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 144 Potassium-containing Solids predicted using PM7 and PM6-D3H4 with X-Ray 
  (All solids - Periodic Table - Home - Accuracy - Manual)
 Average unsigned error in PM7      HoF:    23.28 kcal/mol, for   40 solids
 
 Average unsigned error in PM6-D3H4 HoF:    52.62 kcal/mol, for   40 solids 
 
     #     GUI   Heat of formation (Kcal/formula unit) Geometry        Species
                    Ref.        PM7     PM6-D3H4      PM7 PM6-D3H4 
    664  (JSmol)         0.0            21.5            -7.8             0.0       74.7   Potassium (K) (ICSD 44670) 
    665  (JSmol)     -54.3          -43.5              1.9           37.8       78.9   Potassium borohydride (KBH4) (ICSD 99264) 
    666  (JSmol)     -30.8          -12.1          -30.7           42.0       48.1   Potassium amide (KNH2) (ICSD 24519) 
    667  (JSmol)     -24.9            -7.3          -76.3           21.9       17.1   Potassium cyanide (KCN) (ICSD 27350) 
    668  (JSmol)                  -87.2          -86.6           44.9       59.6   Potassium deuteriooxide (KOH) (ICSD 65163) 
    669  (JSmol)   -162.4        -146.0        -163.3           17.7       12.9   Potassium formate (POTFRM) 
    670  (JSmol)                -162.5        -149.2           35.1       89.9   Potassium hydroxide hydrate (KOH (H2O)) (ICSD 47114) 
    671  (JSmol)                -162.3        -143.3           36.7       86.7   Potassium hydroxide hydrate (KOH H2O) (ICSD 1706151) 
    672  (JSmol)   -234.6        -219.3        -254.0           11.7       10.4   Potassium metaborate KBO2) (ICSD 1000173) 
    673  (JSmol)     -88.4          -78.6        -129.5           22.1       41.6   Potassium nitrite (KNO2) (ICSD 1906878) 
    674  (JSmol)     -88.4          -76.9        -129.6           71.8       71.9   Potassium nitrite (KNO2) (ICSD 36202) 
    675  (JSmol)                  -78.5        -130.8           22.4       45.7   Potassium nitrite (KNO2) (ICSD 86117) 
    676  (JSmol)   -230.2        -211.8        -240.1           25.5       58.8   Kalicinite (KHCO3) 
    677  (JSmol)                -135.9        -185.9           20.8       37.6   catena-((mu-8-Rhodizonato)-di-potassium) (ZZZHDA01) 
    678  (JSmol)   -118.2          -99.3        -144.4           27.3       41.4   Niter (KNO3) 
    679  (JSmol)                -283.2        -288.5           20.1       23.2   Potassium hydrogen acetate 
    680  (JSmol)                -398.6        -339.8           26.5       69.6   Potassium hydroxide tetrahydrate (KOH 4(H2O)) (ICSD 36598) 
    681  (JSmol)   -135.6        -142.1        -188.0           17.7       29.2   KF 
    682  (JSmol)   -221.0        -198.5        -227.8           35.8       21.7   Potassium hydrogen fluoride (KHF2) (ICSD 18094) 
    683  (JSmol)                -451.5        -461.6           23.4       11.6   Potassium aluminum carbonate hydroxide (KAlCO3 (2(OH)) 
    684  (JSmol)                -521.3        -510.5           14.8       19.3   Hydrated potassium dawsonite (KAl(CO3)(OH)2 H2O) 
    685  (JSmol)                -863.6        -834.1           10.5       18.8   Orthoclase (KAlSi3O8) 
    686  (JSmol)              -2100.0      -2304.1           25.1       17.3   Nepheline ((KNa3O2)(Al2O3)2(SiO2)4) 
    687  (JSmol)                -294.2        -309.6           27.9       12.1   Potassium cyclo-hexaphosphate (KPO3) 
    688  (JSmol)                -347.5        -351.9           28.0       28.1   KPO3 2(H2O) 
    689  (JSmol)   -374.8        -347.5        -344.9           21.8       19.5   Potassium dihydrogenphosphate (KH2PO4) (ICSD 87895) 
    690  (JSmol)                -573.5        -648.9           28.8       29.1   Potassium hexafluorophosphate (KPF6) (ICSD 1616491) 
    691  (JSmol)                -799.6        -788.7           22.6       19.8   Potassium adenosine-5'-diphosphate dihydrate (KADPHD02) 
