Inorganic Chemistry
v
Taro Saito
v
,Preface
Thevauthorvhasvtriedvtovdescribevminimumvchemicalvfactsvandvconceptsvthatvarevnece
ssaryvtovunderstandvmodernvinorganicvchemistry.v Allvthevelementsvexceptvsuperheavyvonesv
havevbeenvdiscoveredvandvtheoreticalvframeworksvforvthevbonding,vstructurevandvreactionv
constructed.v Thevmainvpurposesvofvinorganicvchemistryvinvnearvfuturevwillvbevthevsyntheses
vofvthevcompounds vwith vunexpectedvbondingvmodesvandvstructures,vandvdiscoveriesvofvnov
elvreactionsvandvphysicalvpropertiesvofvnewvcompounds.
Morevthanvtenvmillionvorganicvcompoundsvarevknownvatvpresentvandvinfinitevnumbervo
fvinorganicvcompoundsvarevlikelyvtovbevsynthesizedvbyvthevcombinationvofvallvthevelements
.v Recently,vreallyvepochvmakingvcompoundsvsuchvasvcomplexvcoppervoxidesvwithvhigh-
temperaturevsuperconductivityvandvavnewvcarbonvallotropevC60vhavevbeenvdiscoveredvandvi
tvisvwidelyvrecognizedvthatvveryvactivevresearchveffortsvarevbeingvdevotedvtovthevstudyvofvth
esevcompounds.v Byvthevdiscoveriesvofvnewvcompounds,vnewvempiricalvlawsvarevproposedv
andvnewvtheoriesvarevestablishedvtovexplainvthevbondings,vstructures,vreactions,vandvphysic
alvproperties.v However,vclassicalvchemicalvknowledgevisvessentialvbeforevstudyingvnewvch
emistry.v Learningvsyntheticvmethods,vstructures,vbondings,vandvmainvreactionsvofvbasicvc
ompoundsvisvavprocessvrequisitevtovstudents.
Thisvtextvbookvdescribesvimportantvcompoundsvsystematicallyvalongvthevperiodicvtab
le,vandvreadersvarevexpectedvtovlearnvtypicalvonesvbothvinvthevmolecularvandvsolidvstates.vThev
necessaryvtheoriesvtovexplainvthesevpropertiesvofvcompoundsvcomevfromvphysicalvchemistr
yvandvbasicvconceptsvforvlearningvinorganicvchemistryvarevpresentedvinvthevfirstvthreevchapt
ers.
Inorganicvchemistryvisvofvfundamentalvimportancevnotvonlyvasvavbasicvsciencevbutvals
ovasvonevofvthevmostvusefulvsourcesvforvmodernvtechnologies.v Elementaryvsubstancesvandv
solid-
statevinorganicvcompoundsvarevwidelyvusedvinvthevcorevofvinformation,vcommunication,vau
tomotive,vaviationvandvspacevindustriesvasvwellvasvinvtraditionalvones.vInorganicvcompound
svarevalsovindispensablevinvthevfrontiervchemistryvofvorganicvsynthesisvusingvmetalvcomplex
es,vhomogeneousvcatalysis,vbioinorganicvfunctions,vetc.v Onevofvthevreasonsvforvthevrapidvp
rogressvofvinorganicvchemistryvisvthevdevelopmentvofvthevstructuralvdeterminationvofvcomp
oundsvbyvX-
rayvandvothervanalyticalvinstruments.v Itvhasvnowvbecomevpossiblevtovaccountvforvthevstruct
ure-
functionvrelationshipsvtovavconsiderablevextentvbyvthevaccumulationvofvstructuralvdatavonvi
norganicvcompounds.v Itvisvnovexaggerationvtovsayvthatvavrevolutionvofvinorganicvchemistry
visvoccurring.v Wevlookvforwardvtovthevfurthervdevelopmentvofvinorganicvchemistryvinvnearv
i
,future.
Thev presentv textv isv av translationv fromv av Japanesev textv bookv inv thev seriesv of
ii
, introductoryvcoursesvforvthevfreshman,vandvjuniorvstudents.v Thevseriesvhasvbeenvwelcomev
widelyvinvJapanvsincevtheirvfirstvpublicationvinv1996vasvuniquevapproachesvtovmodernvche
mistriesvthatvarevbecomingvtoovcomplexvtovlearnvduringvthevshortvperiodvofvuniversityvcour
ses.v Thisvinternetvversionvisvintendedvtovoffervfreevtextbooksvforvthosevstudentsvwhovhavevl
ittlevaccessvtovthevprintedvversionvandvwevhopevthatvreadersvwillvbenefitvfromvthisvexperime
ntalvedition.v ThevauthorvexpressesvhisvacknowledgmentsvtovProfessorvYoshitovTakeuchivf
orvhisveffortsvtovrealizevthevprojectvandvIwanamivPublishingvCompanyvtovapprovevthevpubli
cationvofvthevinternetveditionvwithoutvclaimingvavcopyrightvforvtranslation.
