Questions tagged [chemistry]
{chemistry} is about typesetting chemical content.
427
questions
3
votes
1
answer
96
views
Is there a difference between $\ce{}$ and \ce{}?
So with the mhchem package, I am able to write chemical equations conviniently. However, I am confused on whether \ce{} with dollar signs or without them are equivalent. The guides I've read told me ...
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3
votes
2
answers
166
views
Adjustments to the Fe2(CO)9 structure design with Chemfig
I'm trying to draw the structure of Fe2(CO)9 using chemfig, but I'm not getting the bridging ligands of the structure quite right.
\documenteclass[]{article}
\usepackage{chemfig}
\begin{document}
\...
- 43
4
votes
2
answers
341
views
Is it possible to center chemical equations by the arrow?
I created this reaction equation with:
\documentclass[paper=a4, fontsize=11pt, toc=flat]{scrartcl}
\usepackage[a4paper,left=3cm,right=2cm,top=3cm,bottom=3cm]{geometry}
\usepackage[ngerman]{babel}
\...
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-2
votes
2
answers
153
views
Suggest improvements to the following code (left align equations, use sans serif for variables in mathmode)
\documentclass[fleqn]{article}
\usepackage{mathtools}
\usepackage[extreme]{savetrees}
\usepackage{cancel}
\thispagestyle{empty}
\renewcommand{\familydefault}{\sfdefault}
\date{}
\def\eq{\ =\ }
\def\...
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4
votes
2
answers
69
views
Can I specify the electron's position in the atom model for the bohr package?
I am preparing a presentation on Lewis dot structures. The package bohr is really good to make diagrams that help in visualizing the ionic and covalent bond.
For the ionic bond I am quite happy with ...
1
vote
1
answer
65
views
How to make chemfig and xymtex chemical reaction equation look better?
I am trying to make my assignments look better. Here is the code and the current output:
\documentclass{article}
\usepackage[version=4,layout=stacked]{mhchem}
\usepackage{graphicx}
\usepackage{chemfig}...
- 61
2
votes
2
answers
60
views
Lewis structure with chemfig inside chemformula inside align?
Hi.
I am creating a beamer presentation on Lewis dot structures.
I got most of my code from this question (Draw Lewis structures like a book)... But then I got stuck with BH3...(3rd reaction). I am ...
0
votes
1
answer
42
views
Creating own environment for writing partial oxidation and reduction reactions [closed]
I was wondering if it is posssible to write my own environment for writing redox equations in form of:
O: ...
R: ...
___________________________
S: ...
O stands for oxidation, R for reduction and S ...
- 41
1
vote
0
answers
47
views
How to redraw arrow diagrams from Word
I want to start usingLaTeX and to test the possibilities, I decided to redo some of my old work., I don’t know how to transfer some elements to LaTeX, though.
Whenever there are such arrow diagrams (...
4
votes
3
answers
130
views
What to do to align text with chemfig molecules?
I'd like the letters to be in the middle of structures. I know that the letters are in the place where the code of each structures begins, but I have no idea how to change it, without changing the ...
1
vote
2
answers
44
views
I have a problem with arrows' tips in chemfig
Arrows' tips aren't in the accurate place, they are slightly shifted to the left. Does anyone have an idea how to fix it so that they could be in the middle?
\documentclass{article}
\...
0
votes
1
answer
47
views
Completing the diagram using chemfig
I intend to draw the chemistry of the reaction as depicted below using chemfig. Here is what I have done studying examples:
\documentclass{article}
\usepackage{graphicx}
\usepackage{chemfig}
\begin{...
- 31
0
votes
2
answers
59
views
misplaced group in chemfig with coloured atom and charge
I want to colour only the hydrogen atoms in a cyclic molecule using the Chemfig environment. The atoms are placed over a nitrogen atom, with a positive charge.
But when y draw the molecule, the group &...
-3
votes
1
answer
110
views
4
votes
2
answers
254
views
How can I put a withdrawing or donating group in an aromatic ring in chemfig?
I need to put an undetermined electron withdrawing or donating group in an organic molecule (an aromatic ring), using arrows instead of lines as bonds, but with the barbs just in the middle.
This is ...
0
votes
0
answers
49
views
Problems with Overleaf?
I encountered an interesting problem where the following code executes well using Texstudio:
% Preamble
\documentclass[11pt]{article}
% Packages
\usepackage{graphicx, auto-pst-pdf}
\usepackage{...
2
votes
1
answer
53
views
XyMTeX \lonepair causing errors
I am having increasing success with XyMTeX - but keep running into the same problem with specifying lone pair locations using either \lonepairA or \lonepairB.
When ever I add optional locations for ...
- 131
0
votes
0
answers
32
views
XyMTeX ChemEquation alignment
I am trying to figure out how / why structures are aligned in XyMTeX - it's doing my head in.
Why does this code generate this?
\documentclass{article}
\usepackage{xymtexpdf}
\usepackage{xcolor}
\...
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5
votes
1
answer
256
views
Is XyMTeX still working for people?
I am trying to use XyMTeX for typesetting a variety of chemical reactions and keep getting errors, namely with
\ChemEquation
\LewisSbond
\LewistetrahedralA or B
electron shift arrows and
Reaction ...
- 131
2
votes
1
answer
105
views
Two oxidation numbers above one element
I'm new to LaTeX and I have a problem.
My code right now is:
\documentclass[11pt,a4paper]{scrartcl}
\usepackage[singlelinecheck=false]{caption}
\usepackage{times}
\usepackage{tabularx}
\newcolumntype{...
- 25
2
votes
2
answers
59
views
Chemfig Scheme: wrong alignement of a reaction
I'm trying to use chemfig to put a reaction in my document, but the diferent molecules are missaligned. How I coul fix it?
This is my code:
\documentclass{article}
\usepackage{chemfig}
\usepackage{...
1
vote
1
answer
43
views
Signs outside brackets in the chemfig environment
I'm using chemfig environment inside Latex and I have a big molecule inside brackets.
I need to put a plus sign outside the brackets.
\chemleft( \chemfig{*6(---=--)} \chemright) (The plus sign must be ...
1
vote
0
answers
29
views
Mixing chemistry reaction and mathematics in equation
I would like to type a list of chemical reactions with their associated reaction constants, pH limits and redox potentials. The reaction would be on the left, with the reaction starting at the left ...
2
votes
2
answers
136
views
How to draw arrows for organic mechanism
How can I draw the arrows for organic mechanism as in the attached pictures?
An edited MWE from the answer below:
\documentclass[a4paper, 10pt]{article}
\usepackage[T1]{fontenc}
\usepackage[utf8]{...
0
votes
1
answer
67
views
Chemical equation with multiple arrows in multiple directions
I need to draw chemical equations with multiple arrows pointing out or in from a single "node". I tried rigging the curved arrow example given in the texdoc help for chemfig package.
The ...
- 917
1
vote
1
answer
69
views
How to move a chemfig figure up or down
I want to centralize this equation:
\documentclass{article}
\usepackage{chemfig}
\begin{document}
% Tartaric acid code \chemfig{HO-[1](=[7]O)(-[2](-[3]OH)-[1](-[7]OH)(-[2](=[1]O)(-[3]OH)))}
$$...
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0
votes
1
answer
66
views
Chemical Formulae in fraction
I was trying to write an equation for equilibrium constant K, but I cannot put Fe(SCN)^2 in the fraction for some reasons. This is what my code was.
K=\frac{\ce{[Fe(SCN)^2+]}}{\ce{[Fe^3+][SCN^-]}}
- 1
1
vote
1
answer
85
views
How to make a letter appear in italics while within \ce?
I'm trying to type the following equation:
In LaTeX, I can recreate this as follows:
\ce{Rate = k[A]^m[B]^n ...}
Which comes out as
But I would like for the k to be in italics, similar to how it ...
- 239
1
vote
1
answer
80
views
Layout chemfig/schemestart
for a report I'm currently writing I wanted to include some chemical reactions. Most of them are fairly easy to put into LaTeX but I'm having some trouble with the more complex reactions. A picture is ...
- 19
2
votes
0
answers
71
views
chemnum: compound referencing in scheme not possible using EPSF-3.0
Using the chemscheme and chemnum packages, I would like to number compounds in a chemical scheme as described in: https://www.overleaf.com/latex/templates/automatically-numbering-compounds-in-chemical-...
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0
votes
2
answers
76
views
Represent a square of reactions with their reaction rates
I would love to be able to represent a network of reactions in a square like so (pardon the scribbling)
note: I don't care about the squares around the nodes of the reaction, I can live without those....
- 103
0
votes
1
answer
106
views
Lewis structure with double bond
To determine the lewis structure of molecules, I used the method proposed here. But I am blocked for certain molecules such as dioxygen:
How can I place double bonds and doublets on each atom?
\...
- 1,023
2
votes
3
answers
163
views
How can I rotate a pentagon in chemfig?
I want to draw the following molecule (see figure below), but I don't know how to rotate the above pentagon:
Here's my attempt to do draw it:
\documentclass[12pt, a4paper]{article}
\usepackage{...
2
votes
3
answers
110
views
How to write a chemical reaction with tabs in formula LaTeX
I would like to produce this formula in LaTeX. I have tried the following, but I don't know how to centre the first equation (reaction) and to move the parenthesis part le right side of the page. Can ...
2
votes
2
answers
107
views
Problem with chemfig :
I need to draw the following scheme of equilibrium state of Fluorescein
Using chemfig package, and here's my code for that:
\documentclass[12pt, a4paper]{article}
\usepackage{chemfig}
\begin{document}...
0
votes
0
answers
36
views
latex chemistry TMP not labeling
I have tried using the following method as John Doe said, but unfortunately it is does not working.
CODE
\documentclass[12pt]{report}
\usepackage[T1]{fontenc}
\usepackage[runs=2]{auto-pst-pdf}
\...
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0
votes
2
answers
124
views
Organic chemistry formulas [closed]
I try to put this formula to LaTex:
but this code is not the best descicion for this problem:
{\left[{(-CF_2-CF_2-)}_n-CF_2-CF-\right]}_x
\\\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;...
- 17
1
vote
1
answer
43
views
`chemname` alignment issues
The following code…
\documentclass[border=2mm]{standalone}
\usepackage{chemfig}
\usepackage{chemformula}
\begin{document}
\schemestart
\chemname{\chemfig{Ca^{2+}}}{Calcium ion}
\+
\chemname{\...
- 267
3
votes
2
answers
104
views
Fitting oxidation numbers above elements without overlapping
I want to make oxidation numbers above an element but the numbers keep overlapping in my case. I am searching for a practical solution. Maybe it would help if I managed to make the operator (- and +) ...
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0
votes
2
answers
123
views
How can I write these chemical reactions with structures?
For my bachelor thesis, I want to show these reactions but I have no clue how I can put them nicely in LaTex.
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1
vote
0
answers
24
views
Labeling and refrencing chemistry equations with oxidation
Im working with some chemistry where oxidation numbers are displayed in reactions
im having a hard time getting the reactions labeled with a number i can then refrence later
I'm using chemmacros and ...
- 11
0
votes
2
answers
68
views
How would i draw a carboxylate ion with the "chemfig" package?
I'm unsure how to draw the dotted lines, any help would be greatly appreciated.
- 1
1
vote
3
answers
120
views
How do you write the names under the chemicals?
I am fairly new to the mhchem environment. I want to write and equation such as in the figure. I can write the equation with no issues, I am just not sure how to add the names such as 'acid' or '...
3
votes
1
answer
42
views
Aligning chemical + and arrow with vline of tabular
I would like to reproduce this figure:
So far, I have managed to come up with this code:
\documentclass{article}
\usepackage[utf8x]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[french]{babel}
\...
- 85
4
votes
1
answer
239
views
Drawing Bohr style elements
I am trying to produce Bohr style diagrams of the elements. I have tried to use the Bohr package but although this produces something almost what I want, but does not show the orbit shapes or the ...
- 681
0
votes
0
answers
43
views
List comma-separated chemical formula within the sentence
NiCl2, NaPO_2H2, C4H4Na2O4, and HF. I have to list these chemicals within a sentence. But when I tried to put superscript and subscript, the remaining sentence and the whole paragraph are changing ...
- 1
0
votes
0
answers
129
views
Chemical drawing software with latex script export
I have a query
Any chemical drawing software is available that is able to export the structures or reactions to latex script, and then compiled by a latex editor
Thanks in advance
2
votes
1
answer
94
views
I want to improve periodic table, which I found on the internet
I want to improve this periodic table -- I want to add electronegativity. I can fill in these in code, but I don't know how to add this is \ElemLabel.
\documentclass[tikz,border=5mm]{standalone}
\...
0
votes
2
answers
180
views
Random generator for exam class in Physics or Chemistry
I would like to create a exam class such as:
I could include random generator of both numbers and units for conversion factors in physics and chemistry. In particular, what I wish is a pseudorandom ...
- 281
0
votes
2
answers
110
views
How do I align a set of chemical formulae
Here's the image I want to recreate -
Here's my attempt at recreating it -
\documentclass{12pt}{book}
\usepackage{amsmath, amssymb}
\usepackage{mhchem}
\usepackage{graphicx}
\usepackage{tikz}
\begin{...
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