20 Questions 31 Answers 0 Followers
Questions related from Mohammad Ramezani Taghartapeh
Hello Everyone, I am using Cu2O as an oxidizing agent in a reaction, however in the procedure given for this synthesis, the author simply mentioned "filter the product to remove Cu2O ". I am...
12 December 2018 7,395 10 View
Dear All,I am performing a CV analysis of Ferrocene and I obtained good CV graphs but when I come to calculate the inidic peak current, cathodic peak current and other parameter, the software does...
06 June 2017 1,891 3 View
Does anyone know what is the most suitable solvent of 1 3 6 8‐tetraphenylpyrene? I have already used DMF, Toluene, n-heptane and n-hexane, DMSO, THF, dioxan, a 1:1 combination of i-Pr2amine-THF,...
06 June 2017 6,940 1 View
I want to know why the voltage of electrode increases during electro-polymerization after each cycle?
04 April 2017 6,575 5 View
Dear All, I is greatly appreciated if someone help me to install Quantum Espresso on windows 7?
01 January 2017 1,415 9 View
as part of polarizability calculations, I received a value of about 23 * 10^-24 esu while in other report I have seen 22 (x10^-24 CM^3). I now want to know that are they similar and can I compare...
09 September 2016 644 0 View
As part of my research I do need the 3D structure (preferebly the CIF or things like that) of Chitosan polymer that represents the bond lengths, angles and torsions. I am wondering if someone can...
08 August 2016 3,660 9 View
Dear All, Is there any DFT code (license free) that I can use for the optimization of the attached structure? I have tried it by Gaussian but after passing some days, it does not finished...
08 August 2016 2,593 9 View
Dear all, I am analyzing sodium gluconate using USP monograph "http://www.pharmacopeia.cn/v29240/usp29nf24s0_m76600.html" Using the assay section I analyzed the sodium gluconate but I did not...
05 May 2016 7,128 2 View
Dear All, I am a beginner in programming using PyQquante and Python. I want to do DFT and other possible codes using these softwares. I would be grateful if someone help my in this regard?
04 April 2016 5,797 1 View
I would be happy if someone could help me find the concentration of Fe in hydrogen peroxide 35% and 50%?
11 November 2015 3,497 4 View
I would be grateful if someone help me to FIND THIS CODE?
10 October 2015 5,513 0 View
I am determining the impurities of ethanol and I have problem regarding the determination of methanol exist in ethanol as impurity. So I would be happy if someone help me to do this?
10 October 2015 7,591 4 View
Dear Chemists, I have a Sediment which is the byproduct of an industrial process, It includes some 5 to 6 precursors like ethanol, water, .... (that every of then may have some impurities with...
08 August 2015 4,255 5 View
I have commercial ethanol that I use for production of a product. As you know, this alcohol have some impurities including; aldehydes, esters, oils, Ketones, anhydride sulfur, surfurs. I'm...
08 August 2015 1,808 4 View
I have some chlorhexidine with some impurities with it like A: 1-(4-chlorophenyl)-5-[6-(3-cyanoguanidino)hexyl]-biguanide B: [[[6-[5-(4-chlorophenyl)guanidino]hexyl]-amino]iminomethyl]urea, C:...
07 July 2015 9,240 4 View
Dear All scholars, I want to simulate a 4 steps reaction over carbohydrates and anticancer drugs Gaussian, first of all, does the Gaussian have this ability to simulate this reaction and if so, i...
01 January 2015 8,421 3 View
Dear friends, I'm trying to install the amber 11 on ubuntu 14.04, during this I'm facing this error " configuring fftw-3.2.2 (may be time-consuming)..../configure: 1663: cd: can't cd to fftw-3.2.2...
12 December 2014 8,720 5 View
I want to download a free version of GROMACS and install it on my laptop, i will be greatfull if someone helps me to do it?
11 November 2014 6,018 4 View
As part of my MSc thesis I want to calculate the dynamic NMR spectra of a synthesized organic compound, the log file of the compound is attached to this question. I want to do this work using...
11 November 2014 2,255 4 View
