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

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-897.248576
Energy at 298.15K-897.252446
HF Energy-896.516385
Nuclear repulsion energy387.029382
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 CID/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 1257 1161 314.76      
2 A1 881 814 257.20      
3 A1 790 730 103.37      
4 A1 618 571 9.07      
5 A1 414 382 67.82      
6 A2 390 360 0.00      
7 B1 1431 1322 319.59      
8 B1 593 548 63.61      
9 B1 116 107 46.45      
10 B2 877 810 451.07      
11 B2 675 624 1.06      
12 B2 486 449 0.84      

Unscaled Zero Point Vibrational Energy (zpe) 4264.4 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 3939.0 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 CID/6-31G*
ABC
0.17776 0.08236 0.08091

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 -1.898
S2 0.000 0.000 0.582
O3 0.000 1.194 -0.468
O4 0.000 -1.194 -0.468
O5 -1.241 0.000 1.310
O6 1.241 0.000 1.310

Atom - Atom Distances (Å)
  Mg1 S2 O3 O4 O5 O6
Mg12.47991.86311.86313.43933.4393
S22.47991.58961.58961.43841.4384
O31.86311.58962.38762.47452.4745
O41.86311.58962.38762.47452.4745
O53.43931.43842.47452.47452.4814
O63.43931.43842.47452.47452.4814

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 91.472 Mg1 O4 S2 91.472
O3 Mg1 O4 79.697 O3 S2 O4 97.359
O3 S2 O5 109.516 O3 S2 O6 109.516
O4 S2 O5 109.516 O4 S2 O6 109.516
O5 S2 O6 119.210
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability