九氫合錸(VII)酸鈉 是一種過渡金屬氫負離子配合物,化學式為Na2 [ReH9 ]。[ 2] [ 3]
製備
金屬鈉還原高錸酸鈉 或高錸酸銨 的乙醇 溶液可以得到。[ 4]
N
H
4
R
e
O
4
+
18
N
a
+
13
C
2
H
5
O
H
→
N
a
2
[
R
e
H
9
]
↓
+
13
C
2
H
5
O
N
a
+
3
N
a
O
H
+
N
H
3
⋅
H
2
O
{\displaystyle {\mathsf {NH_{4}ReO_{4}+18Na+13C_{2}H_{5}OH\ {\xrightarrow {}}\ Na_{2}[ReH_{9}]\downarrow +13C_{2}H_{5}ONa+3NaOH+NH_{3}\cdot H_{2}O}}}
物理性質
化學性質
2
N
a
2
[
R
e
H
9
]
→
245
o
C
4
N
a
H
+
2
R
e
+
7
H
2
{\displaystyle {\mathsf {2Na_{2}[ReH_{9}]\ {\xrightarrow {245^{o}C}}\ 4NaH+2Re+7H_{2}}}}
N
a
2
[
R
e
H
9
]
+
5
H
2
O
→
100
o
C
N
a
R
e
O
4
+
N
a
O
H
+
9
H
2
{\displaystyle {\mathsf {Na_{2}[ReH_{9}]+5H_{2}O\ {\xrightarrow {100^{o}C}}\ NaReO_{4}+NaOH+9H_{2}}}}
Na2 [ReH9 ]在鹼性溶液中穩定,和稀酸反應放出氫氣 :[ 4]
2
N
a
2
[
R
e
H
9
]
+
4
H
C
l
→
4
N
a
C
l
+
2
R
e
↓
+
11
H
2
↑
{\displaystyle {\mathsf {2Na_{2}[ReH_{9}]+4HCl\ {\xrightarrow {}}\ 4NaCl+2Re\downarrow +11H_{2}\uparrow }}}
4
N
a
2
[
R
e
H
9
]
+
22
H
N
O
3
→
100
o
C
4
N
a
R
e
O
4
+
9
N
H
4
N
O
3
+
4
N
a
N
O
3
+
11
H
2
O
{\displaystyle {\mathsf {4Na_{2}[ReH_{9}]+22HNO_{3}\ {\xrightarrow {100^{o}C}}\ 4NaReO_{4}+9NH_{4}NO_{3}+4NaNO_{3}+11H_{2}O}}}
N
a
2
[
R
e
H
9
]
+
9
H
2
O
2
→
100
o
C
N
a
R
e
O
4
+
N
a
O
H
+
13
H
2
O
{\displaystyle {\mathsf {Na_{2}[ReH_{9}]+9H_{2}O_{2}\ {\xrightarrow {100^{o}C}}\ NaReO_{4}+NaOH+13H_{2}O}}}
4
N
a
2
[
R
e
H
9
]
+
11
O
2
→
τ
4
R
e
+
8
N
a
O
H
+
14
H
2
O
{\displaystyle {\mathsf {4Na_{2}[ReH_{9}]+11O_{2}\ {\xrightarrow {\tau }}\ 4Re+8NaOH+14H_{2}O}}}
參考文獻
^ A. P. Ginsberg, C. R. Sprinkle. Transition metal-hydrogen compounds. IV. Improved synthesis of enneahydridorhenates: the sodium and tetraethylammonium salts of ReH9 2- . Inorg. Chem., 1969, 8 (10), pp 2212–2214. DOI: 10.1021/ic50080a037
^ Лидин Р.А. и др. Химические свойства неорганических веществ: Учеб. пособие для вузов. — 3-е изд., испр. — М.: Химия, 2000. — 480 с. — ISBN 5-7245-1163-0 .
^ Рипан Р., Четяну И. Неорганическая химия. Химия металлов. — М.: Мир, 1972. — Т. 2. — 871 с.
^ 4.0 4.1 4.2 朱文祥. 無機化合物製備手冊. 化學工業出版社. pp 312-314. 【VII-74】九氫合錸酸二鈉(sodium nonahydridorhenate)
拓展閱讀
Cotton F A. Nonahydridorhenate Salts[M]// Inorganic Syntheses, Volume 13. John Wiley & Sons, Inc. 2007:219-225.