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Home , Arsenous acid, Disulfuric acid, Dithionic acid, Hyponitrite, Hyponitrous acid, Perbromic acid

Page 1 of 8 H [CO HCO IR-7 for chain compounds such as H oml Common name Formula discussion in Section IR-8.1. Most of those structures, but not all, are included here; a number di- and polynuclear NO=[(HO isocyanic HNCO = [C(NH)O] HOCN = [C(N)OH] HBH [BO H first, followed by the central atom(s), then atoms bound directly to atom, and ( of corresponding partially and fully dehydronated anions. Formulae are given in the classical oxoacid format with 'acid' (o This Table includes compounds containing oxygen and hydrogen at least one other element with OH group; cer Table IR-8.1 Acceptable common names and fully systematic (additive) for oxoacid related structures. (March 2004) HBO H (BO (HBO 2 2 3 2 CO BHO BO BO 2 3 3

( 2 − 3 3 ] ] e.g. 2 3 2 3 O = [BH 3 − 2 3 ) − − )

Note that Section P-42 of Ref. 1 lists a great many inorganic oxoacid structures for use as parent in the naming − − n

= = [CO(OH) n 2 = [CO =

the Table gives 'HBH = [BH(OH) = [BO = [BO(OH) [B(OH) =

( ( B(OH)O OBO 2 2 (OH)] O) borinic acid (OH)] 2 (OH)] 3 ) ] 2 IUPAC Provisionaln Recommendations ]

n 2 2 ) − − ] n ]

2 −

− e.g . HOCN. In most cases formulae are also written as for coordination entities, assembled according to the principles of Chapter 2 O = [BH 2 (OH)]' and 'H carbonic acid metaborate boric acid ( abnt trioxidocarbonate(2 cyanic acid carbonate hydrogencarbonate boronic acid borate hydrogenborate dihydrogenborate metaboric acid unless otherwise stated a 2 SO 4 = [SO ) DRAFT 2 April 2004 2 (OH) 2 ]'). More names of oxoanions are given in Table IX.

dihydroxidooxidocarbon catena ul ytmtcadtv aes Fully systematic additive name(s) oxidoazanediidocarbon, (hydridonitrato)oxidocarbon hydroxidonitridocarbon hydroxidodioxidocarbonate(1 hydridodihydroxidoboron trioxidoborate(3 hydroxidodioxidoborate(2 trihydroxidoboron dihydroxidooxidoborate(1 dihydridohydroxidoboron catena -poly[(oxidoborate- -poly[hydroxidoboron- − ) − ) − − µ ) ) -oxido)(1 − µ ) -oxido] − )] re not explicitly included. xygen-bound) listed e.g. HBH organic derivatives, tain isomers; and examples 2 O, H 2 P 2 H 2 O 5 ), cf except . the 1 (H [N HNH H HN H H HNO H HNO [Si ( [SiO ONC HCNO = [C(H)NO] OCN [NO [NO H HONC = [N(C)OH] H SiO 4 2 2 2 2 2 2 2 SiO Si NHO NHO = [NH NO N 2 SiO 2 O O 2 3 3 4 2 O 2 − − 3 2 2 ] ] 2 ) ] 7 O O − −

O

3 n 2 4 ]

4 ] = [NO = [NO(OH)] = [N(C)O] = [C(N)O] 2 3 +

2 − 6 −

7 2 2 3 = [Si(OH) − ) = −

= n n

= [NO(OH) = [(HO)Si(O)

= [NH = [NHO(OH) − = = = [O

[HON=NOH] [HON=NO]

[ON=NO] 2

( O) nitric (OH)] Si(OH) 3 SiOSiO 2 2 O(OH)] OH] − − 4

IUPAC Provisional Recommendations] 2 ] 2 2 2 +d O 2 − − 3 OSi(O) ] ]

) 6 n − 2 (OH)] irt trioxidonitrate(1-) azinic acid 2-hydroxydiazene-1-olate diazenediol disilicate azonic acid disilicic acid silicate diazenediolate hydroxylamine metasilicic acid formonitrile- (iso), nitrous acid metasilicate silicic acid (iso)fulminic acid fulminate acid a f

