User talk:Jynto

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Welcome to Wikimedia Commons, Ephemeronium!
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Commons:WikiProject Chemistry[edit]

Hi Ephemeronium. You might be interested in this WikiProject. --Leyo 15:41, 1 December 2009 (UTC)

Thank you for your valuable categorization work here on Commons!
What about adding a babel box to your user page? Like that people would know in which language they can contact you on your talk page. I just assumed that English would be fine. --Leyo 15:59, 17 April 2010 (UTC)

Yeah, good idea. I've been meaning to create a user page for ages. I might get round to it in the next week or so. Ephemeronium (talk) 16:16, 17 April 2010 (UTC)
If you put there more than just a babel box, that's also fine of course. :-) --Leyo 16:24, 17 April 2010 (UTC)

[edit]

The Wiktionary logo vote first round is almost over, and it looks like none of your logos are going to make it to the second round. The bookglobe logo has a lot of support from the Wiktionary community, and the Wikisaurus sub-project has no logo or main page at the moment, so recently I've been working on some style changes to Wikisaurus, which I intend to propose to the Wiktionary community in about a week or so. These include making the bookglobe logo the logo for Wikisaurus (Wikisaurus previously had a logo which was supposed to be temporary, which no one liked, and was removed from all Wikisaurus pages a while ago), making this the main page for Wikisaurus (feel free to edit it), changing the standard Wikisaurus header to the one found at the bottom of that page, and also, if you could provide a small image of just the red globe, changing the bullet points in Wikisaurus entries to look like a smaller version of the red globe. What do you think? --Yair rand (talk) 20:42, 27 December 2009 (UTC)

Uh, this is the current account of m:User:Ephemeron, right? --Yair rand (talk) 00:37, 29 December 2009 (UTC)
I'd be delighted if you used my logo (and yes, you have got the right account). Of course I hoped from the start that Wiktionary would choose my logo, but now I can see, at least from the tally I did two weeks ago, that it's not going to happen - I guess I'll never be able to boast to my friends that I designed the Wiktionary logo. But you're offering me the next best thing, which is great. In fact it feels like a late Christmas present. Lastly here's the bullet point that you asked for. Thank you. Ephemeronium (talk) 00:39, 30 December 2009 (UTC)
I've started the discussion here. Time to wait and see if it goes through :) --Yair rand (talk) 19:32, 5 January 2010 (UTC)


The factual accuracy of the chemical structure Image:Citrulline-3D-balls.png is disputed[edit]

Dispute notification The chemical structure Image:Citrulline-3D-balls.png you uploaded has been tagged as disputed and is now listed in Category:Disputed chemical diagrams. Images in this category are deleted after one month if there is no upload of a corrected version and if there is no objection from the uploader or other users. Please discuss on the image talk page if you feel that the dispute is inappropriate. If you agree with the dispute, you can either upload a corrected version or simply allow the image to be deleted.

In all cases, please do not take the dispute personally. It is never intended as such. Thank you! --Edgar181 (talk) 14:02, 26 January 2010 (UTC)



Thank you for the quick fix! Edgar181 (talk) 14:14, 27 January 2010 (UTC)

Can you do a molecule of phosphoglycolate?[edit]

Hi Ephemeronium! I really like the molecular models that you've contributed to Wikipedia! Since I don't know if you're still active here, I was just wondering if you could do a molecule of phosphoglycolate? It's just glycolate with a phosphate group attached. No pressure! It's not like your beholden to me or anything, but I just find your work... aesthetically pleasing (I've seen alot of sloppy models) for the loss of a better phrase. Anyways, keep up the good work!

Lee

Phosphoglycolate (3-) Phosphoglycolate (3-)
Phosphoglycolate (3-)
Phosphoglycolate (2-)

Wow, I am honored to be receiving requests for my molecules! I have made these two images right away, showing different states of ionisation. I hope you like them. --Ephemeronium (talk) 19:17, 6 October 2010 (UTC)


Dude... you are totally awesome! Thank you so much! Again, really, keep up the good work!

-Lee — Preceding unsigned comment added by 66.31.40.217 (talk • contribs) 21:34, 6 October 2010 (UTC)

Pictogram voting info.svg Info If you like to get more of such requests, just have a look at w:Wikipedia:WikiProject Chemistry/Image Request. ;-) --Leyo 00:21, 7 October 2010 (UTC)

Just out of interest, what are you planning on using the image(s) for? I notice that phosphoglycolate doesn't have a Wikipedia article. --Ephemeronium (talk) 21:00, 8 October 2010 (UTC)

Yes, I noticed that it doesn't have a Wiki page, but I'm using it to create a schema of photorespiraton in C4 plants. I hope to make it Wiki-worthy, and once I do, I will totally credit you ;)
Lee — Preceding unsigned comment added by 66.31.40.217 (talk • contribs) 20:03, 10 October 2010 (UTC)

Incorrect orientation of amino-groups[edit]

In the pictures File:Carbamic-acid-3D-balls-B.png, File:Carbamic-acid-3D-balls-C.png, File:Carbamate-anion-3D-balls.png, you have neglected the free electron-pair of the nitrogen-atom that causes the hydrogen-atoms to form a trigonal pyramidal in stead of a trigonal planar structure.

