Arrow 51

Unicode
U+21C2
Category
Arrows
HTML Entity
⇂
CSS
\21C2
The ⇂ (Downwards Harpoon with Barb Rightwards) symbol is a specialized typographic arrow found in the Unicode Arrows block. It is predominantly used in scientific notation, particularly in chemistry and quantum physics, to visually represent an electron with a "spin-down" state in orbital diagrams. While rarely used in everyday messaging, it remains an essential character for accurately digitizing complex mathematical equations and scientific literature.

How to Type

Windows
Alt + 8642
macOS
Control + Command + Space then search "downwards harpoon"
Linux
Ctrl + Shift + U, then 21C2, Space
HTML
⇂

In Programming

In technical typesetting systems like LaTeX, this symbol is typically rendered using the command \downharpoonright to denote specific electron spin states or specialized limits in advanced mathematical formulas.

Tags

arrow chemistry symbol down downward harpoon right electron spin half arrow down harpoon math orbital diagram physics notation quantum physics right scientific notation spin down electron unicode arrows

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