multireference configuration interaction

Acronym: MRCI

Configuration-interaction method in which the configurations are built by excitation out of a wavefunction obtained by using, e.g., the multiconfiguration SCF method.
Note:
One of the methods to account for dynamic correlation.
Source:
PAC, 2007, 79, 293 (Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)) on page 373