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

using model chemistry: QCISD/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD/aug-cc-pVTZ
 hartrees
Energy at 0K-897.910543
Energy at 298.15K-897.914321
HF Energy-896.735105
Nuclear repulsion energy387.212111
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 QCISD/aug-cc-pVTZ
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 1204 1159 268.93      
2 A1 839 807 260.55      
3 A1 766 737 65.70      
4 A1 593 570 9.57      
5 A1 400 385 60.73      
6 A2 381 367 0.00      
7 B1 1366 1314 269.32      
8 B1 563 542 40.33      
9 B1 106 102 42.46      
10 B2 823 792 409.97      
11 B2 660 635 0.15      
12 B2 473 456 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 4086.5 cm-1
Scaled (by 0.9624) Zero Point Vibrational Energy (zpe) 3932.8 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 QCISD/aug-cc-pVTZ
ABC
0.17708 0.08263 0.08133

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 -1.890
S2 0.000 0.000 0.576
O3 0.000 1.199 -0.466
O4 0.000 -1.199 -0.466
O5 -1.241 0.000 1.309
O6 1.241 0.000 1.309

Atom - Atom Distances (Å)
  Mg1 S2 O3 O4 O5 O6
Mg12.46591.86141.86143.43123.4312
S22.46591.58821.58821.44101.4410
O31.86141.58822.39742.47522.4752
O41.86141.58822.39742.47522.4752
O53.43121.44102.47522.47522.4811
O63.43121.44102.47522.47522.4811

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 90.907 Mg1 O4 S2 90.907
O3 Mg1 O4 80.178 O3 S2 O4 98.007
O3 S2 O5 109.497 O3 S2 O6 109.497
O4 S2 O5 109.497 O4 S2 O6 109.497
O5 S2 O6 118.836
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability