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

using model chemistry: MP3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/TZVP
 hartrees
Energy at 0K-897.557996
Energy at 298.15K-897.561733
HF Energy-896.628862
Nuclear repulsion energy384.074309
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 MP3/TZVP
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 1206 1128 299.52      
2 A1 844 789 267.42      
3 A1 750 701 79.49      
4 A1 582 545 9.44      
5 A1 389 364 69.72      
6 A2 375 351 0.00      
7 B1 1376 1286 355.82      
8 B1 571 534 71.73      
9 B1 110 103 50.33      
10 B2 819 766 442.46      
11 B2 642 601 1.76      
12 B2 461 431 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 4062.3 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 3799.1 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 MP3/TZVP
ABC
0.17609 0.08096 0.07924

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 -1.919
S2 0.000 0.000 0.593
O3 0.000 1.194 -0.475
O4 0.000 -1.194 -0.475
O5 -1.252 0.000 1.321
O6 1.252 0.000 1.321

Atom - Atom Distances (Å)
  Mg1 S2 O3 O4 O5 O6
Mg12.51201.87431.87433.47373.4737
S22.51201.60161.60161.44821.4482
O31.87431.60162.38832.49342.4934
O41.87431.60162.38832.49342.4934
O53.47371.44822.49342.49342.5033
O63.47371.44822.49342.49342.5033

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 92.213 Mg1 O4 S2 92.213
O3 Mg1 O4 79.153 O3 S2 O4 96.421
O3 S2 O5 109.583 O3 S2 O6 109.583
O4 S2 O5 109.583 O4 S2 O6 109.583
O5 S2 O6 119.608
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability