42:
1339:
1415:
1207:. This enables images to be used in other Knowledge languages and other Wikimedia projects and makes updating images much easier, it also saves someone else having to move the structure to Commons later. It is also simpler to find images in the Commons category structure compared to Knowledge. To upload images to the Commons, you must be a registered user there. Due to the
441:. Other previous versions were called Accelrys Draw and SymyxDraw. The program can read and write many file formats, other than its proprietary sketch file format (.skc) and can export PNG files. If SVG files are required, it is recommended that structure diagrams be exported as enhanced metafiles (.emf) which can be read by Inkscape and other image editors..
1272:{{Information | Description= {{en|Chemical structure of ]}} | Source= {{Own}} | Date= 2024-09-21 | Author= ~~~ | Permission= {{PD-chem}} | other_versions= }} == Comments == High-resolution black/white .PNG made with ] and ] — see ] for detailed instructions. Please drop me a note if you need the source file. ]
931:
is an easy to handle 3D-model generator of molecules, with the objective to execute the structural determination within a particular low time investment. This advantage is bought by a divergence from the ideal geometry. For instance, the program works with presets. To which extent these divergences
606:
The configuration is extremely limited and post-processing is likely required. The only useful thing in "Format → Drawing settings..." is "Double bond spacing", which should be set to 18% of bond length, i.e. 5 pixels (integers only!) for the default 25-pixel bonds. Actual pixel sizes don't matter
1178:
file (.eps) - many of the Apple print drivers (an Apple printer is not required) that print to a PostScript printer can be set to EPS in the print dialog options, thus printing to a file generates an suitable EPS file (HP printers with PS in the name e.g. "HP LaserJet 2300 Series PS" also work -
337:
is not advised as it can cause accessibility problems on a white background. Within a given article, diagrams should be consistent, which means in most cases they should use black and white except as highlighting to emphasize a particular point in specific diagrams. In all cases the advice at
405:
to search these large databases by structure or substructure. The program can read and write in many file formats including export of PNG files. If SVG files are required, it is recommended that structure diagrams be exported as enhanced metafiles (.emf) which can be read by
932:
are tolerable depends on the individual case and on quality demands. CORINA is not “foolproof”. Pseudochirality centers may turn out as pitfalls (e.g. amines that are chiral in protonated form). These specifics are to be considered in the
1280:{{Information | Description= {{en|Chemical structure of ]}} | Source= {{Own}} | Date= 2024-09-21 | Author= ~~~ | Permission= {{PD-chem}} | other_versions= }} == Comments == CD-SVG file made with ] — see ] for detailed instructions. ]
944:
Most molecule editors cannot produce .PNG images directly with the requirements outlined above. The image processing step also allows a canvas (margin) to be added (this is usually absent from the molecule editor output).
1094:
There tends to be an unreasonably large margin left around the diagram's extents, so it is often a good idea to crop the image in a vector program such as
Inkscape before uploading it. Leave a small margin of 1.6 pt.
1234:
This image of a simple structural formula is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship
366:
SVG images are desirable because they are infinitely scalable, while remaining compact. However, support for SVG images among common molecule editors is limited, and may not be rendered correctly on
Knowledge.
1012:
to make the background transparent. Another option is to open the file with
Inkscape, right-click on the structure and select "Ungroup", then click anywhere on the white background and hit delete, then save
1531:
1174:
Draw the structure in your molecule editor (ideally change the settings to give a molecule twice the size as the JACS standard or change the size to 200% before next step), and save it as an
359:
format. PNG images should be around 600–720 dpi. A transparent background should be used. Images should still be readable when scaled down to 450 pixels to prevent conflicts with the
182:
27:
959:(2007) cannot save black and white TIFF images. Therefore, save as a 1200 dpi greyscale TIFF image and decrease the color depth to 2 bit (black and white) during image processing.
467:
If you drew the structure before applying any settings, then you need to select the object, open the “Object” menu and choose “Apply document settings from → ACS Document 1996”.
951:
Save as: TIFF black/white bitmap with a resolution of 720 dpi (small molecules) to 240 dpi (large molecules) (in ChemDraw under the
Options button in the Save as TIFF dialog).
1438:
1367:
984:
files are preferred, because they are smaller in filesize, can generate high quality images for printing and are easier to translate if text is added to mechanism.
320:
For articles on racemates, the stereochemistry should be depicted as undefined (straight and not wavy nor wedged bonds attached to the stereogenic center).
157:
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NB:SymyxDraw will usually add a full page rectangle to the drawing - ungroup, select rectangle and delete, then select all and re-group structure.
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Alternative (but little more complex) way to generate high quality and small size SVG files. One needs to download and install both
Scribus and
1526:
1236:. Images released under “non-commercial use only” licences are not accepted and will be deleted without warning, as will images without a tag.
152:
1521:
1456:
967:
Add canvas of about 5% to each side (test it, usually around 30 pixels) (Photoshop: Image:Canvas Size, relative, 10% width, 10% height)
295:
The use of explicit methyl groups in the following cases is a stylistic choice, and both forms are generally acceptable on
Knowledge:
50:
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167:
142:
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Open the PostScript file in
Scribus. Note the image size and set the paper size to about 10px larger than the largest dimension.
1427:
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1498:. A guide to drawing chemical structures. Covers topics such as the use of wedged and wavy bonds, bond angles, and perspective.
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222:
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Scanned images tend to be of poor quality. Scanned images of books or journals may violate copyright. Do not upload them.
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settings should be used for both structures and reaction schemes. These settings are normally available as templates in
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It is not necessary to color-code atoms according to element in structure drawings but if done the conventions of the
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This page provides additional information about concepts in the page(s) it supplements. This page is not one of
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These guidelines are necessarily quite technical, and are intended for editors with some experience of drawing
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Also recommended: For minus symbols on atoms, change the font for the minus symbol to “Symbol” for clarity.
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If labels for structures are desired, consider the use of bolded numerals, which are language-neutral.
1452:
1398:
244:
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17:
647:) to get configuration according to Knowledge's Manual of Style. It should work on any system with
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981:
98:
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292:). The use of “Et”, “Pr”, etc., is discouraged. By default, “Ph” denotes phenyl and “X” halogen.
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105:
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Resize the picture about 400%, then click to File→Document
Properties→Fit page to selection.
91:
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Browse to your file and select it. Optionally, change the final image name in the box below
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1148:
1098:
1245:. Please complete the form and one or more specific categories (normally subcategories of
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8:
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Do not select a licensing from the upload form — the tags are already in the pasted text
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Do not include
English text in images: this prevents their reuse in other languages.
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Replace the “...” with the
Knowledge article name and your username, respectively
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There is a free, open source program called WinDrawChem (the Windows version of
461:
From the “File” menu, choose “Apply document settings from → ACS Document 1996”.
438:
221:
and reaction schemes. For a less technical overview of the issues involved, see
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Draw the structure in your molecule editor, and save it as a Windows Metafile (
390:
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Save as a PNG black/white bitmap (color depth: 2) with transparent background.
923:
394:
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Change your structure to the most specific subcategory (or subcategories) of
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1008:
ChemDraw exports svgs with a white background. You may use the vbs script at
640:
397:. It has comprehensive chemical drawing features and can directly connect to
288:”). This is to avoid confusion with “Me”, the German abbreviation for metal (
936:
code, i.e. the correct relative energy minimum is to be manually assured.
310:
324:
233:
Chemical structures and reaction schemes should conform to the following:
1167:
414:
From the "Options" menu, choose "Set Structure Drawing Style" → ACS Style
298:
methyl groups attached to a ring or as branches in a longer carbon chain;
632:
402:
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475:
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284:”, not “Me”, unless they are bound to a heteroatom (for example, “NMe
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scheme should be used. Note, however, that the use of yellow () for
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is freeware available for personal, home, and educational use from
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Select the molecule and click Path→Object to path. (to workaround
470:
Then save it as a PNG file, to be read by an image editor such as
1160:
398:
1532:
Knowledge essays and information pages about the Manual of Style
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Change the filename extension to “.svg” or choose the file type
451:
Export the file as PNG or EMF for further processing (see below)
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and freely available for academic and non-commercial users from
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Export the file as PNG or EMF for further processing (see below)
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The following two changes in font may be performed by going to
334:
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Choose Scalable Vector Graphics (*.svg) as the save as format.
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From the "Options" menu, choose "Load Settings" → ACS document
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should be included if available (e.g. by using wedged bonds).
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C:\Documents and Settings\{username}\application data\bkchem
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Explanatory essay about Knowledge:Manual of Style/Chemistry
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ideal for Windows 7 where Apple drivers are hard to find)
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Graphical Representation of Stereochemical Configuration
228:
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converter and you should end up with a very light SVG.
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Indexes used for labelling must be superscripted: R-CH
1311:
The following templates can be used on Knowledge and
623:). You can save the following configuration files to
1502:
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Carbon labels: Never (which may be done by going to
1421:
The quality of this chemical structure is disputed.
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supports this, as does ChemSketch and BIOVIA Draw (
568:Whereas this last one may be performed by going to
464:
Draw the structure, and save it as a ChemDraw file.
429:BIOVIA Draw is the current version of the original
1220:uploaded images must have a correct copyright tag:
550:The following three may be performed by going to
28:Knowledge:WikiProject Chemistry/Structure drawing
1508:
1211:, you might already have an account on Commons (
603:users should follow the XDrawChem article link.
579:Stereocenter display may be enabled by choosing
575:Down wedge orientation: Points Upward (Daylight)
513:Bond angles and length: “fixed” is recommended
1154:Click File→Save as to save file as Plain SVG.
1066:Scalable Vector Graphics / SVG (*.svg *.svgz)
674:"http://www.freesoftware.fsf.org/bkchem/cdml"
964:Image processing (Photoshop or Irfan view):
615:There is a free, open source program called
607:considering we will be doing an SVG report.
