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溴化钕：修订间差异

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{{Chembox
{{Chembox
| Reference =
| Reference =
| Name = 溴化钕
<!-- Names -->
⚫
| Name =Neodymium(III) bromide
| IUPACName =Tribromoneodymium
| IUPACName =Tribromoneodymium
| PIN =
| PIN =
| SystematicName =
| SystematicName =
| OtherNames =
| OtherNames = 三溴化钕<br>溴化钕(III)
⚫
| NameEn = neodymium(III) bromide
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| ImageFile = Unit_cell_of_PuBr3.png
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| Beilstein =
| CASNo = 13536-80-6
| CASNo = 13536-80-6
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| ChemSpiderID = 75394
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| Beilstein =
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| EC_number = 236-897-2
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⚫
| InChI = 1S/3BrH.Nd/h3*1H;/q;;;+3/p-3
⚫
| EC_number = 236-897-2
⚫
| InChIKey = LBWLQVSRPJHLEY-UHFFFAOYSA-K
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| InChI = 1S/3BrH.Nd/h3*1H;/q;;;+3/p-3
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| InChIKey = LBWLQVSRPJHLEY-UHFFFAOYSA-K
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| SMILES = Br[Nd](Br)Br
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| RTECS =
| SMILES = Br[Nd](Br)Br
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| Section2 = {{Chembox Properties
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| AtmosphericOHRateConstant =
| AtmosphericOHRateConstant =
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| BoilingPt =
| BoilingPt =
| BoilingPtC = 1540
| BoilingPtC = 1540
| BoilingPt_ref = <ref name="scbt">{{cite web|title=Neodymium(III) bromide {{!}} CAS 13536-80-6|url=https://www.scbt.com/scbt/product/neodymium-iii-bromide-13536-80-6|website=www.scbt.com|accessdate=20 December 2016}}</ref>
| BoilingPt_ref = <ref name="scbt">{{cite web|title=Neodymium(III) bromide {{!}} CAS 13536-80-6|url=https://www.scbt.com/scbt/product/neodymium-iii-bromide-13536-80-6|website=www.scbt.com|accessdate=20 December 2016}}</ref><ref name="American" />
| BoilingPt_notes =
| BoilingPt_notes =
| Density = 5.3 g/cm<sup>2</sup>
| Density = 5.3 g/cm<sup>2</sup>
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| HenryConstant =
| HenryConstant =
| LogP =
| LogP =
| MolarMass = 383.95g
| MolarMass = 383.95
| MeltingPt =
| MeltingPt =
| MeltingPtC = 684
| MeltingPtC = 684
| MeltingPt_ref = <ref name="American">{{cite web|last1=Elements|first1=American|title=Neodymium(III) Bromide|url=https://www.americanelements.com/neodymium-iii-bromide-13536-80-6|website=American Elements|accessdate=20 December 2016}}</ref>
| MeltingPt_ref = <ref name="American">{{cite web|last1=Elements|first1=American|title=Neodymium(III) Bromide|url=https://www.americanelements.com/neodymium-iii-bromide-13536-80-6|website=American Elements|accessdate=20 December 2016|archive-date=2016-09-10|archive-url=https://web.archive.org/web/20160910123304/https://www.americanelements.com/neodymium-iii-bromide-13536-80-6|dead-url=no}}</ref>
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| Coordination = 8<ref name="Webelements">{{cite web|last1=Winter|first1=Mark|title=Neodymium»neodymium tribromide [WebElements Periodic Table]|url=https://www.webelements.com/compounds/neodymium/neodymium_tribromide.html|website=www.webelements.com|accessdate=20 December 2016}}</ref>
| Coordination = 8<ref name="Webelements">{{cite web|last1=Winter|first1=Mark|title=Neodymium»neodymium tribromide [WebElements Periodic Table]|url=https://www.webelements.com/compounds/neodymium/neodymium_tribromide.html|website=www.webelements.com|accessdate=20 December 2016|archive-date=2021-01-16|archive-url=https://web.archive.org/web/20210116212627/https://www.webelements.com/compounds/neodymium/neodymium_tribromide.html|dead-url=no}}</ref>
| CrystalStruct = Bicapped trigonal prismatic<ref name="Webelements"/>
| CrystalStruct = Bicapped trigonal prismatic<ref name="Webelements"/>
| MolShape =
| MolShape =
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| Entropy =
| Entropy =
| HeatCapacity =
| HeatCapacity =
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| Section5 = {{Chembox Explosive
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| ExternalSDS = N-MSDS0052
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| REL =
| REL =
| GHSPictograms = {{GHS exclamation mark}}
| GHSPictograms = {{GHS exclamation mark}}
| GHSSignalWord = '''Warning'''<ref name="Prochem"/>
| GHSSignalWord = '''警告'''<ref name="Prochem"/>
| HPhrases = {{H-phrases|315|319|335}}<ref name="Prochem">{{cite web|title=Neodymium Bromide {{!}} ProChem, Inc.|url=https://prochemonline.com/product/neodymiumbromide-2626|website=prochemonline.com|accessdate=20 December 2016}}</ref>
| HPhrases = {{H-phrases|315|319|335}}<ref name="Prochem">{{cite web|title=Neodymium Bromide {{!}} ProChem, Inc.|url=https://prochemonline.com/product/neodymiumbromide-2626|website=prochemonline.com|accessdate=20 December 2016|archive-date=2021-05-06|archive-url=https://web.archive.org/web/20210506222716/https://prochemonline.com/product/neodymiumbromide-2626|dead-url=no}}</ref>
| PPhrases = {{P-phrases|261|280|305+351+338|304+340|405|501}}<ref name="Prochem"/><ref name="Lanhit">{{cite web|title=Neodymium (III) bromide, ultra dry, 99.99% (metals basis)|url=http://lanhit.ru/en/proview.php?code=75|website=lanhit.ru|accessdate=20 December 2016}}</ref>
| PPhrases = {{P-phrases|261|280|305+351+338|304+340|405|501}}<ref name="Prochem"/><ref name="Lanhit">{{cite web|title=Neodymium (III) bromide, ultra dry, 99.99% (metals basis)|url=http://lanhit.ru/en/proview.php?code=75|website=lanhit.ru|accessdate=20 December 2016}}{{Dead link}}</ref>
}}
}}
| Section9 = {{Chembox Related
| Section9 = {{Chembox Related
| OtherAnions =
| OtherAnions = [[氟化钕]]、[[氯化钕]]、[[碘化钕]]
| OtherCations =
| OtherCations = [[溴化镨]]、[[三溴化钷]]、[[三溴化铀]]
| OtherCpds = [[氧化钕]]
| OtherFunction =
| OtherFunction_label =
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}}
'''溴化钕'''是一种无机化合物，化学式为NdBr<sub>3</sub>。这个无水化合物在室温下为灰白色至淡绿色固体，具有斜方晶系PuBr<sub>3</sub>型晶体结构。<ref>{{cite journal |last1=Peterson |first1=J.R. |last2=Heathman |first2=S. |last3=Benedict |first3=U. |title=Energy dispersive X-ray diffraction analysis of NdBr3 at pressures up to 52 GPa |journal=Journal of Alloys and Compounds |date=March 1993 |volume=193 |issue=1-2 |pages=306–308 |doi=10.1016/0925-8388(93)90380-6}}</ref>
'''溴化钕'''是一种无机化合物，化学式为NdBr<sub>3</sub>。


