Time stamp: Thu Mar 11 08:55:57 2021 HoF Errors: < 2 kcal/mol   < 5 kcal/mol   < 10 kcal/mol   < 20 kcal/mol   < 50 kcal/mol.   Geometries: 0: good, 100: bad

Comparison of Structures of 14 Scandium-containing Solids predicted using PM7 and PM6-D3H4 with X-Ray

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Average unsigned error in PM7 HoF: 3.67 kcal/mol, for 5 solids
Average unsigned error in PM6-D3H4 HoF: 49.49 kcal/mol, for 5 solids

     #     GUI   Heat of formation (Kcal/formula unit) Geometry        Species
                    Ref.        PM7     PM6-D3H4      PM7 PM6-D3H4 
   784  (JSmol)     0.0         3.3       48.1       28.1   71.0   Scandium (Sc) (ICSD 52411) hcp
   785  (JSmol)              -435.4     -431.5       23.5   12.2   catena-(tris(mu-2-Formato-O,O')-scandium) (SCFORM11)
   786  (JSmol)              -554.2     -514.0       16.1   18.2   catena(Aqua-hydroxo-malonato-scandium(iii) dihydrate) (AXMLSC)
   787  (JSmol)              -343.3     -408.0       38.7   12.2   Scandium(iii) trifluoride (ScF3)
   788  (JSmol)              -611.2     -580.8        8.4    6.7   tris(Guanidinium) hexafluoro-scandium(iii) (HEYRUZ)
   789  (JSmol)              -564.3     -432.1       26.8   42.0   catena-((mu-3-Methylphosphonato)-(mu-2-fluoro)-aqua-scandium) (UDEHOB)
   790  (JSmol)             -1687.9    -1574.7       19.9   32.3   Nona-aqua-scandium(iii) tris(trifluoromethanesulfonate) (NINMIG)
   791  (JSmol)  -221.2      -225.2     -217.5       53.2   33.7   Scandium(iii) trichloride (ScCl3)
   792  (JSmol)              -246.8     -231.3       24.0   15.0   fac-(1,3,5-Trimethyl-1,3,5-triazacyclohexane)-trichloro-scandium (JASWUW)
   793  (JSmol)              -365.4     -366.9       21.1   19.1   Trichloro-(2,5,8-trioxononane)-scandium (CORNIG)
   794  (JSmol)  -456.2      -446.6     -306.3       31.9   61.2   Scandium(iii) oxide (Sc2O3) (ICSD 41264)
   795  (JSmol)              -929.7        -.-       25.4    -.-   Thortveitite (Sc2Si2O7)
  1234  (JSmol)  -148.9      -148.5     -180.4       45.1   19.5   Scandium(iii) tribromide (ScBr3)
  1757  (JSmol)  -143.4      -144.4     -129.1       35.0   22.3   Scandium(iii) triiodide (ScI3)