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

using model chemistry: SVWN/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at SVWN/6-31G**
 hartrees
Energy at 0K-895.935105
Energy at 298.15K-895.938536
HF Energy-895.935105
Nuclear repulsion energy383.047433
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 SVWN/6-31G**
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 1168 1149 212.29      
2 A1 759 747 252.67      
3 A1 734 722 15.37      
4 A1 555 546 6.94      
5 A1 374 368 38.55      
6 A2 315 310 0.00      
7 B1 1347 1325 159.30      
8 B1 495 487 22.56      
9 B1 99 97 34.79      
10 B2 748 735 277.03      
11 B2 604 594 20.59      
12 B2 433 426 3.35      

Unscaled Zero Point Vibrational Energy (zpe) 3814.8 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 3752.6 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.
Rotational Constants (cm-1) from geometry optimized at SVWN/6-31G**
ABC
0.16972 0.08191 0.08088

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 -1.874
S2 0.000 0.000 0.581
O3 0.000 1.230 -0.486
O4 0.000 -1.230 -0.486
O5 -1.262 0.000 1.310
O6 1.262 0.000 1.310

Atom - Atom Distances (Å)
  Mg1 S2 O3 O4 O5 O6
Mg12.45531.85461.85463.42493.4249
S22.45531.62781.62781.45741.4574
O31.85461.62782.45902.51562.5156
O41.85461.62782.45902.51562.5156
O53.42491.45742.51562.51562.5245
O63.42491.45742.51562.51562.5245

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 89.421 Mg1 O4 S2 89.421
O3 Mg1 O4 83.050 O3 S2 O4 98.108
O3 S2 O5 109.124 O3 S2 O6 109.124
O4 S2 O5 109.124 O4 S2 O6 109.124
O5 S2 O6 120.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Mg 0.837      
2 S 1.223      
3 O -0.603      
4 O -0.603      
5 O -0.427      
6 O -0.427      


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 -11.423 11.423
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.754 0.000 0.000
y 0.000 -47.630 0.000
z 0.000 0.000 -20.441
Traceless
 xyz
x -11.719 0.000 0.000
y 0.000 -14.533 0.000
z 0.000 0.000 26.251
Polar
3z2-r252.502
x2-y21.876
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.127 0.000 0.000
y 0.000 4.968 0.000
z 0.000 0.000 9.972


<r2> (average value of r2) Å2
<r2> 152.146
(<r2>)1/2 12.335