File:Molecular Model of Methane Hofmann.jpg

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Molecular_Model_of_Methane_Hofmann.jpg ‎(256 × 341 pixels, file size: 23 KB, MIME type: image/jpeg)

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Summary

Description
English: Molecular model of methane, created by August Wilhelm von Hofmann (ca. 1860). The square planar structure depicted is now known to be incorrect.
Nederlands: Molecuulmodel van methaan door August Wilhelm von Hofmann (ca. 1860).
Date
Source Self-photographed
(Original caption: "
Photographed by Henry Rzepa, with the kind permission of the Royal Institution of London, in whose collection the model resides
")
Author Henry Rzepa

Licensing

Henry Rzepa, the copyright holder of this work, hereby publishes it under the following licences:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation Licence, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the licence is included in the section entitled GNU Free Documentation Licence.
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International, 3.0 Unported, 2.5 Generic, 2.0 Generic and 1.0 Generic license.
Attribution: Henry Rzepa
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Captions

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Items portrayed in this file

depicts

inception

7 July 2005

data size

23,716 byte

height

341 pixel

width

256 pixel

media type

image/jpeg

checksum

d7b872d4a7d2b7a00966f2d00e3efb732057525c

determination method: SHA-1

exposure time

0.942186630990906 second

f-number

0.00935526286428315

focal length

3.4 millimetre

File history

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Date/TimeThumbnailDimensionsUserComment
current13:09, 12 April 2011Thumbnail for version as of 13:09, 12 April 2011256 × 341 (23 KB)wikimediacommons>Rzepa{{Information |Description ={{en|1=Molecular model of methane, created by August von Hoffmann}} |Source =Personal photograph |Author =Rzepa |Date =2005-07-07 |Permission = |other_versions = }}

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