Sigma electron donor-acceptor
id:
sigma-electron-donor-acceptor-322-2282803
title:
Sigma electron donor-acceptor
text:
The sEDA parameter (sigma electron donor-acceptor) is a sigma-electron substituent effect scale, described also as inductive and electronegativity related effect. There is also a complementary scale - pEDA. The more positive is the value of sEDA the more sigma-electron donating is a substituent. The more negative sEDA, the more sigma-electron withdrawing is the substituent (see the table below). The sEDA parameter for a given substituent is calculated by means of quantum chemistry methods. The m
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wiki
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encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Sigma_electron_donor-acceptor
date created:
date modified:
2019-01-02T00:16:57Z
main entity:
{"identifier":"Q45732757","url":"https://www.wikidata.org/entity/Q45732757"}
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fields total:
13
integrity:
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