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

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-897.440295
Energy at 298.15K-897.443863
HF Energy-896.529122
Nuclear repulsion energy378.304454
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/cc-pVDZ
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 1178 1122 249.31      
2 A1 759 723 358.07      
3 A1 733 699 0.18      
4 A1 564 538 12.83      
5 A1 382 363 53.35      
6 A2 349 333 0.00      
7 B1 1357 1293 232.01      
8 B1 521 497 45.33      
9 B1 112 107 42.45      
10 B2 750 715 329.34      
11 B2 604 575 41.02      
12 B2 453 432 4.28      

Unscaled Zero Point Vibrational Energy (zpe) 3881.3 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 3696.9 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/cc-pVDZ
ABC
0.16705 0.07943 0.07842

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 -1.910
S2 0.000 0.000 0.598
O3 0.000 1.239 -0.493
O4 0.000 -1.239 -0.493
O5 -1.273 0.000 1.328
O6 1.273 0.000 1.328

Atom - Atom Distances (Å)
  Mg1 S2 O3 O4 O5 O6
Mg12.50761.88181.88183.47943.4794
S22.50761.65071.65071.46761.4676
O31.88181.65072.47742.54422.5442
O41.88181.65072.47742.54422.5442
O53.47941.46762.54422.54422.5457
O63.47941.46762.54422.54422.5457

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 90.205 Mg1 O4 S2 90.205
O3 Mg1 O4 82.335 O3 S2 O4 97.254
O3 S2 O5 109.212 O3 S2 O6 109.212
O4 S2 O5 109.212 O4 S2 O6 109.212
O5 S2 O6 120.283
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability