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All results from a given calculation for MgSO4 (Magnesium Sulfate)

using model chemistry: B1B95/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-887.825105
Energy at 298.15K-887.827388
HF Energy-887.825105
Nuclear repulsion energy356.694920
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
4/u)
Dep P Dep U
1 A1 915 808 79.71      
2 A1 865 763 62.08      
3 A1 608 537 60.70      
4 A1 431 380 12.91      
5 A1 253 223 16.73      
6 A2 217 191 0.00      
7 B1 1029 909 38.79      
8 B1 331 292 36.71      
9 B1 96 85 25.29      
10 B2 885 781 34.29      
11 B2 541 477 51.83      
12 B2 280 247 4.11      

Unscaled Zero Point Vibrational Energy (zpe) 3224.5 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 2847.3 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.
Rotational Constants (cm-1) from geometry optimized at B1B95/STO-3G
ABC
0.13901 0.07428 0.07221

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 -1.834
S2 0.000 0.000 0.622
O3 0.000 1.339 -0.650
O4 0.000 -1.339 -0.650
O5 -1.413 0.000 1.404
O6 1.413 0.000 1.404

Atom - Atom Distances (Å)
  Mg1 S2 O3 O4 O5 O6
Mg12.45581.78811.78813.53283.5328
S22.45581.84661.84661.61511.6151
O31.78811.84662.67882.82962.8296
O41.78811.84662.67882.82962.8296
O53.53281.61512.82962.82962.8263
O63.53281.61512.82962.82962.8263

picture of Magnesium Sulfate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Mg1 O3 S2 84.993 Mg1 O4 S2 84.993
O3 Mg1 O4 97.018 O3 S2 O4 92.996
O3 S2 O5 109.471 O3 S2 O6 109.471
O4 S2 O5 109.471 O4 S2 O6 109.471
O5 S2 O6 122.077
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 0.818      
2 S 0.753      
3 O -0.415      
4 O -0.415      
5 O -0.370      
6 O -0.370      


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 -8.610 8.610
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.357 0.000 0.000
y 0.000 -41.583 0.000
z 0.000 0.000 -22.134
Traceless
 xyz
x -8.499 0.000 0.000
y 0.000 -10.337 0.000
z 0.000 0.000 18.836
Polar
3z2-r237.672
x2-y21.225
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.684 0.000 0.000
y 0.000 2.950 0.000
z 0.000 0.000 7.574


<r2> (average value of r2) Å2
<r2> 167.149
(<r2>)1/2 12.929