Two dinuclear iron(ii) complexes K[Fe_2(L~1)(SCN) _4]·2(C_3H_8O) and [Fe_2(L ~1)(SeCN)_3(C_5H_5N)]·H 2O are stabilised in the '[HS-LS]' state by a bis-tetradentate pyrazolate-based ligand

Olguín J.; Jameson G.N.L.; Brooker S.

首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Two dinuclear iron(ii) complexes K[Fe_2(L~1)(SCN) _4]·2(C_3H_8O) and [Fe_2(L ~1)(SeCN)_3(C_5H_5N)]·H 2O are stabilised in the '[HS-LS]' state by a bis-tetradentate pyrazolate-based ligand

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Two dinuclear iron(ii) complexes K[Fe_2(L~1)(SCN) _4]·2(C_3H_8O) and [Fe_2(L ~1)(SeCN)_3(C_5H_5N)]·H 2O are stabilised in the '[HS-LS]' state by a bis-tetradentate pyrazolate-based ligand

机译：两种双核铁（ii）配合物K [Fe_2（L〜1）（SCN）_4]·2（C_3H_8O）和[Fe_2（L〜1）（SeCN）_3（C_5H_5N）]·H 2O稳定在'[ HS-LS]'状态的双四齿吡唑酸酯基配体

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Two air-sensitive dinuclear iron(ii) complexes, K[Fe~(II)_2(L~1)(SCN)_4]·2(C_3H _8O) (1) and [Fe~(II)_2(L~1)(SeCN) _3(C_5H_5N)]·H2_O (2), of 3,5-bis[N,N-bis(2-pyridylmethyl)aminomethyl]-1H-pyrazolate [(L1) -] have been prepared. Interestingly, complex 1 is anionic, featuring four coordinated SCN- anions and a potassium counterion whereas complex 2 is neutral, containing a coordinated pyridine molecule and only three coordinated SeCN- anions. These are the first iron complexes reported for this type of ligand. Magnetic measurements and M?ssbauer spectra show that both 1 and 2 are in a '[HS-LS]' mixed spin state between 300 and 2 K.

机译：两种对空气敏感的双核铁（ii）配合物K [Fe〜（II）_2（L〜1）（SCN）_4]·2（C_3H _8O）（1）和[Fe〜（II）_2（L〜1）制备3,5-双[N，N-双（2-吡啶基甲基）氨基甲基] -1H-吡唑酸酯[（L1）-]）（SeCN）_3（C_5H_5N）]·H2_O（2）。有趣的是，配合物1是阴离子，具有四个配位的SCN-阴离子和一个钾抗衡离子，而配合物2是中性的，包含一个配位的吡啶分子和仅三个配位的SeCN-阴离子。这些是报道的这类配体的第一批铁配合物。磁测量和Msssbauer光谱表明，1和2都处于300到2 K之间的“ [HS-LS]”混合自旋状态。

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《Dalton transactions: An international journal of inorganic chemistry》 |2011年第18期|共4页
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Olguín J.; Jameson G.N.L.; Brooker S.;
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Two dinuclear iron(ii) complexes K[Fe_2(L~1)(SCN) _4]·2(C_3H_8O) and [Fe_2(L ~1)(SeCN)_3(C_5H_5N)]·H 2O are stabilised in the '[HS-LS]' state by a bis-tetradentate pyrazolate-based ligand

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