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

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-898.784256
Energy at 298.15K-898.786968
HF Energy-898.784256
Nuclear repulsion energy354.154810
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 B1B95/6-31G
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 910 867 145.07      
2 A1 681 649 120.27      
3 A1 632 602 102.96      
4 A1 439 419 11.42      
5 A1 296 283 35.69      
6 A2 242 230 0.00      
7 B1 1017 970 80.33      
8 B1 390 372 53.41      
9 B1 102 98 41.50      
10 B2 636 607 159.76      
11 B2 544 519 46.57      
12 B2 320 306 1.64      

Unscaled Zero Point Vibrational Energy (zpe) 3104.0 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 2960.3 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 B1B95/6-31G
ABC
0.14600 0.07084 0.06835

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 -1.986
S2 0.000 0.000 0.642
O3 0.000 1.292 -0.587
O4 0.000 -1.292 -0.587
O5 -1.393 0.000 1.434
O6 1.393 0.000 1.434

Atom - Atom Distances (Å)
  Mg1 S2 O3 O4 O5 O6
Mg12.62761.90411.90413.69263.6926
S22.62761.78321.78321.60241.6024
O31.90411.78322.58412.77402.7740
O41.90411.78322.58412.77402.7740
O53.69261.60242.77402.77402.7857
O63.69261.60242.77402.77402.7857

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 90.834 Mg1 O4 S2 90.834
O3 Mg1 O4 85.466 O3 S2 O4 92.866
O3 S2 O5 109.924 O3 S2 O6 109.924
O4 S2 O5 109.924 O4 S2 O6 109.924
O5 S2 O6 120.735
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Mg 1.198      
2 S 1.381      
3 O -0.753      
4 O -0.753      
5 O -0.537      
6 O -0.537      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -12.474 12.474
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.958 0.000 0.000
y 0.000 -52.096 0.000
z 0.000 0.000 -19.441
Traceless
 xyz
x -13.189 0.000 0.000
y 0.000 -17.896 0.000
z 0.000 0.000 31.086
Polar
3z2-r262.171
x2-y23.138
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.665 0.000 0.000
y 0.000 5.370 0.000
z 0.000 0.000 11.264


<r2> (average value of r2) Å2
<r2> 175.168
(<r2>)1/2 13.235