In organic chemistry nitrogen never forms trigonal shapes. Only trigonal pyramidal shapes (where the yellow lone electron-pair is omitted) or tetrahedral in case of a positively charged cation.

In the case Carbamic-acid, the free negative elecron-pair is attracted to the positive double-bond of the oxygen-atom, causing the hydrogen-atoms to point away from the oxygen.

/Kemikungen (talk) 08:56, 20 October 2010 (UTC)

I was under the impression that nitrogen forms a planar shape in amides. See File:Acetamide-3D-balls.png and many more. This would be justified by the resonance structures of the amide. I don't think carbamic acid is an exception, as this depiction of its 3d structure shows it as a planar molecule. If it does turn out to be the case, I will look into redrawing them. What do you mean by 'positive double-bond'?
--Ephemeronium (talk) 12:18, 20 October 2010 (UTC)
Ah, yes you are right. Amides have resonance. I forgot that because it is not shown in molecule models or structural formulas in the way usually done with organic nitrates (like nitromethane). However, I don't think this is the case with the carbamate-anion since the only free electron pair is already involved in resonance between the two oxygen atoms. /Kemikungen (talk) 12:59, 20 October 2010 (UTC)
Carbamate-anion-3D-balls-B.png
I'm still not completely convinced, since another model shows the carbamate ion as being planar. However I've uploaded a second version, which shows it as having the typical amino group structure. Feel free to do what you like with it. --Ephemeronium (talk) 17:49, 22 October 2010 (UTC)

File:Aniline-3D-balls-C.png[edit]

Commons-emblem-issue.svg File:Aniline-3D-balls-C.png has been listed at Commons:Deletion requests so that the community can discuss whether it should be kept or not. We would appreciate it if you could go to voice your opinion about this at its entry.

If you created this file, please note that the fact that it has been proposed for deletion does not necessarily mean that we do not value your kind contribution. It simply means that one person believes that there is some specific problem with it, such as a copyright issue.
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DMacks (talk) 15:55, 28 March 2011 (UTC)

Hiya Ephemeronium, I was wondering if you could do a molecular model for me (-: I want to use a couple of models you have already submitted (caffeic and p-coumaric acid) for my project poster but one of the compounds (Ferulic acid) I am using hasn't got one of your brill adaptations. I would very much appreciate it. Cheers Nicola

I'll see what I can do. It might be a while though. Ephemeronium (talk) 08:24, 10 May 2011 (UTC)

Ok no worries, thank you anyway (-; Nik 12 May 2011

Alright, here it is. :-) I hope it's not too late for you to use it. Also, I checked my files and it seems I haven't done caffeic acid, so here's that one too. Ephemeronium (talk) 12:50, 20 May 2011 (UTC)

Timestamp problem[edit]

File:Triphosphane-3D-balls.png states "2011-01-22" but was uploaded on May 31. Looks like many recent uploaded chemical-diagrams of yours have this same back-dated situation. Were they transferred from an earlier upload at another wiki? Or maybe hardcoded date in the block being cut'n'pasted? DMacks (talk) 15:18, 2 June 2011 (UTC)

That would be the date that I made them. They've been sitting on my hard drive for a while. Ephemeronium (talk) 15:32, 2 June 2011 (UTC)

Gotcha. Thanks for clarifying. And thanks for contributing them! DMacks (talk) 16:12, 2 June 2011 (UTC)

Oh, it's my pleasure. I'm just glad I have some free time now to do so. :-) Ephemeronium (talk) 16:41, 2 June 2011 (UTC)

Superphane-3D geometry data[edit]

Is File:Superphane-3D-skeletal-sticks.png (and the related ball&stick model) an energy-minimized structure, or is the geometry based on experimental data? The en.wp article on the topic has a ref for the X-ray structure, which would be a good basis for all the carbon coordinates. DMacks (talk) 15:45, 3 August 2011 (UTC)

It's energy minimized, and probably not very accurate at that. I just push the 'clean geometry' button loads of times until it settles on something plausible. And whatever this reference is, I don't think I'm allowed access to it. Ephemeronium (talk) 12:42, 4 August 2011 (UTC)

File:4-Aminobenzoic-acid-zwitterion-3D-spacefill.png perspective[edit]

The third H on the N doesn't seem to be visible, and that detail is pretty important for what this diagram is illustrating. Maybe tilting the structure up a bit (so we can see more of the bottom of the amine?) might let us see the the back H peak out a bit? DMacks (talk) 15:12, 11 September 2011 (UTC)

It's on my to-do list now. Thanks for showing interest. Ephemeronium (talk) 13:39, 14 September 2011 (UTC)

