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

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-897.389300
Energy at 298.15K-897.393025
HF Energy-896.512813
Nuclear repulsion energy383.646916
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 CCD/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 1216 1151 283.96      
2 A1 824 780 282.29      
3 A1 765 724 69.30      
4 A1 596 564 10.68      
5 A1 399 378 61.83      
6 A2 369 349 0.00      
7 B1 1392 1318 280.99      
8 B1 564 533 54.51      
9 B1 113 107 44.84      
10 B2 823 779 407.44      
11 B2 646 612 1.45      
12 B2 471 446 1.32      

Unscaled Zero Point Vibrational Energy (zpe) 4088.7 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 3870.0 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 CCD/6-31G*
ABC
0.17328 0.08126 0.08006

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 -1.902
S2 0.000 0.000 0.586
O3 0.000 1.213 -0.476
O4 0.000 -1.213 -0.476
O5 -1.253 0.000 1.316
O6 1.253 0.000 1.316

Atom - Atom Distances (Å)
  Mg1 S2 O3 O4 O5 O6
Mg12.48771.87191.87193.45293.4529
S22.48771.61251.61251.44991.4499
O31.87191.61252.42642.50062.5006
O41.87191.61252.42642.50062.5006
O53.45291.44992.50062.50062.5054
O63.45291.44992.50062.50062.5054

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 90.803 Mg1 O4 S2 90.803
O3 Mg1 O4 80.800 O3 S2 O4 97.595
O3 S2 O5 109.369 O3 S2 O6 109.369
O4 S2 O5 109.369 O4 S2 O6 109.369
O5 S2 O6 119.541
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability