Period 3, Al, Si, P, S, Cl

Aluminum

Al₂ triplet Al₂ singlet AlH₃ AlF AlP AlS LiAlH₄ AlH₃NH₃ CH₃AlH₂ AlH₂NH₂ AlO AlO⁺
AlF₃ AlCl BeAlCl AlCl₃ Al₂Cl₆ CH₃AlCl₂ AlCl₄^- ClAlO

Silicon

Si₂ triplet     Si₂ singlet     Si₄ tetrahedral     Si₄ planar     SiH     SiH⁺     SiH₂ singlet     SiH₂ triplet     SiH₄     SiH₃^-     SiH₃SiH₃
CH₂Si     CH₂SiH₂     HSiN     SiO singlet     Li₂SiO     SiO₂     H₂Si=O    cyclic SiO₂     HSiOOH    HSiOO^-    HSiOO• (peroxide)    Si₂O     SiO₄^2-     SiO₃
SiF²⁺     SiF³⁺     SiF^3-     SiF₂     SiF₂²⁺     SiF₄     SiCl₂ singlet     SiCl₂ triplet     SiCl₄     SiClBr     SiHCl₃     SiH₂Cl₂     SiH₃Cl     SiH₂ClSiH₂Cl     SiCl₂O     CH₃SiOCl
SiCl₃SiCl₃

Phosphorus

P₂     P₄     P₄ planar     P₂ dimer     PH₃     PH₃NH₂     HCP     CH₃PH₂, methylphosphine     methylphosphonium ion
CH₃PH radical     CH₃PH₂->O     CH₃PH₂->S
PO     PO⁺     PO^- triplet     PO^- singlet     PO₂     PO₂⁺     PO₂^-     PO₃     PO₃^-
CNPO     PF₃     PF₄^-     PF₅     P₂S₂     PS₃^-     PCl₃     PCl₂F triplet     Cl₃=P     PBr₃     PO₂F^2-     PO₂Cl     POCl₃     PO₄F

Sulfur

S₂ triplet     S₂ singlet     S₄     H₂S     H₂S₂     SF     SF quartet     Li₂S     CS     HCS⁺     HSC⁺     CS₂     CS₂²⁺     CS₃^2-
SCN⁺     CNS⁺     OCS     cyclic OCS     NSF     SNF     SFN
NCOSH     NSCHO     CH₃SH, methylthiol     CH₃PH₂->S
CH₃SH₂⁺     thioformaldehyde, CH₂S     thioformaldehyde onium ion, CH₂SH⁺     thioformaldehyde radical cation, CH₂S⁺•
NH₂SH, sulfhydrylamine     SO     SO⁺     SO^-     SO^2-     S₂O bent     S₂O cyclic
SO₂     SO₂ triplet     OOS     SO₃     SO₂O     S₂O₂^2-     SF₂     SF₂ triplet     SF₃⁺     SF₃^-     SF₄
SCl₂²⁺     S₂Cl₂     S₂Cl₂ triplet     SCCl₂     SOCl₂     SCl₃^-

Chlorine

HCl     HCl⁺•     HCl²⁺     HOCl     HOCl⁺•     HClO₂     HClO₃     HClO₄     HOClH₂O
Cl₃     Cl₃^-     CCl₂ singlet     CCl₂ triplet     ClCN     Cl₃F     Cl₃=P
NH₂Cl     ClH₂N     ClN₃     NOCl     ONCl     NClO     ONCl triplet     NF₂Cl     NCl₂     NCl₃     Cl₃N
ClO     ClO₂     ClOO     ClO₂+     ClO₂^-     ClOO^-     FClO     ClF₂⁺     ClF₃     ClFF₂
OCl^-     ClO₂^-     ClO₃^-     ClO₄^-

Acids

Onium Ions: NH₃Cl⁺     PH₄⁺     H₃S⁺     H₂Cl⁺
Hydrides: HCl     HCl⁺•     HNCS     HSCN     P₂H₄     H₂S
Oxyacids: HOCl     HClO₂     HClO₃     HClO₄     HSO     HSOH     H₃PO₂     H₃PO₃     H₃PO₄

Anions

Hydride Conjugates: Cl^-     NCS^-     CNS^-     P₂H₃^-     HS^-
Oxyanions: OCl^-     ClO₂^-     ClO₃^-     ClO₄^-     HOS^-     HSO^-     H₂PO₂^-     H₂PO₃^-     H₂PO₄^-     HPO₄^2-     PO₄^3-
        SO₄^2-     S₂O₃^2-

Oxides

PH₃->O CH₃PH₂->O H₂S->O CH₃SH->O CH₃Cl->O H₂S->O₂

Hydrogen Bonded and Neutral Complexes

H₂O...H₂S H₂S...H₂O SO₂...H₂O
H₂O...SO₃ H₂S...SO₃ HCl...NH₃ Cl₂...Cl₂

Many More Binary Hydrides and their Anions, Cations, and Radicals
Many More Hydroxyl Compounds, Donor-Acceptor Oxides, Oxyacids, and Anions
Many More Formally Double Bonded Hydroxyl Compounds, Donor-Acceptor Oxides, and Oxyacids (e.g.Carbonic and Nitric acid)

Back to the Molecular Structure Introduction

This work was supported by an Academic Research Infrastructure Grant from the National Science Foundation, no. 9512457.

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