N c -oxide f

e b b DRAFT 2 April 2004 f

1-hydrido-2,3-diazy-1,4-dioxy-[4]catenate(1 dioxidonitrate(1 1,4-dihydrido-2,3-diazy-1,4-dioxy-[4]catena dioxido dihydridohydroxidooxidonitrogen µ hydridodihydroxidooxidonitrogen tetraoxidosilicate(4 hydroxido-1 dihydridohydroxidonitrogen dihydroxidooxidonitrogen(1+), trihydrogen(trioxidonitrate)(1+) µ catena tetrahydroxidosilicon hydridonitrosyl- carbidohydroxidonitrogen hydroxidooxidonitrogen hydroxidodioxidonitrogen dihydroxido-1 catena carbidooxidonitrate(1 nitridooxidocarbonate(1 -oxido-bis(trioxidosilicate)(6 -oxido-bis(hydroxidodioxidosilicon) -poly[dioxidosilicate- -poly[dihydroxidosilicon- -

1 κ O κ , 2 O- κ κ O − κ oxido O ) ,2 N -dinitrate( − -carbon, hydrido(oxidonitrato- κ ) O − - -dinitrogen( ) 2 − κ ) O -dinitrate( µ N -oxido(1 _ − N ) µ )(2 -oxido] N − _ ), or N N − ), or _ )] N )(1 − − ) ), or N )carbon 2 Page 2 of 8 Page 3 of 8 HPO H P HPO [PHO H HPH H [PO [PO H (HPO H HPO H [PHO H H HPO H HPH H H 2 4 4 3 2 3 3 2 2 2 2 5 H P P PO P P PO PHO PHO PO PO P 3 4 2 2 2 2 3 3 2 2 2 2 3 4 ] ] O O H O O O 3 3 2 3 3 3 4

O O = [PH

2 2 4 3 = [P(H)O = [P(O)OH] ) ] (OH)] − − 6 7

2 5 9

− − − − 10 n 2 = [P(OH) = [PO(OH) 2 2 3

O 2

= − = [(HO) = [(HO)

− = [PO = [PO = [PO = [PO(OH) = [PH = [PH(OH) = [PHO(OH) 5

= [O = [(HO)P(H)(O)OP(H)(O)(OH)]

( − P(O)(OH)O 2 2 3 2 2 (OH)] 2 2 (OH)] (OH)] (OH) O(OH)] 2 2 P(H)OP(H)(O) 3 ] P(O)P(O)(OH) P(O)OP(O)(OH) ]

IUPAC Provisional Recommendations3 ] 2 2 2 ] ] 2 2 − ] 2 − − − ] ) n

2 2 ] 2 ] 2 −

] dihydrogenphosphite diphosphonate diphosphonic acid λ catena hsht trioxidophosphate(3 tetraoxidophosphate(3 phosphite hydridohydroxidodioxidophosphate(1 hydrogenphosphonate phosphate hshnu cdhydridodihydroxidophosphorus phosphonous acid hshnt hydridotrioxidophosphate(2 diphosphoric acid hydroxidodioxidophosphate(2 hydrogenphosphite hydroxidotrioxidophosphate(2 hydrogenphosphate cyclo iyrgnhsht dihydroxidodioxidop dihydrogenphosphate hshncai dih phosphinous acid phosphinic acid hydroxyphosphanone phosphonic acid metaphosphoric acid yoihshrcai bis[dih hypodiphosphoric acid 5 -phosphanedione -triphosphoric acid -triphosphoric acid, a g c g h h DRAFT 2 April 2004 pentahydroxido-1

dihydroxidooxidophosphate(1 µ µ 2,4,6-trihydroxido-2,4,6-trioxido-1,3,5-trioxy-2,4,6-triphosphy-[6]cycle µ hydroxidooxidophosphorus hydroxidooxidophosphorus trihydroxidophosphorus hydridodihydroxidooxidophosphorus trihydroxidooxidophosphorus 2,3-diazy-1,4-dioxy-[4]catenate(2 tri- dihydridohydroxidophosphorus catena -oxido-bis(hydridodioxidophosphate)(2 -oxido-bis(hydridohydroxidooxidophosphorus) -oxido-bis(dihydroxidooxidophosphorus) µ ydridohydroxidooxidophosphorus -oxido-tris[hydroxidooxidophosphorus], or -poly[hydroxidooxidophosphorus- ydroxidooxidophosphorus]( κ 2 − O hosphate(1 ) ,2 − ) κ O ,3 − κ ) − − 2 − O ) ) ) − -di- − ) ) P _ µ P − -oxido-trioxido- ) ) − µ ) -oxido] 3 HSHO [SO H H H H H H H H HSO HSbH HAsH H HSO HSbH HAsH H H 3 3 2 2 3 3 2 2 2 2 3 AsO AsO AsHO AsHO SbO SbO SbHO SO SO SbHO SO 4 3 4 ] 2 4 3 4 − − 2 2 2 2 3 −