==制备==
==制备==
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钕和溴可以形成一种混合价态化合物K<sub>3</sub>Nd<sup>II</sup><sub>2</sub>Nd<sup>III</sup>Br<sub>10</sub>，它是黑绿色晶体，属[[正交晶系]]。<ref>Schleid, T.; Meyer, G. K3Nd3Br10: a mixed valent neodymium(II, III) bromide. European Journal of Solid State and Inorganic Chemistry, 1991. 28(Suppl): 591-596.</ref>
钕和溴可以形成一种混合价态化合物K<sub>3</sub>Nd<sup>II</sup><sub>2</sub>Nd<sup>III</sup>Br<sub>10</sub>，它是黑绿色晶体，属[[正交晶系]]。<ref>Schleid, T.; Meyer, G. K3Nd3Br10: a mixed valent neodymium(II, III) bromide. European Journal of Solid State and Inorganic Chemistry, 1991. 28(Suppl): 591-596.</ref>


用[[碱金属]]还原NdBr<sub>3</sub>，还原剂为[[钠|Na]]时，可以得到NdBr<sub>2</sub>（[[氯化铅|PbCl<sub>2</sub>]]型结构）；当还原剂为[[钾|K]]或[[铷|Rb]]时，得到的是KNd<sub>2</sub>Br<sub>5</sub>和RbNd<sub>2</sub>Br<sub>5</sub>混合价态化合物。<ref>Hohnstedt, Carsten; Meyer, Gerd. Metallothermic reduction of the tribromide and -​iodide of neodymium with alkali metals{{de}}. Zeitschrift fuer Anorganische und Allgemeine Chemie, 1993. 619(8): 1379-1383.</ref>
用[[碱金属]]还原NdBr<sub>3</sub>，还原剂为[[钠|Na]]时，可以得到NdBr<sub>2</sub>（[[氯化铅|PbCl<sub>2</sub>]]型结构）；当还原剂为[[钾|K]]或[[铷|Rb]]时，得到的是KNd<sub>2</sub>Br<sub>5</sub>和RbNd<sub>2</sub>Br<sub>5</sub>。<ref>Hohnstedt, Carsten; Meyer, Gerd. Metallothermic reduction of the tribromide and -iodide of neodymium with alkali metals{{de}}. Zeitschrift fuer Anorganische und Allgemeine Chemie, 1993. 619(8): 1379-1383.</ref>


