I'm looking for N-substition reactions of carbazole, does anyone have any tips for these in order to get efficent yield and simple synthesis protocol?

I want to synthesize N-phenyl Carbazole

31 December 2017 6,880 6 View

Solvent-accissable void volume?

How can I calculate void space volume using palton?

31 December 2015 7,590 0 View

On the basis of the 1H NMR spectrum, how to estimate that he quantity of absorbed solvent?

09 October 2015 5,069 0 View

What are other causes of red shift in fluorescence spectra of chromophore apart from pi-pi stacking?

My sample contains anthracene derivative with a solvent means solvate, I have done SXRD there is no such pi--pi stacking but it showed red shift don't know how to explain. if someone have...

05 June 2015 502 7 View

What is structure factor or Rietveld data file in CIF format?

I want to submit paper to one of willey journal, I successfully upload Cif then the system asked me to upload structure factor or Rietveld data file in CIF format. I don't know that. Need help

05 June 2015 3,071 0 View

How to dissolve?

I crystallize my compound from methanol one year before now I want to dissolve it in the same solvent it didn't work out . Any suggestion please on how to dissolve it again

04 May 2015 5,017 0 View

Can someone suggest a book about basics of crystallography?

Can someone suggest me or share here book about basics of crystallography. I don't have major in crystallography.

03 April 2015 4,470 10 View

Can anyone help me how to describe the SEM image?

I have done SEM analysis for my crystal, don't know how to describe it and which image should I put in paper. Thanks

03 April 2015 4,134 5 View

Why the fluorophore has a larger dipole moment in the excited state?

Can anyone tell me

01 February 2015 426 4 View

How to calculate void space volume of unit cell using Platon?

Does anyone knows

01 February 2015 7,682 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

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

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View