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Ammonia Synthesis through Hydrolysis of a Trianionic Pincer Ligand-Supported Molybdenum-Nitride Complex
被引:6
|作者:
Chakraborty, Jhonti
[1
]
Mandal, Ushnish
[1
]
Ghiviriga, Ion
[1
]
Abboud, Khalil A.
[1
]
Veige, Adam S.
[1
]
机构:
[1] Univ Florida, Dept Chem, Ctr Catalysis, POB 117200, Gainesville, FL 32611 USA
基金:
美国国家科学基金会;
关键词:
ammonia synthesis;
homogeneous phase;
molybdenum nitride;
nitride hydrolysis;
CATALYTIC-REDUCTION;
MOLECULAR NITROGEN;
NITRIDOMOLYBDENUM(VI) COMPLEXES;
OXYGEN VACANCIES;
DINITROGEN;
CONVERSION;
FIXATION;
CLEAVAGE;
TITANIUM;
CRYSTAL;
D O I:
10.1002/chem.201903740
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
Reported is the hydrolysis of a homogeneous Mo-nitride complex bearing a trianionic pincer-type ligand to produce ammonia. Treating the anionic [(ONO)]Mo equivalent to N(OtBu)]Ph3PCH3 with two equivalents of water produces ammonia and the dioxo complex [(ONO)]MoO2]Ph3PCH3. X-Ray crystal structures of the starting nitrido complex and product dioxo complex are presented. Evidence for ammonia release comes from GC-MS and deuterium-labelling studies. The reaction is presented in the context of a two-stage solar thermochemical dinitrogen fixation process as the solid-state nitride hydrolysis step.
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页码:14059 / 14063
页数:5
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