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 58 Boron-containing Solids predicted using PM7 with X-Ray

(All solids - Periodic Table - Home - PM7 Accuracy - Manual)

Average unsigned error in PM7 HoF: 8.65 kcal/mol, for 20 solids
Average unsigned error in PM6 HoF: 24.16 kcal/mol, for 20 solids

     #     GUI   Heat of formation (Kcal/formula unit) Geometry        Species
                    Ref.        PM7        PM6        PM7    PM6 
     4   (JSmol)     0.0        -4.9       -8.2        5.7   32.8  Boron (B)
     5   (JSmol)   -45.6       -31.3      -63.1       29.4   64.5  Lithium borohydride (XIHFAW)
    49   (JSmol)   -60.8       -58.4      -75.5       14.5    3.1  Boron Nitride (BN)
    50   (JSmol)               -48.2      -40.8       10.2   25.2  BH3NH3
    52   (JSmol)   -34.1       -46.6      -36.4       18.9   21.1  (Trimethylamine)-borane (ZZZVPE02)
    53   (JSmol)   -67.9       -75.7      -60.3       30.2   24.8  Aminetrimethylborane (RIJHIB)
   107   (JSmol)               -88.3      -39.4       13.4   16.2  Aqua-tris(2-((dimethylamino)methyl)phenyl)borane (QEVYEV)
   116   (JSmol)  -191.9      -198.2     -188.5        6.1    4.8  Metaboric acid (cubic) (HBO2) (ICSD 280304)
   117   (JSmol)  -191.9      -189.4     -182.4       10.1   15.4  Metaboric acid (HBO2) (ICSD 280303)
   118   (JSmol)  -246.7      -278.0     -259.2        5.2   10.7  Lithium metaborate (LiBO2) (ICSD 34256)
   159   (JSmol)  -261.5      -252.5     -238.4        5.5   16.3  Orthoboric acid
   160   (JSmol)  -304.4      -312.0     -291.9       23.3   30.2  Boron oxide (B2O3) (ICSD 16021)
   201   (JSmol)              -194.4     -142.8       11.4   17.5  III (QAMTAZ)
   285   (JSmol)              -277.8     -270.9        6.2   31.9  Boron trifluoride (BF3) (ICSD 20904)
   286   (JSmol)  -323.6      -318.8     -314.9       30.9   28.9  Ammonia - boron trifluoride (NH3BF3) (ICSD 94885)
   296   (JSmol)   -45.9       -44.4       18.6        6.0   90.0  Sodium borohydride (NaBH4) (ICSD 1621293)
   301   (JSmol)  -233.5      -232.5     -245.2        5.3   48.1  Sodium metaborate (NaBO2) (ICSD 34645)
   309   (JSmol)  -440.9      -454.5     -472.4       28.7   19.3  Sodium tetrafluoroborate (NaBF4) (ICSD 36067)
   314   (JSmol)  -786.6      -790.7     -825.9        8.9   31.1  Sodium tetraborate (Na2B4O7) (ICSD 2040)
   316   (JSmol)             -1035.5     -702.5       20.7   60.5  Kernite (Na2B4O7 4(H2O))
   317   (JSmol)             -1480.5    -1379.9       16.1   69.9  Borax (Na2B4O7 10(H2O))
   507   (JSmol)             -1303.9    -1176.7       24.8   21.0  Sulfoborite (Mg3SO4(B(OH)4)2(OH)F)
   521   (JSmol)   -57.5       -64.3      -67.1        5.8   19.2  Boron sulfide (B2S3) (ICSD 653676)
   532   (JSmol)               -35.6      -30.4       21.8   20.8  Boron chloride (B8Cl8) (ICSD 43258)
   563   (JSmol)             -1699.3    -1539.6        9.6    2.8  Boracite (MgO)5(MgCl2)(B2O3)7
   584   (JSmol)              -112.8      -93.3       26.7   20.7  Boron trichloride (BCl3) (ICSD 27869)
   588   (JSmol)               -92.2      -63.9       23.5   17.9  B4Cl4 (ICSD 27872)
   593   (JSmol)              -717.8     -655.4       13.7   24.7  [H7O3(+)][CHB11Cl11(-)]
   594   (JSmol)              -706.8     -638.3       19.1   20.1  [H(CH3OH)3(+)][CHB11Cl11(-)]
   595   (JSmol)              -801.3     -722.3       19.5   20.8  [H9O4(+)][CHB11Cl11(-)]
