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S1C2
S1C3
Vibrational Frequencies calculated at B1B95/STO-3G
Geometric Data calculated at B1B95/STO-3G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Jump to
S1C1
S1C3
Energy calculated at B1B95/STO-3G
| hartrees |
Energy at 0K | -347.103096 |
Energy at 298.15K | -347.105241 |
HF Energy | -347.103096 |
Nuclear repulsion energy | 83.093501 |
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 B1B95/STO-3G
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 |
3679 |
3248 |
95.69 |
|
|
|
2 |
A |
917 |
810 |
1.28 |
|
|
|
3 |
A |
682 |
602 |
0.05 |
|
|
|
4 |
A |
159 |
140 |
9.72 |
|
|
|
5 |
A |
141 |
124 |
88.56 |
|
|
|
6 |
B |
3678 |
3248 |
121.91 |
|
|
|
7 |
B |
1044 |
922 |
78.92 |
|
|
|
8 |
B |
914 |
807 |
72.01 |
|
|
|
9 |
B |
153 |
135 |
61.01 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 5682.8 cm
-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 5017.9 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 B1B95/STO-3G
Point Group is C2
Cartesians (Å)
Atom |
x (Å) |
y (Å) |
z (Å) |
Mg1 |
0.000 |
0.000 |
0.005 |
O2 |
0.000 |
1.772 |
0.073 |
O3 |
0.000 |
-1.772 |
0.073 |
H4 |
-0.722 |
2.012 |
-0.614 |
H5 |
0.722 |
-2.012 |
-0.614 |
Atom - Atom Distances (Å)
|
Mg1 |
O2 |
O3 |
H4 |
H5 |
Mg1 | | 1.7737 | 1.7737 | 2.2253 | 2.2253 |
O2 | 1.7737 | | 3.5448 | 1.0247 | 3.9135 | O3 | 1.7737 | 3.5448 | | 3.9135 | 1.0247 | H4 | 2.2253 | 1.0247 | 3.9135 | | 4.2754 | H5 | 2.2253 | 3.9135 | 1.0247 | 4.2754 | |
More geometry information
Calculated Bond Angles
atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
Mg1 |
O2 |
H4 |
102.004 |
|
Mg1 |
O3 |
H5 |
102.004 |
O2 |
Mg1 |
O3 |
175.570 |
|
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Mg |
0.777 |
|
|
|
2 |
O |
-0.464 |
|
|
|
3 |
O |
-0.464 |
|
|
|
4 |
H |
0.076 |
|
|
|
5 |
H |
0.076 |
|
|
|
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 |
-1.328 |
1.328 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-14.710 |
-2.463 |
0.000 |
y |
-2.463 |
-28.592 |
0.000 |
z |
0.000 |
0.000 |
-15.010 |
|
Traceless |
| x | y | z |
x |
7.091 |
-2.463 |
0.000 |
y |
-2.463 |
-13.732 |
0.000 |
z |
0.000 |
0.000 |
6.641 |
|
Polar |
3z2-r2 | 13.282 |
x2-y2 | 13.882 |
xy | -2.463 |
xz | 0.000 |
yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
|
x |
y |
z |
x |
1.198 |
-0.460 |
0.000 |
y |
-0.460 |
3.291 |
0.000 |
z |
0.000 |
0.000 |
1.120 |
<r2> (average value of r
2) Å
2
<r2> |
72.381 |
(<r2>)1/2 |
8.508 |
Jump to
S1C1
S1C2
Energy calculated at B1B95/STO-3G
| hartrees |
Energy at 0K | -347.046719 |
Energy at 298.15K | |
HF Energy | -347.046719 |
Nuclear repulsion energy | 87.262022 |
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 B1B95/STO-3G
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 |
4051 |
3577 |
0.00 |
|
|
|
2 |
Σg |
805 |
711 |
0.00 |
|
|
|
3 |
Σu |
4049 |
3575 |
30.58 |
|
|
|
4 |
Σu |
1217 |
1075 |
224.02 |
|
|
|
5 |
Πg |
720i |
636i |
0.00 |
|
|
|
5 |
Πg |
720i |
636i |
0.00 |
|
|
|
6 |
Πu |
175 |
155 |
30.02 |
|
|
|
6 |
Πu |
175 |
155 |
30.02 |
|
|
|
7 |
Πu |
686i |
606i |
158.08 |
|
|
|
7 |
Πu |
686i |
606i |
158.08 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 3829.7 cm
-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 3381.6 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 B1B95/STO-3G
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 |
1.651 |
O3 |
0.000 |
0.000 |
-1.651 |
H4 |
0.000 |
0.000 |
2.637 |
H5 |
0.000 |
0.000 |
-2.637 |
Atom - Atom Distances (Å)
|
Mg1 |
O2 |
O3 |
H4 |
H5 |
Mg1 | | 1.6515 | 1.6515 | 2.6366 | 2.6366 |
O2 | 1.6515 | | 3.3029 | 0.9852 | 4.2881 | O3 | 1.6515 | 3.3029 | | 4.2881 | 0.9852 | H4 | 2.6366 | 0.9852 | 4.2881 | | 5.2733 | H5 | 2.6366 | 4.2881 | 0.9852 | 5.2733 | |
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 B1B95/STO-3G
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Mg |
0.899 |
|
|
|
2 |
O |
-0.582 |
|
|
|
3 |
O |
-0.582 |
|
|
|
4 |
H |
0.132 |
|
|
|
5 |
H |
0.132 |
|
|
|
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 |
-15.439 |
0.000 |
0.000 |
y |
0.000 |
-15.439 |
0.000 |
z |
0.000 |
0.000 |
-18.667 |
|
Traceless |
| x | y | z |
x |
1.614 |
0.000 |
0.000 |
y |
0.000 |
1.614 |
0.000 |
z |
0.000 |
0.000 |
-3.228 |
|
Polar |
3z2-r2 | -6.456 |
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 |
0.309 |
0.000 |
0.000 |
y |
0.000 |
0.309 |
0.000 |
z |
0.000 |
0.000 |
4.037 |
<r2> (average value of r
2) Å
2
<r2> |
67.856 |
(<r2>)1/2 |
8.237 |