1437:Please discuss the issue on this diagram's
1366:Please discuss the issue on this diagram's
1315:to mark wrong or poor chemical structures:
1287:The date is already set to the current date
637:C:\Users\{username}\application data\bkchem
301:methyl groups at the end of a carbon chain.
1457:Category:Chemical structure quality issues
1036:Upload the resulting PDF to the Texterity
1027:Draw the structure in ChemDraw 12 or later
997:Draw the structure in ChemDraw 12 or later
1263:Paste this text to the summary template:
280:Methyl groups should be denoted with “CH
1190:Go to File → Export → Save page as SVG.
14:
1509:
448:Draw the structure or reaction diagram
417:Draw the structure or reaction diagram
1527:Knowledge Manual of Style (chemistry)
1476:Knowledge:Preparing images for upload
1344:This chemical structure or diagram's
223:Knowledge:Molecular structure diagram
1409:
1333:
1010:User:Smallman12q/Scripts/Transperify
378:ACS templates are available in most
36:
1386:Category:Disputed chemical diagrams
1170:to archieve EPS to SVG conversion.
55:Knowledge:Manual of Style/Chemistry
34:
587:Drawing with WinDrawChem/XDrawChem
374:Suggested molecule editor settings
67:thoroughly vetted by the community
63:Knowledge's policies or guidelines
35:
1543:
1522:Chemical structure quality issues
1481:User:Benjah-bmm27/MakingMolecules
1446:Knowledge structure drawing guide
1375:Knowledge structure drawing guide
564:Circled charge labels font: Arial
482:The ACS settings are as follows:
1413:
1337:
1141:Open the saved file in Inkscape.
1043:Alternative free SVG converter:
1033:Choose PDF as the save as format
40:
1260:(you may want to bookmark this)
1134:), or Encapsulated Postscript (
1122:is preferable for the latter).
1106:This method works only if your
581:View → Stereo → R/S Labels: All
504:Hash spacing: 0.088 cm (2.5 pt)
501:Margin width: 0.056 cm (1.6 pt)
492:Bond length: 0.508 cm (14.4 pt)
561:Wireframe bond thickness: 0.06
541:Edit → Preferences → Structure
237:Images should be drawn with a
13:
1:
1317:
817:<?xml version="1.0"Â ?: -->
659:<?xml version="1.0"Â ?: -->
595:) that appears to work well.
498:Line width: 0.021 cm (0.6 pt)
351:Images should be uploaded in
1517:Knowledge supplemental pages
1205:not to the English Knowledge
552:Edit → Preferences → Display
7:
1404:{{Low quality chem|reason}}
1399:{{Low quality chem|reason}}
1301:Category:Chemical compounds
1247:Category:Chemical compounds
1242:this pre-filled upload form
1110:is able to export files in
495:Bold width: 0.071 cm (2 pt)
489:Bond spacing: 18% of length
219:chemical structure diagrams
10:
1548:
1496:IUPAC Recommendations 2006
1239:The easiest way is to use
570:Edit → Preferences → Bonds
74:
1453:Template:Low quality chem
1232:- this will add the text
957:ChemDraw / ChemBioDraw 11
558:Double bond spacing: 0.18
546:View → Colors: Monochrome
410:and other image editors.
386:Drawing in ACD/Chemsketch
380:chemical drawing programs
249:chemical drawing programs
18:Knowledge:Manual of Style
1328:{{Disputed chem|reason}}
1323:{{Disputed chem|reason}}
1199:Please upload images to
1086:box and, finally, click
894:</use_real_minus: -->
814:
696:</author_program: -->
656:
510:Atom labels: Arial 10 pt
486:Chain angle: 120 degrees
478:(see below for details).
346:Technical considerations
1195:Uploading and copyright
1176:Encapsulated PostScript
521:Drawing in MarvinSketch
1130:), Enhanced Metafile (
1059:File → Export to Image
913:</bkchem-prefs: -->
878:</recent-file2: -->
865:</recent-file1: -->
433:program, now owned by
425:Drawing in Biovia Draw
1114:format. For example,
910:</default-dir: -->
820:<bkchem-prefs: -->
527:File → Document Style
507:Captions: Arial 10 pt
106:MOS:Structure drawing
1346:factual accuracy is
1252:Alternative method:
1149:commons:librsvg bugs
1045:Online SVG converter
1030:Go to File → Save As
1000:Go to File → Save As
977:Generating SVG files
940:Generating PNG files
342:should be followed.
456:Drawing in ChemDraw
65:as it has not been
1052:Using MarvinSketch
881:<use_real_minus
852:</geometry: -->
804:</standard: -->
747:paper_orientation=
735:paper_crop_margin=
683:<author_program
309:Information about
99:WP:Chem/Structures
92:MOS:CHEM/Structure
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1209:single user login
1201:Wikimedia Commons
1084:Use Alpha Channel
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611:Drawing in BKChem
435:Dassault Systèmes
401:, eMolecules and
255:fonts like Arial.
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173:Structure drawing
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51:explanatory essay
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