The title compound, C28H33N2O2P, contains a penta­coordinated P atom as a result of the weak N→P intra­molecular inter­actions, with three C atoms, two N atoms and the lone pair arranged in a dicapped pseudo-tetra­hedral geometry. The morpholine rings exhibit an almost ideal chair conformation. In the crystal, two weak C—H⋯O hydrogen-bond inter­actions link the mol­ecules in layers stacked along the a axis; there are no further inter­actions between the layers

Covaci, Ancuta

Silvestru, Cristian

Varga, Richard A.

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Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) x y z Uiso*/Ueq

In Die Elemente.

Molecular packing as viewed along the c axis. Hydrogen bonds are shown as dashed lines; only H atoms involved in interactions are shown.

organic compounds o3158 Covaci et al. doi:10.1107/S1600536809048946 Acta Cryst.

publCIF. In preparation. organic compounds Acta Cryst.

SAINT-Plus.

The magnitude of the N→P interactions is similar to the ones present in tris[2-(dimethylaminomethyl)phenyl]phosphane (Chuit

The structure of (I) with its atomic numbering scheme is depicted in Figure 1. The N atoms from the two morphilinyl pendant arms form weak intramolecular interactions with the central phosphorus atom

Bis[2-(morpholinometh­yl)phen­yl]phenyl­phosphane