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

using model chemistry: QCISD/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 QCISD/cc-pVDZ
 hartrees
Energy at 0K-897.441769
Energy at 298.15K-897.445368
HF Energy-896.531007
Nuclear repulsion energy379.151338
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-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 1156 1109 256.21      
2 A1 772 741 308.55      
3 A1 742 712 6.91      
4 A1 569 546 8.69      
5 A1 384 369 54.30      
6 A2 352 337 0.00      
7 B1 1326 1272 214.20      
8 B1 527 506 45.00      
9 B1 113 108 41.21      
10 B2 756 725 332.70      
11 B2 624 598 15.64      
12 B2 455 436 3.80      

Unscaled Zero Point Vibrational Energy (zpe) 3886.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 3728.9 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-pVDZ
ABC
0.16870 0.07964 0.07836

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 -1.914
S2 0.000 0.000 0.597
O3 0.000 1.228 -0.491
O4 0.000 -1.228 -0.491
O5 -1.271 0.000 1.329
O6 1.271 0.000 1.329

Atom - Atom Distances (Å)
  Mg1 S2 O3 O4 O5 O6
Mg12.51091.87971.87973.48293.4829
S22.51091.64051.64051.46661.4666
O31.87971.64052.45612.53662.5366
O41.87971.64052.45612.53662.5366
O53.48291.46662.53662.53662.5421
O63.48291.46662.53662.53662.5421

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 90.742 Mg1 O4 S2 90.742
O3 Mg1 O4 81.582 O3 S2 O4 96.933
O3 S2 O5 109.319 O3 S2 O6 109.319
O4 S2 O5 109.319 O4 S2 O6 109.319
O5 S2 O6 120.141
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability