 Natura - nature |
| Mundus Plinius - physical world |
| Naturalia - natural bodies |
|
"crystal-kingdom"
|
| chemical substances |
 chemical compounds |
 hydrogen [H2] |
| Class boranes [BxHy] |
| Class boronic acids [RB(OH)2] |
| Class borinic acids [R2BOH] |
 Class hydrocarbons [CxHy] - compounds consisting of carbon and hydrogen only |
| Class helicenes |
| Class isoprenoids |
| Class retinoids |
| Class acetylides [X+-C≡CH, X+-C≡C-+X, X+-C≡CR] |
| Class pyrimidine bases |
| Class purine bases |
| Class nucleosides |
| Class nucleotides [HOP(=O)(OH)OCH2CH(O~)CH(OH)CH(Y)CH(base)~ (Y=H or OH)] |
| Class nucleic acids [[─P(=O)(OH)OCH2CH(O~)CH(O─)CH(Y)CH(base)~]n (Y=H or OH)] |
| Class corrinoids |
| Class tetrapyrroles |
| Class dipyrrins [pyrrole-CH=pyrrole] |
| Class hemes and heme derivatives |
| Class flavins [1≈NC(=O)NHC(=O)C(~2)=NC(≈3)CH=C(CH3)C(CH3)=CHC(≈3)NRC(~2)≈1] |
| carbon monoxide [CO] |
| carbon dioxide [CO2] |
| Class alcohols [ROH (R≠H)] |
| Class alkoxides [RO-M+] |
| Class phenols [ArOH] |
| Class phenoxides [ArO-M+] |
| Class enols [R2C=CROH] |
| Class cyclitols |
| Class ethers [ROR (R≠H)] |
| Class hemiacetals [R2C(OH)OR' (R'≠H)] |
| Class acetals [R2C(OR')2 (R'≠H)] - diethers of geminal diols |
| Class carbohydrates [Cn(H2O)n, etc.] |
| Class glycoconjugates |
| Class aldehydes [RC(=O)H] |
| Class ketones [R2C=O (R≠H)] |
| Class acyloins [RCH(OH)C(=O)R] |
| Class quinones |
| Class ketenes [R2C=C=O] |
| Class carboxylic acids [RC(=O)OH] |
| Class acid anhydrides [acyl-O-acyl] |
| Class
"ortho acids"
[RC(OH)3] [hypothetical] |
| Class esters [acyl-XR, etc.; R'kE(=O)l(OH)m (l≠0; ≥1 (OH):=(XR)), etc.; X=O,S,Se,Te,etc.; R≠H] |
| Class acylals [R2C[OC(=O)R]2] - diesters of geminal diols |
| Class
"lipids"
|
| Class silanes [SinH2n+2] |
| Class silazanes [R3Si[NHSiR2]nNHSiR3] |
| Class cyclosilazanes [~[SiR2NH]n~] |
| Class silasesquiazanes [(SiR)2n(NH)3n] |
| Class siloxanes [R3Si[OSiR2]nOSiR3] |
| Class cyclosiloxanes [~[SiR2O]n~] |
| Class silasesquioxanes [(SiR)2nO3n] |
| Class silathianes [R3Si[SSiR2]nSSiR3] |
| Class silasesquithianes [(SiR)2nS3n] |
| nitrogen [N2] |
| Class azanes [NnHn+2] |
| Class amidines [RnE(=NR)NR2] |
| Class amidrazones [RC(=NH)NHNH2, RC(NH2)=NNH2] |
| Class amines [RNH2, R2NH, R3N] |
| Class azines [R2C=NN=CR2] |
| Class azo compounds [RN=NR (R≠H)] |
| Class azo imides [RN=N(R)+-NR <-> RN-+N(R)=NR] |
| Class carbodiimides [RN=C=NR] |
| Class cyanides [X+[C≡N]‾, organyl-C≡N] |
| Class diazoamino compounds [RN=NNR2 (not all R=H)] |
| Class formazans [R2NN=CRN=NR] |
| Class hydrazidines [RC(NRNR2)=NNR2] |
| Class hydrazones [R2C=NNR2] |
| Class imines [RN=CR2] |
| Class isocyanides [RNC; RN+≡C‾] |
| Class triazanes [NR2NRNR2] - triazane and its hydrocarbyl derivatives |
| Class triazenes [NR2N=NR] - triazene and its hydrocarbyl derivatives |
| Class alkaloids |
| Class amic acids |
| Class amides [RkE(=O)l(OH)m (l≠0; ≥1 (OH):=(NR2))] |
| Class amino acids [H2NCHRCOOH] |
| Class azinic acids [R2N+(O-)OH] |
| Class azonic acids [RN+(O-)(OH)2] |
| Class azoxy compounds [RN=N+(O-)R] |
| Class cyanates [X+[OC≡N]‾, ROC≡N] |
| Class diacylamines [acyl-NR-acyl] |
| Class diazoates [RN=NO‾M+] |
| Class hydrazides [RkE(=O)l(OH)m (l≠0; ≥1 (OH):=(=NRNR2))] |
| Class hydrazonic acids [RkE(=O)l(OH)m (l≠0; ≥1 (=O):=(=NNR2))] |
| Class hydroxamic acids [RkE(=O)l(OH)m (l≠0; ≥1 (OH):=(NROR))] |
| Class hydroximic acids [RkE(=O)l(OH)m (l≠0; ≥1 (=O):=(=NOR))] |
| Class hydroxylamines [R2NOR] |
| Class imides [acyl-NR-acyl] |
| Class imidic acids [RkE(=O)l(OH)m (l≠0; ≥1 (=O):=(=NR))] |
| Class isocyanates [RN=C=O] |
| Class isoureas [R2NC(=NH)OH] |
| Class lactims [~N=C(OH)[CH2]n~] |
| Class nitro compounds [RmXNO2 (X=C,N,O,etc.)] |
| Class nitroso compounds [RmXNO (X=C,N,O,etc.)] |
| nitrous oxide [N2O] |
| Class oxime O-ethers [R2C=NOR' (R'≠H)] |
| Class oximes [R2C=NOH] |
| Class picrates |
| Class semicarbazones [R2C=NNHC(=O)NH2] |
| Class styphnates - salts or charge-transfer complexes of styphnic acid |
| Class ureides [H2NC(=O)[NHC(=O)]R or RC(=O)[NHC(=O)]2R] - N-acyl or N,N'-diacyl ureas |
| Class uronium salts [[ROC(=NR2)NR2]+X-] - salts of O-hydronated urea |
| Class phosphanes [PnHn+2] |
| Class phosphines [R3P] |
| Class phosphoranes [PR5] |
| Class phosphonitriles [[X2PN]n] |
| Class phosphoramides [P(=O)(NR2)3] |
| Class phosphine oxides [R3P=O <-> R3P+O-] |
| Class phosphinic acids [R2P(=O)OH] |
| Class phosphinous acids [R2POH] |
| Class phosphonic acids [RP(=O)(OH)2] |
| Class phosphonous acids [RP(OH)2] |
| Class arsanes [AsnHn+2] |
| Class arsenides [R3As (≥1 H->M)] |
| Class arsines [R3As] |
| Class arsoranes [R5As] |
| Class arsine imides [R3As=NR] |
| Class arsonous acids [RAs(OH)2] |
| Class arsinous acids [R2AsOH] |
| Class arsonic acids [RAs(=O)(OH)2] |
| Class arsinic acids [R2As(=O)OH] |
| Class arsine oxides [R3As=O] |
| Class arsine sulfides [R3As=S] |
| Class stibanes [SbnHn+2] |
| stiborane [SbH5] |
| Class stibines [R3Sb] |
| Class bismuthanes [BinHn+2] |
| Class bismuthines [R3Bi] |
| oxygen [O2] |
| ozone [O3] |
| water [H2O] |
| Class peroxides [ROOR] |
| Class peroxy acids [acyl-OOH] |
| Class polysulfanes [HSnH (n>1)] |
| Class thiols [RSH (R≠H)] |
| Class hydropolysulfides [RSnH (n>1)] |
| Class thiolates [RS-X+] - derivatives of thiols |
| Class sulfides [RSR (R≠H)] |
| Class polysulfides [RSnR (n>1; R≠H)] |
| Class thioaldehydes [RC(=S)H] |
| Class thioketones [R2C=S (R≠H)] |
| Class sulfenamides [RSNR'2 (R≠H)] |
| Class sulfimides [R2S=NR] - sulfimide and its hydrocarbyl derivatives |
| Class thioamides [RC(=S)NR2] |
| Class thiocyanates [X+[SC≡N]‾, RSC≡N] - salts and esters of thiocyanic acid |
| Class isothiocyanates [RN=C=S] |
| Class formamidine disulfides [R2NC(=NR)SSC(=NR)NR2] |
| Class sulfamic acids [R2NS(=O)2OH] - sulfamic acid and its N-hydrocarbyl derivatives |
| Class sulfinylamines [RN=S=O] |
| Class sulfonylamines [RN=S(=O)2] |
| Class sulfoximides [R2S(=O)=NR] |
| Class sulfones [RS(=O)2R (R≠H)] |
| Class sulfoxides [R2S=O (R≠H)] |
| Class sultones [~S(=O)2O[CH2]n~] - intramolecular cyclic esters of hydroxy sulfonic acids |
| Class sulfenic acids [RSOH (R≠H)] |
| Class sulfinic acids [RS(=O)OH] - sulfinic acid and its S-hydrocarbyl derivatives |
| Class sulfinic anhydrides [RS(=O)OS(=O)R] |
| Class sulfonic acids [RS(=O)2OH] - sulfonic acid and its S-hydrocarbyl derivatives |
| Class sulfonic anhydrides [RS(=O)2OS(=O)2R] |
| Class thiocarboxylic acids |
| Class thioanhydrides [acyl-S-acyl] |
| Class thiohemiacetals |
| Class thioacetals |
| Class selenols [RSeH (R≠H)] |
| Class selenides [RSeR (R≠H)] |
| Class selones [R2C=Se (R≠H)] |
| Class selenoamides [RC(=Se)NR2] |
| Class selenocyanates [RSeCN] - salts and esters of selenocyanic acid |
| Class isoselenocyanates [RN=C=Se] |
| Class selenenic acids [RSeOH (R≠H)] |
| Class seleninic acids [RSe(=O)OH] |
| Class selenonic acids [RSe(=O)2OH] |
| Class selenoxides [R2Se=O (R≠H)] |
| Class selenones [R2Se(=O)2] |
| Class tellurides [RTeR (R≠H)] |
| Class telluroamides [RC(=Te)NR2] |
| Class tellurones [R2Te(=O)2] |
| Class inclusion compounds |
| Class onium compounds |