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

using model chemistry: QCISD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD/cc-pVTZ
 hartrees
Energy at 0K-897.876617
Energy at 298.15K-897.880434
HF Energy-896.728713
Nuclear repulsion energy387.888206
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 QCISD/cc-pVTZ
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 1224 1169 268.01      
2 A1 843 806 270.70      
3 A1 777 743 60.95      
4 A1 600 574 8.17      
5 A1 406 388 60.13      
6 A2 385 368 0.00      
7 B1 1392 1330 247.28      
8 B1 569 544 42.21      
9 B1 107 102 42.03      
10 B2 827 790 406.82      
11 B2 668 638 0.05      
12 B2 481 459 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 4139.1 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 3954.9 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 QCISD/cc-pVTZ
ABC
0.17725 0.08304 0.08177

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 -1.883
S2 0.000 0.000 0.575
O3 0.000 1.199 -0.467
O4 0.000 -1.199 -0.467
O5 -1.239 0.000 1.304
O6 1.239 0.000 1.304

Atom - Atom Distances (Å)
  Mg1 S2 O3 O4 O5 O6
Mg12.45831.85541.85543.41983.4198
S22.45831.58861.58861.43781.4378
O31.85541.58862.39772.47202.4720
O41.85541.58862.39772.47202.4720
O53.41981.43782.47202.47202.4785
O63.41981.43782.47202.47202.4785

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 90.750 Mg1 O4 S2 90.750
O3 Mg1 O4 80.506 O3 S2 O4 97.993
O3 S2 O5 109.433 O3 S2 O6 109.433
O4 S2 O5 109.433 O4 S2 O6 109.433
O5 S2 O6 119.061
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability