Simple or primitive monoclinic lattice (monoclinic-P) has one lattice point at the each corner of the unit cell. It has unit cell vectors a≠b≠c and interaxial angles α=γ=90°≠β.
Generalic, Eni. "Simple monoclinic lattice." Croatian-English Chemistry Dictionary & Glossary. 29 June 2022. KTF-Split. 29 Mar. 2025. <https://glossary.periodni.com>.
Glossary
Periodic Table