    692  (JSmol)                -909.8        -989.2           50.2       23.5   Disodium potassium cyclo-triphosphate (Na2KP3O9) (ICSD 2346) 
    693  (JSmol)                -883.5        -981.4           51.0       30.6   Sodium potassium trimetaphosphate (Na2KP3O9) 
    694  (JSmol)   -277.4        -264.7        -289.6           20.1       19.7   Mercallite (KHSO4) 
    695  (JSmol)                -661.1        -653.2             9.1       11.5   Nonactin-potassium thiocyanate (NONKCS) 
    696  (JSmol)              -1484.4      -1312.8           12.5       10.4   Alum (KAl(SO4)2 12(H2O)) 
    697  (JSmol)              -1465.9      -1295.3           26.8       43.7   Potassium alum (KAl(SO4)2 12(H2O)) 
    698  (JSmol)              -1266.3      -1185.1           21.5       11.0   Alunite (KAl3(SO4)2(OH)6) 
    699  (JSmol)   -104.4        -104.0        -116.8             4.5       16.7   Sylvite (KCl) 
    700  (JSmol)     -95.1        -129.3        -157.7           31.7       42.9   Potassium chlorate (KClO3) (ICSD 26409) 
    701  (JSmol)   -102.8        -113.4        -135.8           41.8       50.9   Potassium perchlorate (KClO4) (ICSD 1137) 
    702  (JSmol)              -3535.4      -4103.5           17.3       37.5   Hanksite (KCl)2(Na2O)22(SO3)18(CO2)4 
    703  (JSmol)                -683.4        -629.3           40.9       42.3   Carnallite (KMg(H2O)6Cl3) 
    704  (JSmol)                    23.9          -41.2           36.7       26.6   Potassium acetylide (K2C2) (ICSD 89528) 
    705  (JSmol)     -86.4          -81.8        -130.3           41.0       19.3   Potassium oxide (K2O) (ICSD 44674) 
    706  (JSmol)   -275.1        -246.6        -320.3           22.1       17.4   Potassium carbonate (K2CO3) (ICSD 10191) 
    707  (JSmol)   -275.1        -246.7        -319.8           12.8       12.5   Potassium carbonate (K2CO3) (ICSD 1816695) 
    708  (JSmol)   -275.1        -245.5        -326.7           22.1       19.8   Potassium carbonate (hexagonal) (K2CO3) (ICSD 1816694) 
    709  (JSmol)   -321.7        -285.7        -364.3           17.5         7.5   Potassium oxalate (QQQAZJ05) 
    710  (JSmol)                -385.2        -405.7           23.0       38.8   catena-((mu-8-Croconato)-di-aqua-di-potassium) (XEYYUV) 
    711  (JSmol)   -370.0        -334.8        -392.0           23.2       15.8   Potassium silicate (K2SiO3) (ICSD 1321814) 
    712  (JSmol)   -706.5        -722.8        -851.1             1.0       22.5   Potassium hexafluorosilicate (K2SiF6) (ICSD 73722) 
    713  (JSmol)              -1001.8        -965.8           11.1       23.8   Wadelite (K2Si4O9) 
    714  (JSmol)     -91.0        -117.8        -145.9             8.6       18.4   Potassium sulfide (K2S) (ICSD 1004186) 
    715  (JSmol)   -343.6        -313.1        -380.2           21.1       19.9   Arcanite (K2SO4) 
    716  (JSmol)                -893.2        -867.0           13.6       39.1   Leonite (K2Mg(SO4)2 4(H2O)) 
    717  (JSmol)   -795.0        -844.3      -1072.4           13.2       29.0   Potassium hexafluoroaluminate (K3AlF6) (ICSD 381848) 
    718  (JSmol)   -466.1        -446.9        -526.4           11.2       21.7   Potassium phosphate (K3PO4) (ICSD 158801) 
    719  (JSmol)              -1271.3      -1327.7           30.9       27.8   Potassium beryllium bis(malonate) hemihydrate (MALBEK) 
    720  (JSmol)              -1389.7      -1407.6           29.4       29.9   Tetrapotassium tetrametaphosphate tetrahydrate (K4H8P4O16) 
    772  (JSmol)              -1015.8        -988.8           13.0       12.4   Langbeinite (K2Ca2(SO4)3) 
    773  (JSmol)              -1437.1      -1390.6             8.5       15.9   Polyhalite (K2Ca2Mg(SO4)4 2(H2O)) 
    779  (JSmol)              -3028.3      -2888.4             8.3       23.5   Apophyllite ((CaO)4 (SiO2)8 (H2O)8 KF) 
