Research index·Journal articleNotesNature·1 May 1874NobleIDark:/48914/w1/20260515/7ECFF6A2DOI10.1038/010033b0Journal articleNotesNature · 1874 · SubscriptionNobleIDark:/48914/w1/20260515/7ECFF6A2DOI10.1038/010033b0ReadRead at the publisherSaveCiteAdd to literature reviewPaywalledThe full text is at the publisherOpen it at the publisher to read it.Read at the publisherDiscussionAdd to the discussionTopicsChemistryRelated papersMoreDetailsPublished, publisher, issueSuggest a correction or report