   598   (JSmol)   -54.3       -44.2       -0.7       41.0   77.8  Potassium borohydride (KBH4) (ICSD 99264)
   605   (JSmol)  -234.6      -219.2     -251.3       13.4   10.7  Potassium metaborate KBO2) (ICSD 1000173)
   665   (JSmol)              -831.7     -800.6        7.8    7.7  Colemanite (Ca2B6O11 5(H2O))
   670   (JSmol)             -1627.9    -1516.6       17.5   23.2  Ulexite ((Na2O)(CaO)2(B2O3)5(H2O)16)
   675   (JSmol)              -605.4     -552.8       15.0   18.7  Datolite (CaBSiO4(OH))
   677   (JSmol)              -978.3     -875.7        8.6   28.5  Danburite ((CaO)(B2O3)(SiO2)2)
   703   (JSmol)             -1229.0    -1205.3       13.6   10.3  Parahilgardite ((CaO)2(B2O3)5(Na2O)(H2O)2)
   792   (JSmol)               197.6      272.7       16.2   14.8  hexakis(6-Isocyanoazulene-C)-chromium tetrafluoroborate (GUZCOT)
   947   (JSmol)              -290.8     -291.7       39.3   36.4  mu-2-(h5,h5-Cyclopentadienyl)-bis((h5-cyclopentadienyl)-nickel(ii)) tetrafluoroborate (TCPNIB10)
   965   (JSmol)              -846.6     -746.4       14.8   30.1  bis(Ethylenediamine) copper(ii) bis(tetrafluoroborate) (CUTFBE10)
  1055   (JSmol)               -99.8       48.1       11.8   99.9  Boron arsenide (BAs)-Sphalerite
  1159   (JSmol)               -79.0      -72.6       38.7   46.5  Boron tribromide (BBr3) (ICSD 24727)
  1200   (JSmol)  -232.1      -237.0     -208.5       44.8   51.6  Rubidium metaborate (RbBO2) (ICSD 1005205)
  1325   (JSmol)              -443.5     -454.8       11.1   15.4  p-Cycloheptatrienylium-tricarbonyl-molybdenum(0) tetrafluoroborate (CYHMOC10)
  1356   (JSmol)              -895.8     -719.6       21.5   29.8  bis(1,4,7-Trithiacyclononane-S,S',S'')-technetium bis(tetrafluoroborate) acetonitrile solvate (WACXIH)
  1393   (JSmol)              -403.4     -227.9       16.2   66.4  tris(mu-2-Chloro)-bis((h5-pentamethylcyclopentadienyl)-rhodium(iii)) tetrafluoroborate (ASUKOO)
  1399   (JSmol)              -732.1     -639.6       18.3   21.6  Tetrakis(Acetonitrile)-palladium(ii) bis(tetrafluoroborate) (KUXSIF)
  1439   (JSmol)              -271.9     -584.5       51.6   84.3  bis(Cyclo-octadiene)-silver(i) tetrafluoroborate (OCDAGB)
  1509   (JSmol)              -831.6     -746.3       23.9   20.2  catena-(Di-rubidium (mu-10-dihydrogen tetraphosphatodiborate)-di-indium) (MEQXAI)
  1518   (JSmol)              -384.4     -356.5       23.9   13.0  (Pentamethyl-cyclopentadienyl)-tin tetrafluoroborate (PMCPSN10)
  1602   (JSmol)             -1237.3    -1178.6       11.7   27.1  Tetramethylammonium tetrakis(pentafluorotelluryloxy)borate (CIGFEE)
  1676   (JSmol)               -18.1      -26.5        6.0   35.8  Boron triiodide (BI3) (ICSD 173375)
  1879   (JSmol)               463.0      209.0        9.3   13.6  Eu Complex Sparkle (EGOBEH)
  1972   (JSmol)              -518.5     -804.5       28.4   96.1  tetrakis(Tetrahydroborato)-hafnium (FUZVOL)
  1992   (JSmol)              -484.1     -504.8       28.7   28.3  Difluoropermethyltantalocene tetrafluoroborate (BAZNIZ)
  2244   (JSmol)             -1222.9    -1783.5        7.8   32.8  bis(Mesitylene)-thallium tetrateflate-boron (FIVCOC)
  2258   (JSmol)  -683.0      -670.7     -570.3       11.6   80.4  Lead borate (PbB4O7) (ICSD 1614467)
  2261   (JSmol)              -384.5     -376.0       42.7   37.9  bis((mu-2-Tetrafluoroborato-F,F')-(nu-5-pentamethyl-cyclopentadienyl))-lead (VALVOT)