| [Mn(C2H3O2)(C22H21N3O)(CH4O)](C24H20B)·CH4O | F(000) = 1772 |
| Mr = 840.69 | Dx = 1.295 Mg m−3 |
| Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
| a = 10.3504 (3) Å | Cell parameters from 8395 reflections |
| b = 17.4824 (5) Å | θ = 2.4–32.4° |
| c = 23.9618 (9) Å | µ = 0.36 mm−1 |
| β = 96.222 (3)° | T = 173 K |
| V = 4310.3 (3) Å3 | Prism, colourless |
| Z = 4 | 0.34 × 0.28 × 0.26 mm |