Hi Bob, can you check this new page I did on E/Z stereochemistry ? Annulene
seems not working well.
The first structure doesn't show stereochemistry, while the second doesn show
the double with E
http://pinostriccoli.altervista.org/?p=8967
Pino
----Messaggio originale----
Da: hans...@stolaf.edu
Data: 29-apr-2017 22.30
A: "jmol-users@lists.sourceforge.net"<jmol-users@lists.sourceforge.net>
Ogg: [Jmol-users] Jmol 14.15.2 -- chirality work complete
Jmol 14.15.2 https://sourceforge.net/projects/jmol/files
fully implements all IUPAC 2013 Blue Book
(http://pubs.rsc.org/en/content/ebook/9780854041824) involved in:
-- simple R/S and E/Z, with small-ring removal of E/Z
-- odd and even cumulenes (E/Z, M/P)
-- atropisomers (M/P)
-- pseudochiral r/s and m/p
-- P, S, As, Se, Sb, Te, Bi, Po trigonal pyramidal and tetrahedral
-- imine and diazine E/Z chirality
(In case "M/P" is new to you, M(inus) and P(lus) are the preferred
designations now for axial and planar chirality rather than Ra and Sa,
respectively. I like this a lot, because it is simply the sign of the
associated torsion angle.)
Jmol does not implement hypervalent chirality (trigonal bipyramidal, octahedral)
Bob
--
Robert M. Hanson
Larson-Anderson Professor of Chemistry
St. Olaf College
Northfield, MN
http://www.stolaf.edu/people/hansonr
If nature does not answer first what we want,
it is better to take what answer we get.
-- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
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