Cyclobutadiene: Revision history

11 March 2024

• curprev 10:5010:50, 11 March 2024 Citation bot talk contribs 9,287 bytes +16 Added s2cid. | Use this bot. Report bugs. | Suggested by Abductive | Category:Antiaromatic compounds | #UCB_Category 10/13 undo

1 February 2024

• curprev 18:4118:41, 1 February 2024 Krissemerlad talk contribs m 9,271 bytes +97 Updated image and added caption for the space-filling model. undo Tag: Visual edit

24 November 2023

• curprev 23:5923:59, 24 November 2023 Dirac66 talk contribs m 9,174 bytes +18 →Structure and reactivity: pi electrons = π electrons, so link from first mention undo

10 July 2023

• curprev 10:5610:56, 10 July 2023 141.201.199.220 talk 9,156 bytes +119 →Structure and reactivity: square CDB does not distort under due to JT but due to pseudo JT because there are no unpaired electrons in the triplet state necessarily. undo

24 July 2022

• curprev 10:5910:59, 24 July 2022 Dirac66 talk contribs m 9,037 bytes +16 →Synthesis: Link for tert-butyl undo
• curprev 01:0001:00, 24 July 2022 Bernardirfan talk contribs 9,021 bytes +8 Wrong format undo
• curprev 00:5600:56, 24 July 2022 Bernardirfan talk contribs 9,013 bytes −1 Replacing HTML with {{chem2}} undo

14 January 2022

• curprev 10:5710:57, 14 January 2022 1234qwer1234qwer4 talk contribs m 9,014 bytes +26 link thermolysis using Find link undo

24 November 2021

• curprev 22:2922:29, 24 November 2021 GKFX talk contribs m 8,988 bytes −25 Use Template:Chem2 consistently (via WP:JWB) undo

17 November 2021

• curprev 11:1111:11, 17 November 2021 Hammelsmith talk contribs 9,013 bytes +64 "Revisit of the..." source undo Tag: OAbot [2.1]

31 October 2021

• curprev 07:0107:01, 31 October 2021 Citation bot talk contribs 8,949 bytes +28 Add: bibcode. | Use this bot. Report bugs. | Suggested by Whoop whoop pull up | #UCB_webform 1532/2024 undo

3 April 2021

• curprev 04:3404:34, 3 April 2021 Saidur Mursalin talk contribs 8,921 bytes −21 No edit summary undo Tags: Mobile edit Mobile web edit Advanced mobile edit

18 December 2020

• curprev 14:3014:30, 18 December 2020 Tom.Reding talk contribs m 8,942 bytes +11 →References: Enum 1 author/editor WL; WP:GenFixes on undo Tag: AWB

10 November 2020

• curprev 03:1203:12, 10 November 2020 Citation bot talk contribs 8,931 bytes −70 Alter: url. URLs might have been internationalized/anonymized. Add: author pars. 1-1. Removed parameters. Some additions/deletions were actually parameter name changes. | You can use this bot yourself. Report bugs here. | Suggested by AManWithNoPlan | All pages linked from cached copy of User:AManWithNoPlan/sandbox2 | via #UCB_webform_linked 759/3786 undo

17 June 2020

• curprev 14:0014:00, 17 June 2020 Fswitzer4 talk contribs m 9,001 bytes +57 Validated CAS and added FDA UNII undo

22 April 2020

• curprev 16:3216:32, 22 April 2020 2a02:8388:19c0:1e80:d429:96d2:f722:4538 talk 8,944 bytes +25 →Structure and reactivity: converted energy gap to eV (for the reader's convenience) undo

19 April 2020

• curprev 22:4422:44, 19 April 2020 Dirac66 talk contribs 8,919 bytes +24 →Structure and reactivity: JT effect also lowers symmetry undo
• curprev 22:0022:00, 19 April 2020 2a02:8388:19c0:1e80:a5ee:b8b1:5108:9dd0 talk 8,895 bytes +36 →Structure and reactivity: linked triplet and singlet state undo

12 April 2020

• curprev 15:0415:04, 12 April 2020 Inertia6084 talk contribs m 8,859 bytes +5 (GR) File renamed: File:Cyclobutadiene3D.png → File:Cyclobutadiene-3D-vdW.png Criterion 1 (original uploader’s request) undo

23 February 2020

• curprev 21:2321:23, 23 February 2020 A876 talk contribs 8,854 bytes +69 +Category:Cyclobutenes. undo

22 February 2020

• curprev 20:3420:34, 22 February 2020 Bellowhead678 talk contribs m 8,785 bytes +1 tetrakis(tert->tetrakis (tert - Fix a typo in one click undo

24 January 2020

• curprev 00:3900:39, 24 January 2020 Alsosaid1987 talk contribs 8,784 bytes +21 not really stereoisomer; i would call it a valence isomer undo Tag: Visual edit

