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Kovalentnij radius u himiyi ce polovina vidstani mizh yadrami atomiv elementu sho utvoryuyut kovalentnij zv yazok Tablicya kovalentnih radiusiv RedaguvatiZnachennya u navedenij nizhche tablici gruntuyutsya na statistichnomu analizi bilsh nizh 228 000 eksperimentalno vidomih dovzhin kovalentnih zv yazkiv uzyatih iz Kembridzhskoyi kristalografichnoyi bazi danih 1 Kovalentni radiusi u pikometrah pm 1 Grupa 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18Period1 H 31 He 282 Li 128 Be 96 B 84 C 76 N 71 O 66 F 57 Ne 583 Na 166 Mg 141 Al 121 Si 111 P 107 S 105 Cl 102 Ar 1064 K 203 Ca 176 Sc 170 Ti 160 V 153 Cr 139 Mn 139 Fe 132 Co 126 Ni 126 Cu 132 Zn 122 Ga 122 Ge 120 As 119 Se 120 Br 120 Kr 1165 Rb 220 Sr 195 Y 190 Zr 175 Nb 164 Mo 154 Tc 147 Ru 146 Rh 142 Pd 139 Ag 145 Cd 144 In 142 Sn 139 Sb 139 Te 138 I 139 Xe 1306 Cs 244 Ba 215 La 187 Hf 175 Ta 170 W 162 Re 151 Os 144 Ir 141 Pt 136 Au 136 Hg 132 Tl 145 Pb 146 Bi 148 Po 140 At 150 Rn 1507 Fr 260 Ra 221 Ac 215style text align right Lantanoyidi Ce 204 Pr 203 Nd 201 Pm 199 Sm 198 Eu 198 Gd 196 Tb 194 Dy 192 Ho 192 Er 189 Tm 190 Yb 187style text align right Aktinoyidi Th 206 Pa 200 U 196 Np 190 Pu 187 Am 180 Cm 169Inshij pidhid bazuyetsya na samouzgodzhenomu pripasuvanni kovalentnih radiusiv na osnovi menshogo naboru molekul Ce bulo zrobleno okremo dlya odnokratnih r1 2 podvijnih r1 3 i potrijnih r3 zv yazkiv 4 okrim nadvazhkih elementiv U navedenij nizhche tablici sho bulo otrimano v rezultati cogo pidhodu vikoristani yak eksperimentalni tak i obchislyuvalni dani Takij samij samouzgodzhenij pidhid bulo vikoristano dlya vidpovidnih tetraedrichnih kovalentnih radiusiv 5 dlya 30 elementiv u 48 kristalah iz tochnistyu vishe 1 pikometra 1 IA 2 IIA 3 IIIB 4 IVB 5 VB 6 VIB 7 VIIB 8 VIIIB 9 VIIIB 10 VIIIB 11 IB 12 IIB 13 IIIA 14 IVA 15 VA 16 VIA 17 VIIA 18 VIIIA Period1 1H32 Atomnij nomer Himichnij element r1 pm 2 r2 pm 3 r3 pm 4 2He46 2 3Li133124 4Be1029085 5B 857873 6C756760 7N 716054 8O 635753 9F 645953 10Ne 6796 3 11Na 155160 12Mg 139132127 13Al 126113111 14Si 116107102 15P 11110294 16S 1039495 17Cl 999593 18Ar 96107964 19K 196193 20Ca 171147133 21Sc 148116114 22Ti 136117108 23V 134112106 24Cr 122111103 25Mn 119105103 26Fe 116109102 27Co 11110396 28Ni 110101101 29Cu 112115120 30Zn 118120 31Ga 124117121 32Ge 121117121 33As 121114106 34Se 116107107 35Br 114109110 36Kr 1171211085 37Rb 210202 38Sr 185157139 39Y 163130124 40Zr 154127121 41Nb 147125116 42Mo 138121113 43Tc 128120110 44Ru 125114103 45Rh 125110106 46Pd 120117112 47Ag 128139137 48Cd 136144 49In 142136146 50Sn 140130132 51Sb 140133127 52Te 136128121 53I 133129125 54Xe 1311351226 55Cs 232209 56Ba 196161149 72Hf 152128121 73Ta 146126119 74W 137120115 75Re 131119110 76Os 129116109 77Ir 122115107 78Pt 123112110 79Au124121123 80Hg 133142 81Tl 144142150 82Pb 144135137 83Bi 151141135 84Po 145135129 85At 147138138 86Rn 1421451337 87 Fr 223218 88Ra 201173159 104Rf 157140131 105Db 149136126 106Sg 143128121 107Bh 141128119 108Hs 134125118 109Mt 129125113 110Ds 128116112 111Rg 121116118 112Cn 122137130 113Uut 136 114Fl 143 115Uup 162 116Lv 175 117Uus 165 118Uuo 157 Lantanoyidi 57La 180139139 58Ce 163137131 59Pr 176138128 60Nd 174137 61Pm 173135 62Sm 172134 63Eu 168134 64Gd 169135132 65Tb 168135 66Dy 167133 67Ho 166133 68Er 165133 69Tm 164131 70Yb 170129 71Lu 162131131 Aktinoyidi 89Ac 186153140 90Th 175143136 91Pa 169138129 92U 170134118 93Np 171136116 94Pu 172135 95Am 166135 96Cm 166136 97Bk 168139 98Cf 168140 99Es 165140 100Fm 167 101Md 173139 102No 176159 103Lr 161141Primitki Redaguvati a b Beatriz Cordero Veronica Gomez Ana E Platero Prats Marc Reves Jorge Echeverria Eduard Cremades Flavia Barragan and Santiago Alvarez 2008 Covalent radii revisited Dalton Trans 21 2832 2838 doi 10 1039 b801115j a b P Pyykko M Atsumi 2009 Molecular Single Bond Covalent Radii for Elements 1 118 Chemistry A European Journal 15 186 197 doi 10 1002 chem 200800987 a b P Pyykko M Atsumi 2009 Molecular Double Bond Covalent Radii for Elements Li E112 Chemistry A European Journal 15 46 12770 12779 doi 10 1002 chem 200901472 Malyunok 3 u statti mistit radiusi dlya 5 7 Serednokvadratichne vidhilennya dlya kozhnogo naboru stanovit 3 pm a b P Pyykko S Riedel M Patzschke 2005 Triple Bond Covalent Radii Chemistry A European Journal 11 12 3511 3520 PMID 15832398 doi 10 1002 chem 200401299 P Pyykko 2012 Refitted tetrahedral covalent radii for solids Physical Review B 85 2 024115 7 p doi 10 1103 PhysRevB 85 024115 Literatura RedaguvatiGlosarij terminiv z himiyi J Opejda O Shvajka In t fiziko organichnoyi himiyi ta vuglehimiyi im L M Litvinenka NAN Ukrayini Doneckij nacionalnij universitet Doneck Veber 2008 758 s ISBN 978 966 335 206 0 Ce nezavershena stattya z himiyi Vi mozhete dopomogti proyektu vipravivshi abo dopisavshi yiyi Otrimano z https uk wikipedia org w index php title Kovalentnij radius amp oldid 38376286