- An
alkalide is a
chemical compound in
which alkali metal atoms are
anions (negative ions) with a
charge or
oxidation state of −1.
Until the
first discovery...
-
dubbed "inverse
sodium hydride",
which contains H+ and Na− ions. Na− is an
alkalide, and this
compound differs from
ordinary sodium hydride in
having a much...
- last
electron and
acquire a
positive charge,
although negatively charged alkalide K− ions are not impossible. In contrast, the
second ionization energy is...
- ionop****s, also have a high
affinity for the
sodium ion;
derivatives of the
alkalide Na− are
obtainable by the
addition of
cryptands to
solutions of sodium...
- to form
alkalides, and the
alkalides have much
theoretical interest due to
their unusual stoichiometry and low
ionisation potentials.
Alkalides are chemically...
- been
recognized in textbooks,
cryptands enabled the
synthesis of the
alkalides and electrides. For example,
addition of 2,2,2-cryptand to a solution...
-
compound in THF
followed by the
addition of NaK to give [K(18-crown-6)]Na, an
alkalide salt.
Crystallographic analysis reveals a
relatively flat
molecule but...
-
increases the
amount of calcium, iron, copper, zinc that are
added through the
alkalide or the
vessel used in the
process and niacin,
riboflavin and more protein...
-
sodium anion Na− was
reported in 1974.
Since then
further compounds ("
alkalides")
containing anions of all
other alkali metals except Li and Fr, as well...
- ionop****s, also have a high
affinity for the
sodium ion;
derivatives of the
alkalide Na− are
obtainable by the
addition of
cryptands to
solutions of sodium...
