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022 | _a09743626 | ||
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_aMSU _bEnglish _cMSU _erda |
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050 | 0 | 0 | _aQD31 JOU |
100 | 1 |
_aMelardi, Mohammad Reza _eauthor |
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245 | 1 | 0 |
_aSynthesis, characterization and crystal structure of four new asymmetric triazene ligands : _ban example of linear H𝑔II complex with H𝑔...𝜋 secondary bonding interactions / _ccreated by Mohammad Reza Melardi, Fatemeh Baber Shamsi Mogoii, Ayoob Babaii Sajirani, Jafar Attar Gharamaleki, Behrouz Notash and Mohammad Kazem Rofouei |
264 | 1 |
_aBangalore : _bSpringer, _c2015. |
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_2rdacontent _atext _btxt |
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_2rdamedia _aunmediated _bn |
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338 |
_2rdacarrier _avolume _bnc |
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440 |
_aJournal of chemical sciences _vVolume 127, number 12, |
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520 | 3 | _aIn this work, the asymmetric ligands [1-(phenyl)-3-(2-nitro-4-methylphenyl)]triazene (1), [1-(4- methylphenyl)-3-(2-nitro-4-methylphenyl)]triazene (2), [1-(4-ethylphenyl)-3-(2-nitro-4-methylphenyl)]triazene (3) and [1-(4-ethoxyphenyl)-3-(2-nitro-4-methylphenyl)]triazene (4), were synthesized. The reaction of the ligand (3) with HgCl 2 in methanol resulted in the formation of the [HgL 2] complex, (5). All compounds were characterized by means of CHN analysis, FT-IR, 1H NMR, 13C NMR spectroscopy. In addition, the crystal structures of the ligands (2) to (4) were investigated by single crystal X-ray analysis. In the solid state, all ligands exhibited trans conformation about the –N =N– double bond. The Hg II complex (5) crystallized in monoclinic system with C2/c space group. The triazene ligand was found to be deprotonated prior to coordination and acts as monodentate ligand. The Hg II which lies on inversion center (site symmetry ı̄), is surrounded by two N atoms from L ligands forming a linear geometry. The other two Hg–N bonds are relatively longer and can only be regarded as weak secondary bonds. Also, Hg- η 3-arene π-interactions are present in this compound. Hydrogen bonds, π⋯π and C–H ⋯π stacking interactions help in the stabilization of the resulted frameworks. These C–H ⋯π edge-to-face interactions are present with H ⋯π distance of 3.00 Å. | |
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_aMercury(II) complex _vHg· · · 𝜋 interaction _xAsymmetric triazene |
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700 | 1 |
_aMogoi, Fatemeh Baber Shamsi _eco author |
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700 | 1 |
_aSajirani, Ayoob Babaii _eco author |
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700 | 1 |
_aGharamaleki, Jafar Attar _eco author |
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700 | 1 |
_aNotash, Behrouz _eco author |
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700 | 1 |
_aRofouei, Mohammad Kazem _eco author |
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856 | _uhttps://doi.org/10.1007/s12039-015-0979-7 | ||
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_2lcc _cJA |
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_c169412 _d169412 |