Comic Sans[edit]

Hi,

If you found another image using Comic sans, please add it to Category:Illustrations with Comic Sans text. It will allow to review if the use is justified and create derivative version if needed. --Dereckson (talk) 10:42, 13 August 2012 (UTC)

Cyclododecane[edit]

Hi, Jynto: I have improved the article "Cyclododecan" in the German WP. To illustrate the structure of this molecule, I browsed in COMMONS and found your grafics. However, I'am not shure about the origin of your pictures, i.e. the drawing program. Are the drawings in agreement with the original experimental results (see my sources given in German WP Cyclododecan)? Best regards --Durfo (talk) 09:48, 5 November 2012 (UTC)

(talk page stalker) Direct link is de:Cyclododecan, and I assume the images in question are File:Cyclododecane 3D ball.png and File:Cyclododecane 3D spacefill.png, illustrating (based on just our one available perspectie) an all-staggered/gauche conformation in an all-convex ("regular dodecagon") ring shape. To my eye, these two images have something like a C6 axis. I wonder if this is another case like #Superphane-3D geometry data above? Durfo, your article edits mention that it is D4, and cite (1960). "The structures of the middle ring compounds III. The structure of the cyclododecane". Helvetica Chimica Acta 43: 18–35. DOI:10.1002/hlca.19600430104. The abstract only gives mentions "syn–skew", which is consistent with the images. I don't have access to the article itself to see the more specific structure factors--are there actual dihedral angles or coordinates that would allow building a model of the specific crystal structure? DMacks (talk) 22:16, 5 November 2012 (UTC)

Broken link to uploads cat[edit]

"Click here to see the category of images by me" on your userpage points to your old username, but the cat was renamed when you were. DMacks (talk) 21:46, 5 November 2012 (UTC)


The factual accuracy of the chemical structure File:Echinopsidine-3D-balls.png is disputed[edit]

Dispute notification The chemical structure File:Echinopsidine-3D-balls.png you uploaded has been tagged as disputed and is now listed in Category:Disputed chemical diagrams. Files in this category are deleted after one month if there is no upload of a corrected version and if there is no objection from the uploader or other users. Please discuss on the file talk page if you feel that the dispute is inappropriate. If you agree with the dispute, you can either upload a corrected version or simply allow the file to be deleted.

In all cases, please do not take the dispute personally. It is never intended as such. Thank you! --Ed (Edgar181) 19:18, 9 January 2013 (UTC)


... and also File:Echinopsidine-3D-spacefill.png. Ed (Edgar181) 19:18, 9 January 2013 (UTC)

I think the fault is mine because you probably derived the structure from File:Echinopsidine.png, which I created with the same error, but have now fixed with File:Echinopsidine.svg. Ed (Edgar181) 19:20, 9 January 2013 (UTC)

Picture of the Year voting round 1 open[edit]

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File:Piroxicam 3D ball.png and File:Piroxicam 3D spacefill.png[edit]

Hi.

I think there is a problem with this twto pictures. The left cycle should be a pyridine cycle, not a benzene one. Regards. --Rhadamante (talk) 00:34, 20 January 2013 (UTC)

Fixed - thanks for bringing it to my attention. Jynto (talk) 12:49, 16 May 2013 (UTC)

Azapropazone images[edit]

Hi Jynto, I just wanted to let know that I have marked two of your images as disputed. They are File:Azapropazone 3D spacefill.png and File:Azapropazone 3D ball.png. If you could correct them, that would great. Thanks. Ed (Edgar181) 18:11, 13 May 2013 (UTC)

Thanks for spotting it. I'll fix it when I get the time. Jynto (talk) 23:51, 14 May 2013 (UTC)

Fixed too. Jynto (talk) 12:49, 16 May 2013 (UTC)

Question[edit]

How do you upload molecules? Do you use a special program? 24.96.184.145 21:11, 30 November 2013 (UTC)

Good question. I use a program called [Discovery Studio Visualiser http://accelrys.com/products/discovery-studio/visualization-download.php]. There are better ones available, but DS Visualiser is my favourite. It's free as well. Ben Mills has an excellent tutorial for that piece of software, which can be found here. Oh, and if you want your molecules to look like mine, these are the lighting settings that I use. Jynto (talk) 12:37, 1 December 2013 (UTC)

Picture of the Year 2013 R1 Announcement[edit]

Round 1 of Picture of the Year 2013 is open![edit]

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File:2,3,7,8-Tetrachlordibenzodioxin.svg[edit]

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Leyo 07:05, 4 April 2014 (UTC)

File:Ethofumesate-3D-spacefill.png[edit]

Commons-emblem-issue.svg File:Ethofumesate-3D-spacefill.png has been listed at Commons:Deletion requests so that the community can discuss whether it should be kept or not. We would appreciate it if you could go to voice your opinion about this at its entry.

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Kopiersperre (talk) 14:30, 23 June 2014 (UTC)