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

using model chemistry: MP3=FULL/6-31G(2df,p)

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=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-897.739440
Energy at 298.15K-897.743314
HF Energy-896.598627
Nuclear repulsion energy391.656936
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=FULL/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 1274 1274 272.38      
2 A1 877 877 258.02      
3 A1 786 786 83.30      
4 A1 617 617 10.08      
5 A1 413 413 63.10      
6 A2 396 396 0.00      
7 B1 1452 1452 268.84      
8 B1 586 586 44.42      
9 B1 102 102 42.64      
10 B2 865 865 421.17      
11 B2 679 679 0.05      
12 B2 491 491 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 4268.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4268.3 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=FULL/6-31G(2df,p)
ABC
0.18034 0.08467 0.08346

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 -1.867
S2 0.000 0.000 0.570
O3 0.000 1.190 -0.459
O4 0.000 -1.190 -0.459
O5 -1.227 0.000 1.288
O6 1.227 0.000 1.288

Atom - Atom Distances (Å)
  Mg1 S2 O3 O4 O5 O6
Mg12.43711.84321.84323.38533.3853
S22.43711.57331.57331.42181.4218
O31.84321.57332.37982.44442.4444
O41.84321.57332.37982.44442.4444
O53.38531.42182.44442.44442.4546
O63.38531.42182.44442.44442.4546

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 90.656 Mg1 O4 S2 90.656
O3 Mg1 O4 80.413 O3 S2 O4 98.275
O3 S2 O5 109.289 O3 S2 O6 109.289
O4 S2 O5 109.289 O4 S2 O6 109.289
O5 S2 O6 119.348
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability