silylene

https://doi.org/10.1351/goldbook.S05673
  1. Generic name for H2Si: and substitution derivatives thereof, containing an electrically neutral bivalent silicon atom with two non-bonding electrons. (The definition is analogous to that given for @C00806@.)
  2. The silanediyl group (H2Si), analogous to the @M03881@ group (H2C).
Source:
PAC, 1994, 66, 1077.(Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1164 [Terms] [Paper]