Questions tagged [reference-request]

This tag is for questions looking for a single specific, or a small number of (citable) references.

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28 views

Help finding a thixotropic suspension with specific properties for 3d printing

I currently doing research on 3d printing on circuit boards. The technique we are using is to put a conductive material, I.e ceramics/metal in a gel/polymer, to print the suspension and then when is ...
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1answer
69 views

Handling reactions in chemistry [closed]

Q:1 So far, after studying chemistry for two years I am unable to figure out any well-defined methodology of handling a particular reaction either in General or Organic chemistry. So I would ...
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0answers
83 views

Book for understanding synthetic techniques and apparatus(with pictures) [closed]

Is there a standard textbook to understand numerous laboratory apparatus and the assembly techniques that can be used for carrying out different processes (with pictures)? I have been cleaning my lab ...
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0answers
92 views

Advanced Quantum Chemistry Reference for Reactivity Phenomena

I'm currently in organic synthesis seeking to develop quantitative "physical" (that of a physicist), rather than "chemical", intuition for areas where traditional VSEPR/ MO models cannot fully ...
2
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0answers
190 views

Reaction of PLA plastic with methane or carbon dioxide

PLA (polylactic acid) plastic is commonly used for 3D printing, and I would like to create a 3D printed part that can be used in an experiment with methane ($\ce{CH4}$) and carbon dioxide ($\ce{CO2}$) ...
19
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1answer
360 views

What did actually happen when Staudinger tried to synthesise diamond?

It is a famous reaction that used to be a teaching lab experiment, but is now banned in Germany, because it is too dangerous. To quote-translate quite liberally from the German www.seilnacht.com: ...
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1answer
204 views

Different chemoselectivity of transition metals in catalytic hydrogenation

I am quoting my Clayden et al 2nd edition: Some catalysts are particularly selective towards certain classes of compound – for example, Pt, Rh and Ru will selectively hydrogenate aromatic ...
2
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0answers
102 views

Reference for assignment of symmetry (term symbols) of electronic states

I am looking for a textbook and/or internet resource where I can find the reference for assignment of symmetry of electronic states systematically. For example, $$ \ce{^1\Delta^{}_{g}}, \ce{^3\Sigma^{...
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2answers
65 views

Where can I find ranges of isotope abundances?

I'd like to know how much stable isotopes like $\ce{^{13}C}$, $\ce{^2H}$, $\ce{^{17}O}$ and $\ce{^{18}O}$ deviate from their natural abundances in the earth's crust among all possible compounds we may ...
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95 views

Where can I find a downloadable database of basic physical and chemical properties?

The web has many online databases of properties of compounds locked behind search interfaces, but I can't find anything you can actually download. I want a corpus of data that might allow me to, say, ...
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1answer
426 views

Where can I find (citable) FTIR spectra of CuCl and CuCl2?

I can't seem to find any published/citable infrared (FTIR) spectra in the 4000-400 cm-1 range of CuCl and CuCl2. Does anyone know of a source available, either free or paid?
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2answers
4k views

Hash and Wedge nomenclature

One of the first things learnt in organic chemistry is that wedged bonds can be thought of as bonds coming out of the plane of the paper towards you, and hashed bonds can be thought of as bonds going ...
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2answers
129 views

Solubility curve for uranium hexafluoride (in any solvent)

I am doing a project and need a solubility curve or at least solubility data for uranium hexafluoride in any substance. It is impossible for water because $\ce{UF6}$ reacts violently with $\ce{H2O}$. ...
3
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1answer
770 views

What is a topological isomer?

I'm working on a project where I have to understand the concept of topological isomer. I found a review or two containing the idea but I couldn't find a book or a detailed description of what a ...
3
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0answers
219 views

How to get the SMILES from structure without software?

Usually I use online programs and structure drawing tools to find the SMILES of a compound. How to find the SMILES without software? Where to find resources to learn it?
4
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1answer
552 views

What exactly does the “per mole” unit of heat of atomization mean?

I am facing a confusion in the definition of the standard enthalpy of atomization. The confusion arises because of the "per mole" in its units ($\pu{kJ mol^-1}$). My question: When I say "per mole", ...
24
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1answer
2k views

Theoretical basis behind orbital correlation diagram for pericyclic reactions

When discussing pericyclic reactions, the Woodward-Hoffman rules allow one to predict whether a reaction will be thermally/photochemically allowed. This has been discussed in many questions on chem.SE,...
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1answer
39 views

Does anyone have information about Piquet and Calitet (chemists)?

I was given a set of names of chemists to research and one of them was actually a duo that I understand to have been French chemists (at least their last names suggest it). I have queried and queried ...
2
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0answers
100 views

Brownian motion of colloids at high density

Colloidal particles in dilute suspensions tend to perform a universal type of Brownian motion at finite temperature, according to the Stokes Einstein relation $D\approx\frac{k_BT}{6\pi \eta r}$ in the ...
3
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0answers
5k views

Typical values of activation energies?

Where can I find typical values of the Arrhenius activation energy for arbitrary reactions? I only want to have orders of magnitude estimates, but so far I have not been able to find any good resource ...
3
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0answers
86 views

Error hunting: Guidelines on detecting error cancellation and locating their sources as much as possible?

It is known in computational chemistry, when computing e.g. electronic ground states energy and geometric paramters (bond lengths, angles, torsions etc.) of a given molecule using an ab initio or DFT ...
11
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1answer
198 views

Models for diastereoselectivity in nitronate additions

In the scheme below (taken from the referenced Chem. Eur. J. paper on the synthesis of Tamiflu), there is a step in which a nitronate anion (the anion derived from 5) is added into an electrophile 6, ...
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0answers
69 views

Reference request: review paper / overview of chemical oscillators [closed]

I know about the Belousov-Zhabotinskii reaction as an example of "chemical oscillator", e.g. a reaction that can produce repeating patterns over time as it exhausts its reagents. I also know about the ...
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0answers
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For Penicillin Binding proteins, why is the Enzyme-peptide complex less stable than an enzyme-β-lactam complex?

I'm trying to figure this out. I cannot find any publications that go into good detail about the chemistry of PBP inhibition by β-lactam antibiotics. PBPs cross-link adjacent pentapeptides to form ...
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0answers
66 views

What are some notable results from the field of mathematical chemistry?

I recently found that there is actually a small field of research called mathematical chemistry. It seems that a lot of the research done in this field focuses on graph-theory as applied to chemistry, ...
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0answers
166 views

How far has “self-organizing chemistry” gone? [closed]

This is my first question here so, please, bear with me if I go out of the style or the scope of the SE section. I think I am quite new here, so I am prone to make mistakes. I am a molecular ...
7
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1answer
244 views

Quantum mechanical (or QFT) description of mesomeric effect

This is rather a question about finding the right literature, since the answer would probably exceed a typical forum post. In organic reactions, mesomeric and inductive effects are of tremendous ...
3
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1answer
320 views

Books on Chemical Reaction Theory [duplicate]

I got interested in Chemical Reaction Theory by studying the lecture notes of Feinberg and related papers for my bachelor thesis and want to dive deeper into that subject. Are there any books you ...
9
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1answer
1k views

How to perform molecular dynamics simulations of charged systems?

The GROMACS official documentation (see here) states that a system with non-zero total charge will yield an error: System has non-zero total charge Notifies you that counter-ions may be required for ...
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1answer
4k views

Which metals hydroxides dissolve in excess NH4OH?

Some metal hydroxides like $\ce{Ag(OH)}$ and $\ce{Cu(OH)2}$ dissolve in excess $\ce{NH4OH}$ to form metal ammonia complexes. I want to know which other common metal hydroxides dissolve in excess $\ce{...
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3answers
1k views

List of functional groups in a molecule

Does anyone know if there's a tool for listing the functional groups present in a molecule?
12
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1answer
155 views

Newer ionic radii data than Shannon's 1976 compilation?

Shannon, R. D., 1976, Revised effective ionic radii and systematic studies of interatomic distances in halides and chalcogenides: Acta Crystallographica Section A, v. 32, p. 751–767. DOI: 10.1107/...
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18 views

What is a good undergraduate bioorganic chemistry book? [duplicate]

What is a good undergraduate bioorganic chemistry book? I would like one of these as I'm tired of non-university books on the subject.
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0answers
152 views

How/where can I find a reliable atomic radii table?

