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

using model chemistry: MP2=FULL/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 MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-898.050503
Energy at 298.15K-898.054204
HF Energy-896.733527
Nuclear repulsion energy386.678266
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 MP2=FULL/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 1200 1142 260.30      
2 A1 812 772 303.90      
3 A1 745 709 43.89      
4 A1 582 554 10.91      
5 A1 393 374 57.51      
6 A2 376 358 0.00      
7 B1 1368 1301 267.95      
8 B1 549 522 37.02      
9 B1 101 96 42.60      
10 B2 791 753 410.63      
11 B2 642 610 2.99      
12 B2 468 445 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 4012.8 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 3817.8 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 MP2=FULL/aug-cc-pVTZ
ABC
0.17524 0.08273 0.08165

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 -1.881
S2 0.000 0.000 0.574
O3 0.000 1.209 -0.470
O4 0.000 -1.209 -0.470
O5 -1.243 0.000 1.306
O6 1.243 0.000 1.306

Atom - Atom Distances (Å)
  Mg1 S2 O3 O4 O5 O6
Mg12.45491.85781.85783.42083.4208
S22.45491.59741.59741.44281.4428
O31.85781.59742.41782.48242.4824
O41.85781.59742.41782.48242.4824
O53.42081.44282.48242.48242.4865
O63.42081.44282.48242.48242.4865

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 90.224 Mg1 O4 S2 90.224
O3 Mg1 O4 81.192 O3 S2 O4 98.361
O3 S2 O5 109.370 O3 S2 O6 109.370
O4 S2 O5 109.370 O4 S2 O6 109.370
O5 S2 O6 119.020
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability