The N and C atoms of the cation, together with their attached H atoms, lie on the same mirror plane.
O hydrogen bonds help to consolidate the crystal structure. The heteroatom ring of the quinoxalinone system shows a half-chair conformation, slightly distorted towards a sofa. The two imino groups are hydrogen bonded with the dimethyl sulfoxide solvent molecule. An intramolecular hydrogen bond links the NH group to an O atom of the nearest nitro group.
O hydrogen bonds to give a three-dimensional molecular network.
The nitro group is almost coplanar with the benzene ring to which it is attached.
The O atom of one solvent water molecule also lies on a twofold axis.
The N and C atoms of the cation, together with their attached H atoms, lie on the same mirror plane. The heteroatom ring of the quinoxalinone system shows a half-chair conformation, slightly distorted towards a sofa. In the molecule, two thiazoline rings are located on one side of the central benzene plane, while the third thiazoline ring is located on the other side of the central benzene plane. The crystal structure contains three very weak intermolecular hydrogen bonds, viz.
O hydrogen bonds link the molecules into zigzag chains along the b axis. The molecules are stacked along the b axis. Each of the cis-fused tetrahydrofuran rings adopts an envelope conformation with the O atom in the flap position. O interactions are observed.
Cl hydrogen bonds, forming a chain along the c axis. The carboxylate group is oriented almost coplanar with the indolizine unit. The N and C atoms of the cation, together with their attached H atoms, lie on the same mirror plane.
O hydrogen bonds complete a two-dimensional hydrogen-bond network.
The conformations of these non-planar molecules are similar.
The trimethylsilyl group is substituted in the axial position of the half-chair.
An intramolecular hydrogen bond links the NH group to an O atom of the nearest nitro group.
The trimethylsilyl group is substituted in the axial position of the half-chair. The heteroatom ring of the quinoxalinone system shows a half-chair conformation, slightly distorted towards a sofa.
The crystal packing is further stabilized by van der Waals forces.
O interactions are observed. O hydrogen bonds complete a two-dimensional hydrogen-bond network. O hydrogen bonds to give a three-dimensional molecular network.
The molecule contains a centre of inversion at the mid-point of the central double bond and the thiazine rings have an envelope conformation. The structure comprises two molecules in the asymmetric unit, which differ in terms of the orientation of their pendant n-propyl groups. In the molecule, two thiazoline rings are located on one side of the central benzene plane, while the third thiazoline ring is located on the other side of the central benzene plane.
S intermolecular interactions. O hydrogen-bonding interactions.
O hydrogen bonds help to consolidate the crystal structure. Geometric parameters are in the normal ranges.
O interactions, forming zigzag chains along the c axis.
The trimethylsilyl group is substituted in the axial position of the half-chair.
O hydrogen-bonding interactions.