+ 3 4 O O = [SbH 3 4 O = [AsH O

= [SO

= [SO = [SO

= [SO(OH) = [SHO = [As(OH) = [Sb(OH) = [AsO(OH) = [SO(OH) = [SbO(OH) 2 2 3 2 2 3

= [AsH(OH) = [SbH = [AsH = [SbH(OH) = [AsHO(OH) = [SbHO(OH) 2 2 3 (OH) (OH)] (OH)] 2 2 2 (OH)] 2 (OH)] (OH)] 2 O(OH)] IUPAC Provisional RecommendationsO( 2 3 3 2 3 ] ] ] ] ] − − 3 3 OH) +d ] ] 2 2 ] ] 2 2 ]s ] ] hydrogensulfite hydrogens antimonic acid, stiboric acid arsenous acid, arsorous acid tbnu cddihydridohydroxidoantimony stibinous acid triphosphoric acid tbnu cdhydridodihydroxidoantimony stibonous acid hydridodihydroxidoarsenic arsonous acid riosai dihydridohydroxidoarsenic antimonous acid, stiborous acid arsinous acid ufru cddihydroxidooxidosulfur acid, arsoric acid stibinic acid arsinic acid arsonic acid tib oni c a cid laehydroxidotrioxidosulfate(1 ulfate j c i DRAFT 2 April 2004 i i

i

tetraoxidosulfate(2 hydroxidodioxidosulfate(1 hydridohydroxidodioxidosulfur trihydroxidooxidosulfur(1+), trihydrogen(tetraoxidosulfate)(1+) trihydroxidoantimony trihydroxidooxidoantimony trihydroxidoarsenic trihydroxidooxidoarsenic 1,3,5,7-tetraoxy-2,4,6-triphosphy-[7]catena 1,7-dihydrido-2,4,6-trihydroxido-2,4,6-trioxido- bis(dihydroxidooxidophosphorus), or µ 1 dihydroxidodioxidosulfur dihydridohydroxidooxidoantimony dihydridohydroxidooxidoarsenic hydridodihydroxidooxidoarsenic hydridodihydroxidooxidoantimony κ -[hydroxidotrioxidophosphato(2 O ,2 κ O ,3 κ O -triphosphorus, or − ) − − ) ) − )-1 κ O ,2 κ O ]- 4 Page 4 of 8 Page 5 of 8 H H HSOH = [SH(OH)] H [SeO HSHO [S [SeO H [S H H [S H [S [SO H [SO HSO H H 2 2 2 2 2 2 2 2 2 2 2 2 2 2 SeO SeO SeO S S SO S S S S O O O O 2 3 2 2 3 2 4 2 − 7 5 4 6 ] ] 3 4 O O O O O O 2 2 2 ] ] ] ] ] ]

2 2 2 2 2 2 2 − − 6 7

6 4 6 5 3 4 3 = [SHO] = [S(OH)

− − − − − −

= [SHO(OH)] = [SeO = [SeO(OH) = [SeHO = [(HO)(O) = [(HO)(O) = [(HO)S(O) = [(HO)(O) = [(HO)(O) = [(HO)(O)SS(O)(OH)]

= [(O) = [O = [O = [O(O) 2 3 SSO SSO − 2 3 (OH) 2

SOS(O) 2

2 ] (OH)]

