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

using model chemistry: B2PLYP=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULL/3-21G*
 hartrees
Energy at 0K-893.986713
Energy at 298.15K-893.990319
HF Energy-893.751868
Nuclear repulsion energy381.761481
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 B2PLYP=FULL/3-21G*
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 1178 229.55      
2 A1 776 776 188.42      
3 A1 751 751 130.20      
4 A1 569 569 7.24      
5 A1 390 390 41.10      
6 A2 359 359 0.00      
7 B1 1375 1375 161.59      
8 B1 520 520 40.96      
9 B1 116 116 38.25      
10 B2 762 762 243.93      
11 B2 621 621 51.78      
12 B2 458 458 6.21      

Unscaled Zero Point Vibrational Energy (zpe) 3936.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3936.4 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 B2PLYP=FULL/3-21G*
ABC
0.16914 0.08128 0.08018

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 -1.880
S2 0.000 0.000 0.589
O3 0.000 1.230 -0.495
O4 0.000 -1.230 -0.495
O5 -1.266 0.000 1.315
O6 1.266 0.000 1.315

Atom - Atom Distances (Å)
  Mg1 S2 O3 O4 O5 O6
Mg12.46901.85221.85223.43623.4362
S22.46901.63991.63991.45901.4590
O31.85221.63992.46042.52812.5281
O41.85221.63992.46042.52812.5281
O53.43621.45902.52812.52812.5316
O63.43621.45902.52812.52812.5316

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 89.776 Mg1 O4 S2 89.776
O3 Mg1 O4 83.237 O3 S2 O4 97.210
O3 S2 O5 109.198 O3 S2 O6 109.198
O4 S2 O5 109.198 O4 S2 O6 109.198
O5 S2 O6 120.358
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability