Exception
In 2004, researchers reported the synthesis of 5-dehydro-m-xylylene (DMX), the first organic molecule known to violate Hund's rule.
Read more about this topic: Hund's Rule Of Maximum Multiplicity
Famous quotes containing the word exception:
“The ways by which you may get money almost without exception lead downward. To have done anything by which you earned money merely is to have been truly idle or worse.”
—Henry David Thoreau (1817–1862)
“There are two great rules in life, the one general and the other particular. The first is that every one can in the end get what he wants if he only tries. This is the general rule. The particular rule is that every individual is more or less of an exception to the general rule.”
—Samuel Butler (1835–1902)
“Usually he has no thoughts—but as an exception to this rule sometimes nasty thoughts occur to him.”
—Friedrich Nietzsche (1844–1900)