IUPAC ProvisionalSS(O)O] Recommendations 2 3 2 2 2 2 2 ] ] SS(O) SSS(O) SSSS(O) SS(O)OH] 2 ] 2 2 2 OS(O) ] − − o s o 3 ] 2 2 2 − (OH)] 2 − 2 (OH)] 2 (O (OH)] H)] sulfanol sulfinic acid uft trio sulfanediolate selenite selenate dithionous acid dithionite bis(trioxidosu disulfite selenonic acid disulfurous acid disulfate dithionic acid sulfanolate sulfanediol trithionic acid tetrathionic acid elenous acid k n

k k j o c,l c,m k c j,o c,l c,m n DRAFT 2 April 2004

dihydroxidodioxidoselenium trioxidoselenate(2 tetraoxidoselenate(2 2,2,3,3-tetraoxido-1,4-dioxy-2,3-disulfy-[4]catenate(2 bis(dioxidosulfate)( 1,4-dihydrido-2,3-dioxido-1,4-dioxy-2,3-disulfy-[4]catena dihydroxidooxidoselenium hydridohydroxidodioxidoselenium bis(hydroxidooxidosulfur)( pentaoxido-1 dihydroxido-1 1,6-dihydrido-2,2,5,5-tetraoxido-1,6-dioxy-2,3,4,5-tetrasulfy-[6]catena 1,5-dihydrido-2,2,4,4-tetraoxido-1,5-dioxy-2,3,4-trisulfy-[5]catena 1,4-dihydrido-2,2,3,3-tetraoxido-1,4-dioxy-2,3-disulfy-[4]catena bis(hydroxidodioxidosulfur)( µ µ hydridooxidosulfate(1 dioxidosulfate(2 dihydroxidosulfur hydridohydroxidooxidosulfur hydridohydroxidosulfur 2,3-dioxido-1,4-dioxy-2,3-disulfy-[4]catenate(2 -oxido-bis(trioxidosulfate)(2 -oxido-bis(hydroxidodioxidosulfur) xidosulfate(2

κ lfate)( κ 3 O O − − ,2 ,2 ) − ) ) κ κ S S − 2 _ O _ ) O S − S -trioxido-1 )(2 -disulfate( ) )(2 − − S ), or ), or _ S S − _ ), or ) S ), or κ S 2 _ O S )(2 ,2 κ − O ) -disulfur( − ) S − _ ) S ) 5 HClO HClO HBrO HBrO = [BrOH] [ClO HBrO [ClO] HClO = [ClOH] [ClO HTeHO HClO HTeHO H [TeO H [TeO H HSeHO [BrO [BrO HBrO [BrO [ClO 2 2 6 TeO TeO TeO 2 3 4 2 3 4 4 6 − 4 2 3 ] ] ] 3 4 2 ] ] ] ] ] − − −

− − − 2 6

6 3 4

= [ClO = [ClO(OH)] = [BrO = [BrO = [BrO(OH)] 2 3 2 − − = [ClO = [Te(OH)

= [TeO = [TeO(OH)

= [TeHO = [TeHO(OH)] = [SeHO(OH)] 3 2 3 2 (O O) perbromic acid (OH)] (OH)] 2 (OH)] (OH) H) 2

IUPAC Provisional Recommendations6 O) t (OH)] ] ] 2 ] 2 ]

hoosai hydroxidooxidochlorine chlorous acid hoiedioxidochlorate(1 chlorite chlorate perchlorate orthotelluric acid elru cddihydroxidooxidotellurium chloric acid rmt dioxidobr trioxidobromate(1 bromite bromate tellurinic acid rmu cdhydroxidooxidobromine orthotellurate elluronic acid a a a j j j a DRAFT 2 April 2004

hydroxidobromine oxidochlorate(1 hydroxidochlorine trioxidochlorate(1 tetraoxidochlorate(1 hydroxidodioxidochlorine hydridohydroxidooxidotellurium hydridohydroxidodioxidotellurium tetraoxidotellurate(2 dihydroxidodioxidotellurium hexaoxidotellurate(6 hexahydroxidotellurium hydridohydroxidooxidoselenium hydroxidodioxidobromine hydroxidotrioxidobromine tetraoxidobromate(1 hydroxidotrioxidochlorine

omate(1 − ) − − − − ) ) ) ) − − − − ) ) ) ) 6 Page 6 of 8 Page 7 of 8 trithionous, not an oxoacid, while the usually called 'fulminates' in organic are RONC, corresponding to oxoacid HONC. oxide' and the additive names in right hand column specify structures unambiguously. (See also Table IX under entries f HIO languages. They are no longer recommended. e d c b a [IO HIO [IO H [BrO] the telluric and periodic acids (and corresponding anions). and phosphoric acid where there is no ambiguity in the names without 'ortho'. The only cases 'ortho' distinguishes betwee [IO] HIO = [IOH] 'hydroxylamine'. See Ref. 1, Section P-68.3.1.1. [IO [IO HIO

