Chiang Mai Journal of Science

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Structural Analysis of Powder Tris(phenanthroline) nickel(II) Trifluoroacetate

Hari Sutrisno, Cahyorini Kusumawardani, Rifai Yusuf Rananggana and Kristian Handoyo Sugiyarto
* Author for corresponding; e-mail address: sugiyarto@uny.ac.id
Volume: Vol.45 NO.7 (November 2018)
Research Article
DOI:
Received: 15 January 2018, Revised: -, Accepted: 12 Febuary 2018, Published: -

Citation: Sutrisno H., Kusumawardani C., Rananggana R.Y. and Sugiyarto K.H., Structural Analysis of Powder Tris(phenanthroline) nickel(II) Trifluoroacetate , Chiang Mai Journal of Science, 2018; 45(7): 2768-2778.

Abstract

The powder complex of tris(phenanthroline)nickel(II) trifluoroacetate has been synthesized by interaction of the corresponding nitrate salt in an aqueous solution and slightly excess of 1,10-phenanthroline in water/ethanol, whereupon the precipitate was produced on addition of an excess of saturated sodium trifluoroacetate solution while reducing the solvent. AAS measurement showed the content of metal to be 6.43 % being relatively close to the corresponding theoretical value of 6.60 % masss in [Ni(phen)3](CF3COO)2.3.5H2O. Moreover, the TGA confirmed the lost of 6.943% mass of complex corresponding to 3.43 H2O. The analysis of conductance producing the charge ratio of cation by anion to be 2:1, clearly fonfirms the formula. The magnetic moment, meff, of this complex which was to be 3.19-3.31 BM, indicates that the complex is paramagnetic corresponding to two unpaired electrons which is clearly higher than the spin only value (2.87 BM) due to the spin-orbit coupling. UV-Vis spectrum of the complex revealed the first two main ligand field bands observed at about 12700 and 19250 cm-1, which are associated with the spin-allowed transition, 3A2g ® 3T2g and 3A2g ® 3T1g(F), respectively. The expected third band at higher energy was not well resolved due to the masked strong intensity of charge transfer band. The infrared spectrum shows absorptions of functional group of ligand which is influenced by the metal-ligand interaction in this complex. The powder XRD analysis of this complex was refined using Rietica-Le Bail method (within cycle number of 75) and found to be fit as monoclinic crystal system with space group of P21/M, and cell parameters of a = 12.8182 , b = 30.8076 , c = 16.7725 , a = 90°, b = 88.7349°, g = 90°, V = 6621.8145 3, Z=4, with figure of merit: Rp = 1.7, Rwp = 4.08 and Rexp = 0.32. The goodness of the fitting (GOF = 167.4) was also reflected by the derived Bragg R-Factor of 0.06. 

Keywords: Rietica, Le Bail, phen, trifluoroacetate, nickel(II)

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Simple and Efficient Synthesis of Benzimidazole Derivatives Using Cobalt (II) Acetylacetone at Room Temperature
page: 618 - 624

Guozheng Zhao and Ming Lu*

Vol.40 No.4 (OCTOBER 2013)
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Screening of 50 Microbial Strains for Production of Ethanol and (R)-phenylacetylcarbinol
page: 299 - 304

Julaluk Tangtua [a], Charin Techapun [b], Ronachai Pratanaphon [b], Ampin Kuntiya [b], Thanongsak C

Vol.40 No.2 (APRIL 2013)
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Nutritional and Physicochemical Qualities of Thua Nao (Thai Traditional Fermented Soybean)
page: 562 - 574

Katekan Dajanta1,2, Ekachai Chukeatirote3,* and Arunee Apichartsrangkoon2

Vol.39 No.4 (OCTOBER 2012)
Research Article View: 1,020 Download: 344
Electrospinning of Light-emitting Fibers from a Tertiary Blend Solution of an Inert Polymer and Two Conjugated Polymers
page: 193 - 209

Sutheerat Changsarn [a,b], James D. Mendez [c], Christoph Weder*[c], Toemsak Srikhirin [d], and Pit

Vol.38 No.2 (APRIL 2011)
Research Article View: 974 Download: 266
A Direct Current Polarographic Method for the Determination of Chlorpheniramine Maleate in Pharmaceutical Preparations
page: 135 - 142

Teraboon Pojanagaroon, Saisunee Liawruangrath, and Boonsom Liawruangrath

Vol.34 No.1 (JANUARY 2007)
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Effect of L -cysteine, P otassium Metabisulfite, Ascorbic Acid and Citric Acid on Inhibition of Enzymatic Browning in Longan
page: 137 - 141

Nutkridta Pongsakul, Bundit Leelasart and Nuansri Rakariyatham*

Vol.33 No.1 (JANUARY 2006)
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Antioxidant Capacity of Broccoli Seeds Grown in Thailand
page: 117 - 122

Sarunya Chuanphongpanich* [a], Maitree Suttajit [b], Sukon Phanichphant [c Duang Buddhasukh [c]

Vol.33 No.1 (JANUARY 2006)
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Extraction of Phenolic Compounds from Fruits of Bitter Melon (Momordica charantia ) with Subcritical Water Extraction and Antioxidant Activities of These Extracts
page: 123 - 130

Parichat Budrat and Artiwan Shotipruk

Vol.35 No.1 (JANUARY 2008)
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Subcritical Water Extraction of Polyphenolic Compounds from Terminalia chebula Fruits
page: 103 - 108

Rangsriwong P., Rangkadilok N., and Shotipruk A

Vol.35 No.1 (JANUARY 2008)
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Establishment of Competitive ELISA for Detection of Chloramphenicol
page: 85 - 94

Mookda P attarawarapan [a], Sawitree Nangola [b] and Chatchai T ayapiwatana* [b]

Vol.33 No.1 (JANUARY 2006)
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Phenolic Compounds in Protein Fraction of Processed Mustard Meal
page: 1 - 8

Worravimon Trakarnsirinont and Nuansri Rakariyatham

Vol.27 No.1 (JUNE 2000)
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A Barium-Calcium Silicate Glass for Use as Seals in Planar SOFCs
page: 231 - 242

Prachaya Namwong, Nattapol Laorodphan, Worapong Thiemsorn, Manat Jaimasith, Anucha Wannakon, and Tor

Vol.37 No.2 (MAY 2010)
Research Article View: 1,038 Download: 298
In vitro Antioxidant Activity of Vitex negundo L. Leaf Extracts
page: 489 - 497

Raghavendra H. Lakshmanashetty, Vijayananda B. Nagaraj, Madhumathi G. Hiremath and Vadlapudi Kumar

Vol.37 No.3 (SEPTEMBER 2010)
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Partial Characterization of a New Peptide from Ivorian Red Onion that Inhibits Polyphenol Oxidase and Enzymatic Browning of Edible Yam (Dioscorea cayenensis-rotundata cv LongbÔ )
page: 464 - 475

Sophie N. Gnangui , Sebastien L. Niamke and Lucien P. Kouame

Vol.37 No.3 (SEPTEMBER 2010)
Research Article View: 976 Download: 313
Dioxouranium(VI) Complexes of Some Bivalent Tridentate Schiff-base Ligands Containing ONS Donor Set
page: 443 - 450

Didarul A. Chowdhury, Mohammad N. Uddin, and Farhana Hoque

Vol.37 No.3 (SEPTEMBER 2010)
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