12 July 2019

• curprev 17:1217:12, 12 July 2019 Gyimhu talk contribs 8,763 bytes −6 infobox name no bold undo

28 January 2019

• curprev 10:0810:08, 28 January 2019 Citation bot talk contribs m 8,769 bytes +95 Alter: url. Add: journal, issue, pmid, author pars. 1-3. Removed parameters. | You can use this bot yourself. Report bugs here. | User-activated. undo

22 January 2019

• curprev 15:0015:00, 22 January 2019 John of Reading talk contribs m 8,674 bytes −1 →Trapping: Typo fixing, replaced: an hemicarceplex → a hemicarceplex undo Tag: AWB

9 January 2019

• curprev 21:3321:33, 9 January 2019 Cherkash talk contribs m 8,675 bytes +6 clean up, replaced: host-guest → host–guest undo Tag: AWB

2 December 2018

• curprev 18:1218:12, 2 December 2018 Vycl1994 talk contribs 8,669 bytes +55 No edit summary undo
• curprev 11:5711:57, 2 December 2018 Alfa-ketosav talk contribs 8,614 bytes −58 No edit summary undo

6 October 2018

• curprev 00:4400:44, 6 October 2018 Alsosaid1987 talk contribs 8,672 bytes +8 →Structure and reactivity: locants in compound missing undo Tag: Visual edit

23 May 2018

• curprev 13:0513:05, 23 May 2018 OrganoMetallurgy talk contribs 8,664 bytes +58 As far as I can tell, it's generally believed to have a planar structure. I restored the image and removed the part claiming it has a nonplanar structure undo Tag: Undo
• curprev 11:1011:10, 23 May 2018 Christian75 talk contribs 8,606 bytes −69 Intro says: "It is thought to adopt a rectangular, nonplanar structure". Remove planar structure image from infobox. I would like to remove the external 3D-links too, but it seems impossible undo

13 May 2018

• curprev 21:2021:20, 13 May 2018 Dirac66 talk contribs 8,675 bytes +16 →Structure and reactivity: Specified that triplet is square and an excited state (as shown in Fig.1 of the Kostenko paper) undo

11 May 2018

• curprev 02:5602:56, 11 May 2018 Alsosaid1987 talk contribs 8,659 bytes +1,019 →Structure and reactivity: triplet cyclobutadiene and its observation in 2017 undo Tag: Visual edit

8 March 2018

• curprev 00:3500:35, 8 March 2018 Dirac66 talk contribs m 7,640 bytes +8 →Trapping: 1. even above 35K → above 35 K 2. Link to CarcEplex undo

6 March 2018

• curprev 20:0620:06, 6 March 2018 Dirac66 talk contribs 7,632 bytes +73 Revised sections Structure and reactivity, Synthesis. undo
• curprev 00:3600:36, 6 March 2018 Dirac66 talk contribs 7,559 bytes +59 Revise intro: the ... C4H4 → an ... C4H4 (as tetrahedrane is another isomer), oligomerize → dimerize, alone stable → single molecule stable, isolated at T < 35K undo

25 February 2018

• curprev 22:1322:13, 25 February 2018 Smokefoot talk contribs 7,500 bytes +122 →Synthesis: O2 undo
• curprev 17:3317:33, 25 February 2018 Smokefoot talk contribs m 7,378 bytes +6 →Synthesis: Engl undo
• curprev 17:3217:32, 25 February 2018 Smokefoot talk contribs 7,372 bytes +76 →Structure and reactivity: phrasing undo
• curprev 16:1416:14, 25 February 2018 Smokefoot talk contribs 7,296 bytes +18 →Trapping: chemical trapping undo
• curprev 15:5815:58, 25 February 2018 Smokefoot talk contribs 7,278 bytes −23 repair ref undo
• curprev 15:4815:48, 25 February 2018 Smokefoot talk contribs 7,301 bytes −107 →Trapping: Engl undo
• curprev 15:4115:41, 25 February 2018 Smokefoot talk contribs 7,408 bytes +19 link to Pettit undo
• curprev 15:1015:10, 25 February 2018 Smokefoot talk contribs 7,389 bytes +92 →Trapping: the basic chemistry of the title complex, conversion to COT undo
• curprev 15:0715:07, 25 February 2018 Smokefoot talk contribs 7,297 bytes −54 english undo
• curprev 15:0515:05, 25 February 2018 Smokefoot talk contribs 7,351 bytes +330 →Synthesis: german prep undo
• curprev 14:5014:50, 25 February 2018 Smokefoot talk contribs 7,021 bytes +417 additional details undo
• curprev 14:3014:30, 25 February 2018 Smokefoot talk contribs 6,604 bytes −82 further repairs undo
• curprev 14:2614:26, 25 February 2018 Smokefoot talk contribs 6,686 bytes −439 refine undo
• curprev 12:5912:59, 25 February 2018 Smokefoot talk contribs 7,125 bytes +157 →Trapping: cram's exp undo