The oligomeric series can be continued, The substitutive name would be 'azanol'. However, for preferred names certain organic derivatives, NH The prefix 'ortho' has not been used consistently in the past (including Chapter I-9 of Ref. 1). Here, it removed i The names 'nitric acidium', 'sulfuric The names 'fulminic acid' and 'isofulminic have been used inconsistently in the past. compound originally named fulmi 5 IO 6 2 4 3 − 3 4 2 ] ] ] ] 5 − −

6

− − = [IO = [IO I(H]idu cdhydroxido iodous acid = [IO(OH)] −

= [IO(OH) etc. 2 3 O) (OH)] (OH)] 5

IUPAC Provisional Recommendations] e.g. diphosphoric acid, triphosphoric orthoperiodate orthoperiodic acid iodate hypobromite yooosai hydroxidoiodine hypoiodite iodite periodate iodic acid etc. for the hydronated acids represent a hybrid of several nomenclatures and are difficult to translate into certain a a a a DRAFT 2 April 2004

etc trioxidoiodate(1 tetraoxidoiodate(1 hydroxidotrioxidoiodine hexaoxidoiodate(5 pentahydroxidooxidoiodine oxidobromate(1 oxidoiodate(1 dioxidoiodate(1 hydroxidodioxidoiodine .; dithionic acid, trithionic tetrathionic

oxidoiodine − ) − − − ) ) ) − − ) ) 2 OH itself is regarded as a parent with the name n the cases of boric acid, silicic acid n two different compounds are or CHNO and CNO). The name 'formonitrile- nic acid is HCNO, which etc .; dithionous, N 7 - 'trisulfanediyl...'), substitution into parent hydrides rather than the acids when naming corresponding functional derivatives, acid', these names themselves, are no longer recommended. adhered to for use of the prefix 'hypo' would have prescribed 'hypodinitrous' and 'hypodinitrite'. accord with the parent names given in Sections P-42.1 and P-42.4 of Ref. 1. o n m l k j i h g f these two structures with the use of 'disulfurous acid' as a parent name persists in naming organic derivatives. construction ('disulfurous acid' would systematically be [HO(O)SOS(O)OH]). The use of an additive name eliminates this potentia etc Caution is needed if using the names 'sulfonic acid', 'sulfinic 'selenonic Systematic use of the prefix 'hypo' would give names 'hypodisulfuric acid' for dithionic acid and 'hypodisulfurous ' f The names 'arsoric', 'arsorous', 'stiboric' and 'stiborous' are included because they used as parent in Ref. 1 (Secti These are fully systematic substitutive names. The traditional names '' and '' not recommended; This common name presents a problem because the unsymmetrical structure is not which would otherwise be associate These are substitutive names. The situation is similar to that described in footnote g, but no 'acid' names commonly used f These are fully systematic substitutive names. Names based on the traditional names '' for S(OH) The formula H The name 'phosphorous acid' and the formula H

The homologues trithionic acid, tetrathionic . , not etc HS(O)<, HS(O) . 2 SeO cf

. footnote m; 'methaneseleninic acid' (

IUPAC Provisional Recommendationsis in accord with the parent names given Sections P-42.3 and P-42.4 of Ref. 1. 3 has been used in the literature for both selenonic acid and . The present choice of names two structures − , etc. 3 PO etc. 3 , may be alternatively named by substitutive nomenclature as 'sulfanedisulfonic acid', 'disulfanedisulfonic have been used in the literature for both [P(OH) not methyl-'); DRAFT 2 April 2004 etc. Note that the substituent groups 'sulfonyl', 'sulfinyl',

etc. for these compounds. Substitutive nomenclature prescribes using

3 ] and [PHO(OH) e.g. 'trisulfanedisulfonic acid' ( 2 and '' for HSOH, indeed 2 ]. The present choice of names for on P-42.4). or dithionous acid. or the two isomers of HPO the systematics otherwise etc. l confusion, but the problem , are d with the 'diacid' − S(O) not 2 −, −

shown is in S(O) −, 2 8 . Page 8 of