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ARACHNO- [1 record]
Record 1 - internal organization data 2003-10-29
Record 1, English
Record 1, Subject field(s)
- Chemical Elements and Compounds
- Chemistry
Record 1, Main entry term, English
- arachno-
1, record 1, English, arachno%2D
correct, prefix
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
An affix used in names to designate a boron structure intermediate between nido- and hypho-. 2, record 1, English, - arachno%2D
Record number: 1, Textual support number: 1 OBS
For example: the compound arachno-tetraborane(10) is an arachno-borane composed of 4 boron atoms and 10 hydrogen atoms; formally it may be derived from nido-pentaborane(9) by the substraction of a boron atom. 3, record 1, English, - arachno%2D
Record number: 1, Textual support number: 2 OBS
An arachno-borane has a net-like structure 2). 3, record 1, English, - arachno%2D
Record number: 1, Textual support number: 3 OBS
arachno-: must be italicized; form recommended by the IUPAC (International Union of Pure and Applied Chemistry). 3, record 1, English, - arachno%2D
Record 1, Key term(s)
- arachno
Record 1, French
Record 1, Domaine(s)
- Éléments et composés chimiques
- Chimie
Record 1, Main entry term, French
- arachno-
1, record 1, French, arachno%2D
correct, prefix
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Affixe utilisé en nomenclature pour désigner une structure du bore qui, du point de vue de son ouverture, est intermédiaire entre nido- et hypho-. 2, record 1, French, - arachno%2D
Record number: 1, Textual support number: 1 CONT
Le mot de borane désigne des hydrures de bore, ainsi que des composés organiques de formule générale BH3R~ résultant de la substitution d'un ou de plusieurs atomes d'hydrogène du borane le plus simple BH. [...] Le bore, élément très léger, se distingue par une grande aptitude à former des dérivés hydrogénés de structures très variées : les atomes de bore peuvent en effet former des assemblages triangulaires (closoboranes), des chaînes ayant l'aspect d'un nid (nidoboranes) ou d'une toile d'araignée (arachnoboranes), et des dimères que l'on nomme conjonctoboranes. 3, record 1, French, - arachno%2D
Record number: 1, Textual support number: 1 OBS
Par exemple : l'arachno-tétraborane(10) est un arachno-borane composé de 4 atomes de bore et 10 atomes d'hydrogène; on peut formellement le considérer comme un dérivé du nido-pentaborane(9) formé par soustraction d'un atome de bore. 4, record 1, French, - arachno%2D
Record number: 1, Textual support number: 2 OBS
Un arachno-borane a une structure en toile d'araignée 2). 4, record 1, French, - arachno%2D
Record number: 1, Textual support number: 3 OBS
arachno- : s'écrit en italique; forme recommandée par l'UICPA (Union internationale de chimie pure et appliquée). 4, record 1, French, - arachno%2D
Record 1, Key term(s)
- arachno
Record 1, Spanish
Record 1, Textual support, Spanish
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