Woodward–Hoffmann rules

en

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Woodward–Hoffmann rules

Quality:

Woodward–Hoffmann rules - set of rules used to rationalize or predict certain aspects of the stereochemistry and activation energy of pericyclic reactions. Article “Woodward–Hoffmann rules” in English Wikipedia has 79.2 points for quality (as of July 1, 2025). The article contains 75 references and 27 sections.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that (English) language version.

In June 2025 the article “Woodward–Hoffmann rules” was edited by 3 authors in English Wikipedia and written by 5 authors in all languages.

Since the creation of article “Woodward–Hoffmann rules”, its content was written by 70 registered users of English Wikipedia and edited by 241 registered Wikipedia users in all languages.

The article is cited 326 times in English Wikipedia and cited 637 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #42700 in May 2013
  • Global: #60117 in April 2009

The highest popularity rank from 2008:

  • Local (English): #161105 in November 2014
  • Global: #186330 in February 2018

There are 19 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Woodward–Hoffmann rules
79.2372
2Korean (ko)
우드워드-호프만 규칙
78.2878
3Czech (cs)
Woodwardova–Hoffmannova pravidla
39.8716
4Finnish (fi)
Woodward–Hoffmann-säännöt
26.8097
5Simple English (simple)
Woodward–Hoffmann rules
26.0392
6Dutch (nl)
Woodward-Hoffmann-regels
25.4011
7Chinese (zh)
分子轨道对称守恒原理
25.3827
8German (de)
Woodward-Hoffmann-Regeln
23.8128
9Serbian (sr)
Vudvard-Hofmanova pravila
21.3108
10Persian (fa)
قوانین وودوارد–هافمن
18.8383
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "Woodward–Hoffmann rules" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Woodward–Hoffmann rules
800 747
2Japanese (ja)
ウッドワード・ホフマン則
174 635
3German (de)
Woodward-Hoffmann-Regeln
168 488
4Russian (ru)
Правило Вудворда — Хофмана
52 101
5Chinese (zh)
分子轨道对称守恒原理
48 067
6Spanish (es)
Reglas de Woodward-Hoffmann
30 563
7Italian (it)
Regole di Woodward-Hoffmann
29 160
8French (fr)
Règles de Woodward–Hoffmann
17 466
9Dutch (nl)
Woodward-Hoffmann-regels
8 661
10Portuguese (pt)
Regras de Woodward-Hoffmann
8 596
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2025

The most popular language versions of the article "Woodward–Hoffmann rules" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Woodward–Hoffmann rules
3 105
2Japanese (ja)
ウッドワード・ホフマン則
647
3German (de)
Woodward-Hoffmann-Regeln
432
4Korean (ko)
우드워드-호프만 규칙
207
5Chinese (zh)
分子轨道对称守恒原理
201
6Russian (ru)
Правило Вудворда — Хофмана
188
7Simple English (simple)
Woodward–Hoffmann rules
102
8Spanish (es)
Reglas de Woodward-Hoffmann
84
9Italian (it)
Regole di Woodward-Hoffmann
82
10Serbian (sr)
Vudvard-Hofmanova pravila
80
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "Woodward–Hoffmann rules" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Woodward–Hoffmann rules
70
2German (de)
Woodward-Hoffmann-Regeln
41
3Russian (ru)
Правило Вудворда — Хофмана
21
4Italian (it)
Regole di Woodward-Hoffmann
19
5Dutch (nl)
Woodward-Hoffmann-regels
17
6Chinese (zh)
分子轨道对称守恒原理
10
7Japanese (ja)
ウッドワード・ホフマン則
9
8Simple English (simple)
Woodward–Hoffmann rules
9
9Czech (cs)
Woodwardova–Hoffmannova pravidla
7
10French (fr)
Règles de Woodward–Hoffmann
7
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in June 2025

Language versions of the article "Woodward–Hoffmann rules" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Woodward–Hoffmann rules
3
2Korean (ko)
우드워드-호프만 규칙
1
3Simple English (simple)
Woodward–Hoffmann rules
1
4Czech (cs)
Woodwardova–Hoffmannova pravidla
0
5German (de)
Woodward-Hoffmann-Regeln
0
6Spanish (es)
Reglas de Woodward-Hoffmann
0
7Basque (eu)
Woodward-Hoffmannen arauak
0
8Persian (fa)
قوانین وودوارد–هافمن
0
9Finnish (fi)
Woodward–Hoffmann-säännöt
0
10French (fr)
Règles de Woodward–Hoffmann
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "Woodward–Hoffmann rules" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Woodward–Hoffmann rules
326
2Japanese (ja)
ウッドワード・ホフマン則
38
3Chinese (zh)
分子轨道对称守恒原理
38
4Serbian (sr)
Vudvard-Hofmanova pravila
34
5German (de)
Woodward-Hoffmann-Regeln
29
6Czech (cs)
Woodwardova–Hoffmannova pravidla
27
7French (fr)
Règles de Woodward–Hoffmann
19
8Dutch (nl)
Woodward-Hoffmann-regels
19
9Spanish (es)
Reglas de Woodward-Hoffmann
17
10Italian (it)
Regole di Woodward-Hoffmann
16
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
csCzech
Woodwardova–Hoffmannova pravidla
deGerman
Woodward-Hoffmann-Regeln
enEnglish
Woodward–Hoffmann rules
esSpanish
Reglas de Woodward-Hoffmann
euBasque
Woodward-Hoffmannen arauak
faPersian
قوانین وودوارد–هافمن
fiFinnish
Woodward–Hoffmann-säännöt
frFrench
Règles de Woodward–Hoffmann
itItalian
Regole di Woodward-Hoffmann
jaJapanese
ウッドワード・ホフマン則
koKorean
우드워드-호프만 규칙
nlDutch
Woodward-Hoffmann-regels
ptPortuguese
Regras de Woodward-Hoffmann
ruRussian
Правило Вудворда — Хофмана
simpleSimple English
Woodward–Hoffmann rules
srSerbian
Vudvard-Hofmanova pravila
trTurkish
Woodward-Hoffmann kuralları
ukUkrainian
Правила Вудворда — Гоффмана
zhChinese
分子轨道对称守恒原理

Popularity rank trends

Best Rank English:
#161105
11.2014
Global:
#186330
02.2018

AI rank trends

Best Rank English:
#42700
05.2013
Global:
#60117
04.2009

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Woodward–Hoffmann rules from Wikipedia articles about Diels–Alder reaction, 2+2 photocycloaddition, Frontier molecular orbital theory, Pericyclic reaction and Roald Hoffmann. Whereas reading the article about Woodward–Hoffmann rules people most often go to Wikipedia articles on Robert Burns Woodward, Pericyclic reaction, Roald Hoffmann, Antarafacial and suprafacial and Molecular Hamiltonian.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

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About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information