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Updated: Jan 23, 2026

Split-and-pool Synthesis and Characterization of Peptide Tertiary Amide Library
Published on: June 20, 2014
Dichloro-phosphinic bis-(2-chloro-eth-yl)amide
1Key Laboratory of Luminescence and Real-Time Analysis, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chong Qing 400716, People's Republic of China.
The crystal structure of C4H8Cl4NOP reveals distinct conformations for its two chloro-ethyl groups. These structural differences are quantified by specific N-C-C-Cl torsion angles, highlighting molecular asymmetry.
Area of Science:
- Crystallography
- Organic Chemistry
- Molecular Structure
Background:
- The study investigates the molecular structure of a specific chemical compound, C4H8Cl4NOP.
- Understanding the spatial arrangement of atoms in organic molecules is crucial for predicting their properties and reactivity.
Purpose of the Study:
- To determine and describe the three-dimensional structure of the title compound, C4H8Cl4NOP.
- To analyze the conformation of the chloro-ethyl groups within the molecule and identify any differences.
Main Methods:
- Single-crystal X-ray diffraction was employed to elucidate the crystal structure.
- Analysis of bond lengths, bond angles, and torsion angles was performed to describe the molecular geometry.
Main Results:
- The two chloro-ethyl groups in C4H8Cl4NOP are not symmetrically equivalent.
- Significant differences in the N-C-C-Cl torsion angles (64.57(15)° and 175.62(10)°) indicate distinct conformations of these groups.
Conclusions:
- The crystal structure analysis confirms the asymmetric nature of the chloro-ethyl substituents in C4H8Cl4NOP.
- The observed conformational differences are a key feature of this molecule's solid-state structure.
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