Mayv10,v2004
KanagawavUniversity TarovSaito
iii
v
Taro Saito
v
,Preface
Thevauthorvhasvtriedvtovdescribevminimumvchemicalvfactsvandvconceptsvthatvarevnece
ssaryvtovunderstandvmodernvinorganicvchemistry.v Allvthevelementsvexceptvsuperheavyvonesv
havevbeenvdiscoveredvandvtheoreticalvframeworksvforvthevbonding,vstructurevandvreactionv
constructed.v Thevmainvpurposesvofvinorganicvchemistryvinvnearvfuturevwillvbevthevsyntheses
vofvthevcompounds vwith vunexpectedvbondingvmodesvandvstructures,vandvdiscoveriesvofvnov
elvreactionsvandvphysicalvpropertiesvofvnewvcompounds.
Morevthanvtenvmillionvorganicvcompoundsvarevknownvatvpresentvandvinfinitevnumbervo
fvinorganicvcompoundsvarevlikelyvtovbevsynthesizedvbyvthevcombinationvofvallvthevelements
.v Recently,vreallyvepochvmakingvcompoundsvsuchvasvcomplexvcoppervoxidesvwithvhigh-
temperaturevsuperconductivityvandvavnewvcarbonvallotropevC60vhavevbeenvdiscoveredvandvi
tvisvwidelyvrecognizedvthatvveryvactivevresearchveffortsvarevbeingvdevotedvtovthevstudyvofvth
esevcompounds.v Byvthevdiscoveriesvofvnewvcompounds,vnewvempiricalvlawsvarevproposedv
andvnewvtheoriesvarevestablishedvtovexplainvthevbondings,vstructures,vreactions,vandvphysic
alvproperties.v However,vclassicalvchemicalvknowledgevisvessentialvbeforevstudyingvnewvch
emistry.v Learningvsyntheticvmethods,vstructures,vbondings,vandvmainvreactionsvofvbasicvc
ompoundsvisvavprocessvrequisitevtovstudents.
Thisvtextvbookvdescribesvimportantvcompoundsvsystematicallyvalongvthevperiodicvtab
le,vandvreadersvarevexpectedvtovlearnvtypicalvonesvbothvinvthevmolecularvandvsolidvstates.vThev
necessaryvtheoriesvtovexplainvthesevpropertiesvofvcompoundsvcomevfromvphysicalvchemistr
yvandvbasicvconceptsvforvlearningvinorganicvchemistryvarevpresentedvinvthevfirstvthreevchapt
ers.
Inorganicvchemistryvisvofvfundamentalvimportancevnotvonlyvasvavbasicvsciencevbutvals
ovasvonevofvthevmostvusefulvsourcesvforvmodernvtechnologies.v Elementaryvsubstancesvandv
solid-
statevinorganicvcompoundsvarevwidelyvusedvinvthevcorevofvinformation,vcommunication,vau
tomotive,vaviationvandvspacevindustriesvasvwellvasvinvtraditionalvones.vInorganicvcompound
svarevalsovindispensablevinvthevfrontiervchemistryvofvorganicvsynthesisvusingvmetalvcomplex
es,vhomogeneousvcatalysis,vbioinorganicvfunctions,vetc.v Onevofvthevreasonsvforvthevrapidvp
rogressvofvinorganicvchemistryvisvthevdevelopmentvofvthevstructuralvdeterminationvofvcomp
oundsvbyvX-
rayvandvothervanalyticalvinstruments.v Itvhasvnowvbecomevpossiblevtovaccountvforvthevstruct
ure-
functionvrelationshipsvtovavconsiderablevextentvbyvthevaccumulationvofvstructuralvdatavonvi
norganicvcompounds.v Itvisvnovexaggerationvtovsayvthatvavrevolutionvofvinorganicvchemistry
visvoccurring.v Wevlookvforwardvtovthevfurthervdevelopmentvofvinorganicvchemistryvinvnearv
i
,future.
Thev presentv textv isv av translationv fromv av Japanesev textv bookv inv thev seriesv of
ii
, introductoryvcoursesvforvthevfreshman,vandvjuniorvstudents.v Thevseriesvhasvbeenvwelcomev
widelyvinvJapanvsincevtheirvfirstvpublicationvinv1996vasvuniquevapproachesvtovmodernvche
mistriesvthatvarevbecomingvtoovcomplexvtovlearnvduringvthevshortvperiodvofvuniversityvcour
ses.v Thisvinternetvversionvisvintendedvtovoffervfreevtextbooksvforvthosevstudentsvwhovhavevl
ittlevaccessvtovthevprintedvversionvandvwevhopevthatvreadersvwillvbenefitvfromvthisvexperime
ntalvedition.v ThevauthorvexpressesvhisvacknowledgmentsvtovProfessorvYoshitovTakeuchivf
orvhisveffortsvtovrealizevthevprojectvandvIwanamivPublishingvCompanyvtovapprovevthevpubli
cationvofvthevinternetveditionvwithoutvclaimingvavcopyrightvforvtranslation.
Mayv10,v2004
KanagawavUniversity TarovSaito
iii