I am currently working on a periodic table to include it in a experimental chemistry book and I would like to include non-bonded atomic radii data so it would be easier for the students to learn about ...
2
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1answer
53 views

Good sources to understand Stat Mech with concepts

I never had a proper course on Statistical Mechanics during my undergrad. I've tried picking up the subject by reading books, but I find that many focus on the mathematical derivations and I get ...
2
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1answer
844 views

Rates of Keto-Enol Tautomerism

Are there any databases with rate constants for keto-enol tautomerism in small molecules? I'm looking for rate constants if possible.
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2answers
2k views

Which is the currently accepted mechanism of a Wittig reaction?

The Wittig reaction is one of the most significant advances in synthetic organic chemistry in the 20th century and rightfully won its discoverer, Georg Wittig, the Nobel Prize in Chemistry. A Wittig ...
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3answers
2k views

Modern open-source tools for simulation of NMR spectra

I am interested in predicting the NMR spectrum of small organic compounds. It doesn't matter to me if the prediction is very accurate. I'll eventually be comparing the prediction to experimental ...
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1answer
185 views

References for studying Winkler's method and CO2 estimation by APHA method

What are the best sources to study and understand Process (reactions involved) Calculation of Winkler's method and APHA method for CO2 estimation?
0
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1answer
330 views

Water and Ethanol Vapor Phase diagram for specific range

I am looking for a Vapor Phase diagram for Water and Ethanol where Ethanol would be from 0 to 5%. The diagrams I have found are for Ethanol concentrations of 0% to 100% and this doesn't allow me ...
3
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0answers
130 views

Material that acts as a “sponge” for sulfuric acid?

I would like help with a materials problem I am looking into that pertains to a product I would like to develop. What I seek is some kind of substrate that acts like blotter paper does. Ideally, the ...
20
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1answer
535 views

What are modern approaches to describe and/or quantify aromaticity?

I know that Schleyer described an approach for evaluating aromaticity using nucleus-independent chemical shifts (NICS, see e.g. Chem. Rev. 2005, 105 (10), 3842–3888) quite some time back. I also ...
5
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1answer
5k views

Bond angles of OCl2 and OBr2

I have looked around and most of the sites suggest that bond angle of $\ce{OBr2}$ is greater than $\ce{OCl2}$ and it is explained by stating the electronegativity difference and looking at electron ...
14
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2answers
454 views

Serious introduction to the chemistry of explosives recommendation

I'm looking for a serious introduction to the chemistry (and perhaps to a lesser extend the physics) of explosives. Presupposition of basic university courses in Organic Chemistry and Thermodynamics ...
3
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0answers
141 views

Understanding mzML, specifically precursor mass

I'm a Biotechnologist and computer scientist, migrating into the field of Mass Spec. for my new position. Some things I know well, and others not at all. Please be patient :) I'm working with OpenMS, ...
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1answer
103 views

Where to find a look-up table for mechanical properties of thermoplastics?

Does anybody know of a good compilation, regarding mechanical properties of thermoplastics or in general polymers?
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1answer
65 views

Which resources teach spectrum analysis of NMR and IR spectra? [duplicate]

I’m looking for a textbook that can teach me NMR and IR spectrum reading and analysis. I really don't understand how to read the spectra or how to analyse them.
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1answer
705 views

Energy levels database

Does anybody know where to find a database for atomic and molecular energy levels, with the corresponding energy values for each level? It would be needed just for small molecules. I tried the NIST ...
18
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0answers
337 views

f-electrons in chemistry of heavy transition metals

In one lecture on recent MCR-X conference I was puzzled by a side-note "f-hole is critical to describe DoS of $\ce{IrO2}$ correctly." The context was DFT periodic plane-wave calculations with ...
2
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4answers
755 views

Could anyone suggest some catchy chemistry experiments or demonstrations, to be performed in front of a young audience?

I'm wanting to volunteer at some of our local children centers, and do some experiments to interest them in Science/Chemistry. One cool, flashy experiment is to light my hand on fire - and not have to ...

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