    780  (JSmol)              -3028.2      -2888.2           16.9       31.8   Fluorapophyllite (KCa4Si8O20 8(H2O) 
    843  (JSmol)                -558.7        -487.6           29.0       18.3   Potassium oxovanadium (iv) phosphate(v) (KVPO5) (ICSD 411492) 
    844  (JSmol)                -387.4          598.4             8.5    -.-   Potassium hexachlorovanadate(iv) (K2VCl6) (ICSD 1712440) 
    877  (JSmol)                -448.5        -551.2           17.3       32.8   Potassium (tetramethylenediamine-N,N,N',N'-tetra-acetato)-chromium(iii) monohydrate (YITNAQ01) 
    878  (JSmol)                -813.8        -794.7           25.5       34.4   trans-Potassium bis(oxalato-O,O')-diaqua-chromium trihydrate (KOXACR) 
    879  (JSmol)              -1383.7      -1232.7           34.5       57.9   Chromium potassium alum (KCr(SO4)2 12(H2O)) 
    880  (JSmol)                -312.6        -379.0           32.3         3.3   Tarapacaite (K2CrO4) 
    882  (JSmol)              -1181.0      -1112.1           16.2       20.0   Calcium potassium trisoxalato chromate(III) pentahydrate (KCaCr(III)(C2O4)3 5(H2O)) 
    890  (JSmol)                -545.5        -571.7           39.6       39.2   Potassium dichromate (K2Cr2O7) (ICSD 10371) 
    911  (JSmol)   -200.1        -224.8        -246.1           63.8       22.2   Potassium permanganate (KMnO4) 
    941  (JSmol)     -59.7          -88.9        -255.0           19.0       38.0   Potassium hexacyanoferrate (K3Fe(CN)6) (ICSD 23047) 
    947  (JSmol)                -183.7        -173.6           10.0       46.9   Prussian blue (KFe(II)Fe(III)(CN)6) 
    982  (JSmol)                -212.4        -509.0           48.2       96.9   Potassium tetracarbonyl-cobalt (FUBZAD) 
  1011  (JSmol)                -161.2        -193.1           22.1       27.9   Potassium trichloroniccolate(ii) (KNiCl3) (ICSD 10508) 
  1118  (JSmol)                -614.2        -844.7           28.7       38.2   Potassium hexafluorogermanate (K2GeF6) (ICSD 30310) 
  1136  (JSmol)                -478.3        -616.3           18.1       49.7   Potassium hexafluoroarsenate (KAsF6) (ICSD 2362) 
  1144  (JSmol)                -306.2        -385.0           23.8       30.3   Potassium dihydrogen arsenate (KHAs2O6) 
  1163  (JSmol)                  -93.5        -142.6           14.9       35.0   Potassium 1,2-diseleno-oxalate (SEOXAK) 
  1187  (JSmol)     -94.1          -89.4        -102.2             9.2         4.9   KBr 
  1188  (JSmol)     -86.1          -52.4        -117.9           29.0       33.4   Potassium bromate (KBrO3) (ICSD 47173) 
  1189  (JSmol)     -68.8        -108.4          -41.3           44.8       52.6   Potassium perbromate KBrO4) (ICSD 15222) 
  1335  (JSmol)                -821.3      -1198.0             7.5       57.3   Potassium yttrium(iii) hexafluoride (K3YF6) (ICSD 416296) 
  1336  (JSmol)              -1172.3      -1384.4           11.1       44.1   Pentapotassium octakis(formato)-yttrium (CAVYUT) 
  1377  (JSmol)                -219.9        -184.1           16.2       28.5   (18-Crown-6-potassium) (h5-cyclopentadienyl)-(h7-heptatrienyl)-niobium (KOSMEK) 
  1382  (JSmol)                -509.0        -479.8           29.2       16.7   Potassium niobium chloride ((Nb6Cl12)Cl2 (KCl)4) (ICSD 41118) 
  1383  (JSmol)                -420.2        -447.5             1.0       23.2   Potassium niobium bromide ((Nb6Br12)Br2 (KBr)4) (ICSD 49667) 
  1411  (JSmol)   -358.2        -314.5        -372.6           32.3       13.7   Potassium molybdate (K2MoO4) (ICSD 16154) 
  1412  (JSmol)                -391.7        -441.8           10.3       30.1   K3MoCl6 
  1413  (JSmol)                -394.5        -470.5           15.9       42.8   Potassium hexachloromolybdate(III) (K3MoCl6) (ICSD 22134) 
  1420  (JSmol)                -522.0        -.-           27.8    -.-   Potassium (mu-2-acetato-O,O')-bis(mu-2-hydroxo)-(mu-2-N,N,N',N'-ethylenediaminetetra-acetato-N,N',O,O',O'',O''')-di-molybdenum(iii) bis(molybdenum(iii)) (HAENMO) 
