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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G**
 hartrees
Energy at 0K-897.437133
Energy at 298.15K-897.440750
HF Energy-896.509305
Nuclear repulsion energy381.730611
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/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 1202 1123 261.76      
2 A1 787 735 331.03      
3 A1 740 691 29.88      
4 A1 577 539 12.68      
5 A1 389 363 56.47      
6 A2 356 333 0.00      
7 B1 1387 1296 241.15      
8 B1 539 504 44.72      
9 B1 109 102 43.50      
10 B2 781 730 374.41      
11 B2 619 579 12.57      
12 B2 457 427 2.07      

Unscaled Zero Point Vibrational Energy (zpe) 3971.2 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 3710.6 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/6-31G**
ABC
0.16987 0.08083 0.07988

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/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 0.586
O3 0.000 1.230 -0.479
O4 0.000 -1.230 -0.479
O5 -1.261 0.000 1.316
O6 1.261 0.000 1.316

Atom - Atom Distances (Å)
  Mg1 S2 O3 O4 O5 O6
Mg12.48441.87821.87823.45323.4532
S22.48441.62671.62671.45711.4571
O31.87821.62672.45962.51492.5149
O41.87821.62672.45962.51492.5149
O53.45321.45712.51492.51492.5217
O63.45321.45712.51492.51492.5217

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 89.984 Mg1 O4 S2 89.984
O3 Mg1 O4 81.804 O3 S2 O4 98.228
O3 S2 O5 109.153 O3 S2 O6 109.153
O4 S2 O5 109.153 O4 S2 O6 109.153
O5 S2 O6 119.834
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability