4-Piridin Boronik Asit Katyonu ve $left[Pd{left(S_2C_2O_2right)}_2right]$ Anyonu İçeren Yeni Bileşiğin Sentezi veKristal Yapısı

Bu çalışmada, yeni bileşik $[HNC_5H_4B(OH)(OCH_3)-4]_2$ [Pd$(S_2C_2O_2)_2)$][Pd$(S_2C_2O_2)_2)$]sentezlendi ve kristalyapısı tek kristal X-ışını kırınım yöntemiyle belirlendi. Bileşik, monoklinik kristal sisteminde P21/nuzay grubunda a=9.1907 Å, b=11.481 Å, c=11.107 Å, α= 90°, β =97.97°, γ =90° ve Z=2 birim hücreparametrelerinde kristallendi. Bileşiğin kristal yapısında bir $left{{left[HNC_5H_4Bleft(OHright)left(OCH_3right)-4right]}_2right}^{2+}$ katyonu vebir [$left[Pd{left(S_2C_2O_2right)}_2right]^{2-}$ anyon molekülü bulunmaktadır. İnversiyon merkezinde bulunan PdII iyonu dörtkoordinasyonludur ve hafifçe bozulmuş kare düzlem geometriye sahiptir. Kristal yapıda, NH⋯O veOH⋯O ve CH⋯O hidrojen bağları anyon ve katyon moleküllerini bir arada tutmaktadır. Anyon vekatyon moleküllerinin 010 yönünde ikili vida ekseni ve 010 yönüne dik kayma düzlemi simetrisi iledizilmesi üç boyutlu bir ağ oluşmaktadır. Bu hidrojen bağlı ağ, bc düzleminde a ekseni boyunca istiflenir

Synthesis and Crystal Structure of New Compound Containing 4-Pyridine Boronic Acid Cation and $left[Pd{left(S_2C_2O_2right)}_2right]$ Anion

In this work, new compound $[HNC_5H_4B(OH)(OCH_3)-4]_2$ [Pd$(S_2C_2O_2)_2)$] was synthesizedand its crystal structure was determined by single crystal X-ray diffraction method. The compoundcrystallized in the monoclinic crystal system in the P21/n space group at a = 9.1907 Å, b = 11.481 Å, c= 11.107 Å, α = 90°, β = 97.97°, γ = 90° and Z = 2 unit cell parameters. The crystalline structure of the compound contains a $left{{left[HNC_5H_4Bleft(OHright)left(OCH_3right)-4right]}_2right}^{2+}$ cation and a $left[Pd{left(S_2C_2O_2right)}_2right]^{2-}$ anion molecule. ThePdII ion in the inversion center is four-coordinated and has a slightly distorted square-plane geometry.In the crystal structure, NH⋯O and OH⋯O and CH⋯O hydrogen bonds hold anion and cationmolecules together. A three-dimensional structure is formed when anion and cation molecules arearranged with a twofold screw axis in the 010 direction and a shear plane perpendicular to the 010 direction. This hydrogen-bonded network stacked along an axis in the bc plane.

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