Ethyl ( E )- (4 R ,4a S ,6a R ,9 S ,11a R ,11b S )-8-(propargyloxyimino)-4,9,11b-trimethyl-6a,9-methanocyclohepta a naphthalene-4-carboxylate, C 25 H 37 NO 3 | Synapse
February 19, 2026Open Access
Ethyl ( E )- (4 R ,4a S ,6a R ,9 S ,11a R ,11b S )-8-(propargyloxyimino)-4,9,11b-trimethyl-6a,9-methanocyclohepta a naphthalene-4-carboxylate, C 25 H 37 NO 3
Key Points
The research aims to detail the crystallographic characteristics of a specific ethyl carboxylate compound.
Characterization using crystallography techniques
Determining unit cell parameters and space group
Analysis of molecular packing and symmetry
Obtained orthorhombic crystal structure with space group P212121
Unit cell dimensions: a = 7.64829 Å, b = 11.69898 Å, c = 25.1315 Å
Volume of the cell calculated as 2248.70 ų
Abstract
Abstract C 25 H 37 NO 3 , orthorhombic, P 2 1 2 1 2 1 (no. 19), a = 7.64829(7) Å, b = 11.69898(11) Å, c = 25.1315(2) Å, V = 2248.70(4) Å 3 , Z = 4, R gt ( F ) = 0.0313, wR ref ( F 2 ) = 0.0871, T = 200 K.