  1433  (JSmol)              -1113.3      -1192.7           20.7       40.2   Tetra-potassium bis((mu-2-oxo)-bis(oxalato-O,O')-technetium(iv)) trihydrate (SOSSAU) 
  1441  (JSmol)                -175.9        -154.0           16.2       29.6   catena-(bis(2-Amino-6-methylpyridine) hexakis(mu-2-chloro)-potassium-ruthenium(iii)) (SIBPOJ) 
  1473  (JSmol)                -718.6        -708.1           28.2       62.5   Potassium bis(oxalato-O,O')-palladium(ii) tetrahydrate (POXPDH) 
  1474  (JSmol)                -299.6        -330.0           11.3         4.3   Potassium hexachloropalladate(iv) (K2PdCl6) (ICSD 65037) 
  1498  (JSmol)                -282.0        -988.5           81.6    -.-   Potassium silver carbonate (KAgCO3) (ICSD 1903697) 
  1554  (JSmol)                -365.2        -453.1           24.3       77.1   Potassium catena(tris(mu-2-formato)-cadmium) (CAHMUT) 
  1555  (JSmol)                -466.6        -423.9           13.7       20.1   Potassium tris(acetylacetonato)-cadmium(ii) monohydrate (KACCDM) 
  1556  (JSmol)                -444.7        -456.3           18.6       44.0   catena-(Imidazolium potassium bis(mu-2-oxalato)-cadmium) (MAZYER) 
  1557  (JSmol)                -244.5        -286.0           22.6       18.9   catena-(Potassium (mu-4-2-ethylimidazole-4,5-dicarboxylato)-cadmium(ii)) (KOLXAL) 
  1558  (JSmol)                -295.4        -363.5           16.7       47.7   catena-(tris(mu-2-Thiocyanato)-cadmium (18-crown-6)-potassium clathrate) (RAPVAF) 
  1561  (JSmol)                -492.8        -452.6           22.0       20.3   (18-Crown-6)-potassium bis(Chloro-(2,3,4,5-tetramethylphospholyl-P)-indium) (JEZDUN) 
  1562  (JSmol)                -215.9        -166.7           11.9       21.2   (18-Crown-6)-potassium bis(pyridine)-tetrakis(isothiocyanato)-indium(iii) pyridine solvate (YUXXIY) 
  1567  (JSmol)              -1105.4      -1119.1           13.8       51.8   Tri-potassium bis(nitrilotriacetato)-indium(iii) pentahydrate (ZUFXAZ) 
  1587  (JSmol)                -576.3        -636.5           55.0       28.1   Potassium bis(oxalato)-tin(ii) monohydrate (KSNOXL) 
  1588  (JSmol)                -619.2        -787.8           28.4       43.1   Potassium hexafluorostannate (K2SnF6) (ICSD 376982) 
  1620  (JSmol)                -474.5        -599.8           27.5       64.9   Potassium hexafluoroantimonate (KSbF6) (ICSD 632) 
  1641  (JSmol)                -829.1        -862.9           31.5       45.4   Di-potassium bis(tartrato)-di-antimony trihydrate (DKSBTR) 
  1648  (JSmol)              -1112.1        -894.5           27.1       33.7   tris(18-Crown-6 Diammine potassium) undeca-antimonide ammonia solvate (DELHAE) 
  1674  (JSmol)              -1246.1      -2371.1           23.4       78.8   Potassium bis((18-crown-6)-potassium) tritellurido-gallium acetonitrile solvate (SURDAK) 
  1689  (JSmol)     -78.4          -66.8          -84.8           29.9         5.4   KI 
  1694  (JSmol)   -119.0          -81.7        -202.3           40.5       45.8   Potassium iodate (cubic) (KIO3) (ICSD 28545) 
  1695  (JSmol)   -119.9          -81.1        -216.7           27.7       48.9   Potassium iodate (hexagonal) (KIO3) (ICSD 97995) 
  1696  (JSmol)   -119.8          -81.8        -233.2             2.0       56.6   Potassium iodate (triclinic) (KIO3) (ICSD 20198) 
  1697  (JSmol)   -111.7          -94.0        -205.8           15.3       57.0   Potassium periodate (KIO4) (ICSD 83376) 
  1772  (JSmol)                -456.8        -431.0           28.3       35.7   18-Crown-6 potassium tricarbonyl-tri-iodo-ruthenium (FEHGEE) 
  1804  (JSmol)                -170.4          -86.7           59.0       62.0   Potassium fluorotrioxoxenate (KXeO3F) (ICSD 15219) 
