「塩化セシウム」の版間の差分

2024年5月28日 (火) 04:32時点における版

2025年7月10日 (木) 11:26時点における最新版

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{{Chembox

{{Infobox_無機化合物

| Verifiedfields = changed

|画像=[[Image:Caesium chloride.jpg|150px|塩化セシウムの粉末]]<br />[[Image:Caesium-chloride-3D-ionic.png|150px|結晶構造模型]]

| Watchedfields = changed

|IUPAC名=

| verifiedrevid = 476993274

|別名=

|結晶構造 Name = 塩化セシウム型

|組成式=CsCl

| ImageFile = Caesium chloride.jpg

|式量=168.36

| ImageSize = 230px

|形状=無色固体

| ImageFile1 = CsCl polyhedra.png

|結晶構造=塩化セシウム型

| ImageSize1 = 230px

|CAS登録番号=7647-17-8

| ImageFile2 = Caesium-chloride-3D-ionic.png

|密度=3.99

| IUPACName = Caesium chloride

|相=固体

| OtherNames = Cesium chloride

|水への溶解度=162

| Section1 = {{Chembox Identifiers

|温度=1

| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}

|融点=645

| ChemSpiderID = 22713

|融点注=

| UNII_Ref = {{fdacite|correct|FDA}}

|沸点=1295

| UNII = GNR9HML8BA

|沸点注=

| InChI = 1/ClH.Cs/h1H;/q;+1/p-1

|出典=<!-- en:caesium chloride より -->

| SMILES = [Cs+].[Cl-]

| InChIKey = AIYUHDOJVYHWHXWOFAO

| StdInChI_Ref = {{stdinchicite|correct|chemspider}}

| StdInChI = 1S/ClH.Cs/h1H;/q;+1/p-1

| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}

| StdInChIKey = AIYUHDOJVYHVIT-UHFFFAOYSA-M

|CAS登録番号 CASNo = 7647-17-8

| CASNo_Ref = {{cascite|correct|CAS}}

| EINECS = 231-600-2

| PubChem = 24293

}}

| Section2 = {{Chembox Properties

| Formula = CsCl

| MolarMass = 168.36 g/mol

| Appearance = 白色の固体<br/> [[吸湿性]]

| Density = 3.988 g/cm³<ref name=r1/>

| Solubility = 1910 g/L (25 °C)<ref name=r1/>

| SolubleOther = エタノールに溶ける<ref name=r1/>

| MeltingPtC = 646

| MeltingPt_ref =<ref name=r1/>

| BoilingPtC = 1297

| BoilingPt_ref =<ref name=r1>Haynes, p. 4.57</ref>

| RefractIndex = 1.712 (0.3 μm)<br/>1.640 (0.59 μm)<br/>1.631 (0.75 μm)<br/>1.626 (1 μm)<br/>1.616 (5 μm)<br/>1.563 (20 μm)<ref>Haynes, p. 10.240</ref>

| BandGap =8.35 eV (80 K)<ref name=gap>{{cite journal|doi=10.1088/0953-8984/6/12/009|year=1994|last1=Lushchik|first1=A|last2=Feldbach|first2=E|last3=Frorip|first3=A|last4=Ibragimov|first4=K|last5=Kuusmann|first5=I|last6=Lushchik|first6=C|journal=Journal of Physics: Condensed Matter|volume=6|issue=12|pages=2357–2366|title=Relaxation of excitons in wide-gap CsCl crystals|bibcode=1994JPCM....6.2357L|s2cid=250824677 }}</ref>

| MagSus = −56.7·10⁻⁶ cm³/mol<ref>Haynes, p. 4.132</ref>

}}

| Section3 = {{Chembox Structure

| CrystalStruct = CsCl, [[ピアソン記号|cP2]]

| SpaceGroup = Pm{{overline|3}}m, No. 221<ref name=str>{{cite journal|doi=10.1107/S0567739477000722|title=The transition mechanism between the CsCl-type and NaCl-type structures in CsCl|journal=Acta Crystallographica Section A|volume=33|issue=2|pages=294|year=1977|last1=Watanabe|first1=M.|last2=Tokonami|first2=M.|last3=Morimoto|first3=N.|bibcode=1977AcCrA..33..294W}}</ref>

| LattConst_a = 0.4119 nm

| UnitCellFormulas = 1

| UnitCellVolume =0.0699 nm³

| Coordination = Cubic (Cs⁺)<br/>Cubic (Cl⁻)

}}

| Section4 = {{Chembox Hazards

| LD50 = 2600 mg/kg (経口, ラット)<ref>[https://chem.nlm.nih.gov/chemidplus/rn/7647-17-8 Cesium chloride]. nlm.nih.gov</ref>

| GHSPictograms = {{GHS07}}{{GHS08}}

| GHSSignalWord = Warning

| HPhrases = {{H-phrases|302|341|361|373}}

| PPhrases = {{P-phrases|201|202|260|264|270|281|301+312|308+313|314|330|405|501}}

}}

| Section8 = {{Chembox Related

| OtherAnions = [[フッ化セシウム]]<br/>[[臭化セシウム]]<br/>[[ヨウ化セシウム]]<br/>アスタチン化セシウム

| OtherCations = [[塩化リチウム]]<br/>[[塩化ナトリウム]]<br/>[[塩化カリウム]]<br/>[[塩化ルビジウム]]<br/>[[塩化フランシウム]]

}}

}}

'''塩化セシウム'''（えんかセシウム、cesium chloride）は化学式 CsCl で表される[[無機化合物]]である。無色の固体であり、[[セシウム]]イオン源としてさまざまな用途に使われる。[[結晶構造|結晶構造型]]のひとつとしても知られる。