0.000 |
y |
0.000 |
4.151 |
0.000 |
z |
0.000 |
0.000 |
4.449 |
<r2> (average value of r
2) Å
2
<r2> |
74.946 |
(<r2>)1/2 |
8.657 |