==参考文献==
==参考文献==
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[[category:钕化合物]]
[[category:钕化合物]]
[[category:溴化物]]
[[category:溴化物]]
[[category:金属卤化物]]
[[Category:镧系金属卤化物]]

2022年12月30日 (五) 22:30的最新版本

溴化钕
IUPAC名
Tribromoneodymium
英文名 neodymium(III) bromide
别名 三溴化钕
溴化钕(III)
识别
CAS号 13536-80-6  checkY
PubChem 83564
ChemSpider 75394
SMILES
 
  • Br[Nd](Br)Br
InChI
 
  • 1S/3BrH.Nd/h3*1H;/q;;;+3/p-3
InChIKey LBWLQVSRPJHLEY-UHFFFAOYSA-K
性质
化学式 NdBr3
摩尔质量 383.95 g·mol⁻¹
外观 粉末或晶体
密度 5.3 g/cm2
熔点 684 °C（957 K）
沸点 1540 °C（1813 K）
结构
晶体结构 Bicapped trigonal prismatic[1]
配位几何 8[1]
危险性
GHS危险性符号
《全球化学品统一分类和标签制度》（简称“GHS”）中有害物质的标签图案
GHS提示词 警告[2]
H-术语 H315, H319, H335[2]
P-术语 P261, P280, P305+351+338, P304+340, P405, P501[2][3]
相关物质
其他阴离子 氟化钕、氯化钕、碘化钕
其他阳离子 溴化镨、三溴化钷、三溴化铀
相关化学品 氧化钕
若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

溴化钕是一种无机化合物，化学式为NdBr3。这个无水化合物在室温下为灰白色至淡绿色固体，具有斜方晶系PuBr3型晶体结构。[4]

制备

[编辑]

在碳的存在下，氧化钕和四溴化碳反应，可以制得溴化钕。[5]

相关化合物

[编辑]

钕和溴可以形成一种混合价态化合物K3NdII2NdIIIBr10，它是黑绿色晶体，属正交晶系。[6]

用碱金属还原NdBr3，还原剂为Na时，可以得到NdBr2（PbCl2型结构）；当还原剂为K或Rb时，得到的是KNd2Br5和RbNd2Br5。[7]

参考文献

[编辑]
  1. ^ 1.0 1.1 Winter, Mark. Neodymium»neodymium tribromide [WebElements Periodic Table]. www.webelements.com. [20 December 2016]. （原始内容存档于2021-01-16）. 
  2. ^ 2.0 2.1 2.2 Neodymium Bromide | ProChem, Inc.. prochemonline.com. [20 December 2016]. （原始内容存档于2021-05-06）. 
  3. ^ Neodymium (III) bromide, ultra dry, 99.99% (metals basis). lanhit.ru. [20 December 2016]. [失效連結]
  4. ^ Peterson, J.R.; Heathman, S.; Benedict, U. Energy dispersive X-ray diffraction analysis of NdBr3 at pressures up to 52 GPa. Journal of Alloys and Compounds. March 1993, 193 (1-2): 306–308. doi:10.1016/0925-8388(93)90380-6. 
  5. ^ Borisov, G. K.; Krasnova, S. G.; Khrenova, R. I. Preparation of anhydrous bromides of some lanthanides（俄文）. Zhurnal Neorganicheskoi Khimii, 1971. 16(22): 2899-2901.
  6. ^ Schleid, T.; Meyer, G. K3Nd3Br10: a mixed valent neodymium(II, III) bromide. European Journal of Solid State and Inorganic Chemistry, 1991. 28(Suppl): 591-596.
  7. ^ Hohnstedt, Carsten; Meyer, Gerd. Metallothermic reduction of the tribromide and -iodide of neodymium with alkali metals（德文）. Zeitschrift fuer Anorganische und Allgemeine Chemie, 1993. 619(8): 1379-1383.
检索自“https://zh.wikipedia.org/zhwiki/w/index.php?title=溴化钕&oldid=75297466”