  1827  (JSmol)              -2019.3      -2079.4           41.1       49.6   Lithium sodium potassium cesium silicate (Li12Na2KCsSi4O16) 
  1846  (JSmol)                -181.5        -257.4           26.1       49.7   Dicesium potassium hexacyano-iron(iii) (JIHPAR) 
  1922  (JSmol)                -763.7      -1618.3           18.2       62.4   Cesium potassium lanthanum hexafluoride (Cs2KLaF6) 
  1933  (JSmol)                -137.1        -626.6           20.0       16.9   Pr Complex Sparkle (ICSD 411291) 
  1942  (JSmol)                      9.4        -527.0           21.3       20.8   Nd Complex Sparkle (ICSD 411290) 
  1949  (JSmol)                  -35.1        -474.4           17.4       22.0   Sm Complex Sparkle (ICSD 409528) 
  1999  (JSmol)                -569.8        -956.6           38.4       26.7   Er Complex Sparkle (ICSD 413883) 
  2093  (JSmol)                -406.2        -438.7           54.9       49.6   Dipotassium tungstate (K2WO4) 
  2145  (JSmol)                -704.1        -710.5           14.0       49.1   Di-potassium dioxo-bis(oxalato-O,O')-osmium(vi) dihydrate (BOGPOD) 
  2189  (JSmol)                -402.9        -.-           26.7    -.-   Potassium hexafluoroiridate(iv) (K2IrF6) (ICSD 95779) 
  2213  (JSmol)                -277.3        -250.7             3.8       16.0   Potassium hexachloroplatinate(iv) (K2PtCl6) (ICSD 68765) 
  2214  (JSmol)                -481.6        -556.4           47.3       18.3   Potassium hexafluoroplatinate(iv) (K2PtF6) (ICSD 16892) 
  2217  (JSmol)                -186.8        -155.4           22.9       23.0   Zeise's salt - Potassium trichloroethylene platinate monohydrate (KCLEPT12) 
  2219  (JSmol)              -2899.6      -2802.4           17.8       24.3   bis(Cucurbit(5)uril) bis(aqua-potassium) hexachloro-platinate monohydrate clathrate hydrate (OFOMEC) 
  2230  (JSmol)                -344.1        -338.6           34.4       48.9   18-Crown-6 potassium dichloroaurate(i) (MUVTAY) 
  2231  (JSmol)                  104.9            65.4           35.9       26.3   2,2'-Bipyridyl potassium dicyano-gold(i) (PCAUPY) 
  2237  (JSmol)                -216.7        -223.3           19.2       33.0   Dicycle 18-crown-6 potassium dicyano-gold (COXCUN) 
  2252  (JSmol)                -330.1        -388.2           21.2       21.0   bis(15-Crown-5)-potassium bis(1,2-dicyanoethene-1,2-dithiolato-S,S')-gold(i) (CEBHAT) 
  2281  (JSmol)       -7.7            27.5        -108.3           10.7         9.8   Potassium tetracyanomercurate (K2Hg(CN)4) (ICSD 62084) 
  2288  (JSmol)                -645.4        -726.4           19.8       20.7   (18-Crown-6)-potassium bis(trifluoromethyl)-iodo-mercury (AQEPIV) 
  2304  (JSmol)                -526.4        -885.9           15.0       56.6   Potassium hexafluorothallate(iii) (K3TlF6) (ICSD 19068) 
  2319  (JSmol)                -444.9        -606.9           25.5       35.4   bis(2,2,2-Crypt-potassium) dithallium-ditellurium ethylenediamine solvate (BAKYIV) 
  2375  (JSmol)              -4391.1        -.-           34.6    -.-   Boleite (KPb26Ag9Cu24Cl62(OH)48) 
  2385  (JSmol)                -577.5        -841.6             6.9       50.4   Dipotassium (pentaformato-O,O')-bismuth (CAVZUU) 
  2389  (JSmol)                -899.6        -932.9           17.0       26.9   Potassium 18-crown-6 tris(perfluorophenylthiolato)-isothiocyanato-bismuth(iii) (YULBEM) 
  2390  (JSmol)                -363.2        -615.7           49.3       72.8   Potassium hexafluorobismuthate (KBiF6) (ICSD 25024) 
  2399  (JSmol)                -586.2        -931.9           19.5       64.3   catena-(bis(18-Crown-6-potassium) bis(mu-4-thiocyanato-S,S,S,S,N)-bis(mu-2-thiocyanato-S,N)-bis(mu-2-isothiocyanato-N,S)-bismuth-potassium) (WETRIW) 
  2413  (JSmol)                -661.3        -659.5           30.6       20.4   Potassium octapyridinium tris(hexachlorobismuthate(iii)) (BIPGAJ)