If solvent is not cordinated with molecule ,still is there in crystal struc. , that time we have to include solvent mass for other charecterization?

CHN analysis , Mass , UV and CV .

07 August 2018 5,832 0 View

How to isolate my desired product(metal complex) from the unreacted starting material (schiff base), if both have the same solubility?

column chromatography is not possible here because of chance of degradation through hydrolysis and washing also not possible because of same solubility.how can i isolate them and to get my desired...

06 July 2017 6,679 9 View

I have these two variable T magnetic susceptibility graph, in both of them around 50 K ,one hump is coming , can u please explain the reason ?

Please find the file attached.

01 February 2017 7,860 5 View

How the nature of the sample(Solid or liquid) affect the ESR spectra. i have this doubt . please explain me ?

i just gone through this article , see the attachment

31 December 2016 5,365 0 View

How to isolate ligand from the metal complex?

i have prepared one manganese complex from N,N-bis(picolinyldene) hydrazine and 2-pyridinealdimine. in the absence of Mn(II) they do not react to yield the ligand. for more information i attached...

07 August 2016 5,682 4 View

Is sonication essential in solubility testing of a substance?

at the time of submitting samples for NMR or HRMS, we should confirm the solubility of compounds. Sometimes a compound is soluble in just adding the solvent and sometimes using sonication, it...

07 August 2016 4,225 3 View

How to calculate the balance calibration constant for magnetic susceptibility balance ?

07 August 2016 4,265 3 View

How to synthesize metal free macro cyclic Schiff base ligands ?

07 August 2016 8,907 4 View

Does anyone know about the synthetic procedure for 2,6-Diformyl-4-methylthiophenol ?

Dear Sir/Madam, Does anyone know about the synthetic procedure for 2,6-Diformyl-4-methylthiophenol ? I have gone through a no of literature to find the synthetic procedure to prepare this compound...

07 August 2016 344 6 View

Can we do column chromatography for the purification of metal complexs ?

06 July 2016 1,282 8 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View