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

using model chemistry: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-896.617992
Energy at 298.15K-896.622053
HF Energy-896.617992
Nuclear repulsion energy391.266280
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/6-311G*
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 1290 1166 365.96      
2 A1 939 849 251.77      
3 A1 819 740 128.17      
4 A1 644 582 8.35      
5 A1 435 393 80.45      
6 A2 425 385 0.00      
7 B1 1459 1319 410.71      
8 B1 638 577 84.74      
9 B1 124 112 47.95      
10 B2 924 836 501.25      
11 B2 705 637 9.64      
12 B2 501 453 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 4450.5 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 4025.1 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 HF/6-311G*
ABC
0.18540 0.08310 0.08143

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 -1.909
S2 0.000 0.000 0.583
O3 0.000 1.164 -0.456
O4 0.000 -1.164 -0.456
O5 -1.219 0.000 1.305
O6 1.219 0.000 1.305

Atom - Atom Distances (Å)
  Mg1 S2 O3 O4 O5 O6
Mg12.49261.86211.86213.43793.4379
S22.49261.56101.56101.41681.4168
O31.86211.56102.32902.43822.4382
O41.86211.56102.32902.43822.4382
O53.43791.41682.43822.43822.4383
O63.43791.41682.43822.43822.4383

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 93.047 Mg1 O4 S2 93.047
O3 Mg1 O4 77.416 O3 S2 O4 96.490
O3 S2 O5 109.834 O3 S2 O6 109.834
O4 S2 O5 109.834 O4 S2 O6 109.834
O5 S2 O6 118.740
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Mg 1.297      
2 S 1.638      
3 O -0.827      
4 O -0.827      
5 O -0.640      
6 O -0.640      


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 -14.630 14.630
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.280 0.000 0.000
y 0.000 -48.654 0.000
z 0.000 0.000 -16.922
Traceless
 xyz
x -14.492 0.000 0.000
y 0.000 -16.553 0.000
z 0.000 0.000 31.045
Polar
3z2-r262.090
x2-y21.373
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.358 0.000 0.000
y 0.000 3.736 0.000
z 0.000 0.000 5.637


<r2> (average value of r2) Å2
<r2> 148.751
(<r2>)1/2 12.196