Scarabaeus sp.

Crystal structures of 10 spiro-derivatives of 1,3-thiazine were determined by X-ray diffraction technique. Molecular conformational states, packing architecture, and hydrogen bond networks were studied using graph set notations. Selected compounds were grouped within two classes with chains and dimer crystal structure organization. The sublimation thermodynamic aspects of the spiro-derivatives of 1,3-thiazine were investigated via temperature dependence of vapor pressure using the transpiration method. Thermophysical study of fusion processes of the molecular crystals was carried out and relationships between thermodynamic characteristics of sublimation (fusion) processes and crystal structure parameters were obtained. The influence of various molecular fragments on packing crystal energy was analyzed

Novel Spiro-Derivatives of 1,3-Thiazine Molecular Crystals: Structural and Thermodynamic Aspects

Crystal structures of 10 spiro-derivatives of 1,3-thiazine were determined by X-ray diffraction technique. Molecular conformational states, packing architecture, and hydrogen bond networks were studied using graph set notations. Selected compounds were grouped within two classes with chains and dimer crystal structure organization. The sublimation thermodynamic aspects of the spiro-derivatives of 1,3-thiazine were investigated via temperature dependence of vapor pressure using the transpiration method. Thermophysical study of fusion processes of the molecular crystals was carried out and relationships between thermodynamic characteristics of sublimation (fusion) processes and crystal structure parameters were obtained. The influence of various molecular fragments on packing crystal energy was analyzed

Novel Spiro-Derivatives of 1,3-Thiazine Molecular Crystals: Structural and Thermodynamic Aspects

Crystal structures of 10 spiro-derivatives of 1,3-thiazine were determined by X-ray diffraction technique. Molecular conformational states, packing architecture, and hydrogen bond networks were studied using graph set notations. Selected compounds were grouped within two classes with chains and dimer crystal structure organization. The sublimation thermodynamic aspects of the spiro-derivatives of 1,3-thiazine were investigated via temperature dependence of vapor pressure using the transpiration method. Thermophysical study of fusion processes of the molecular crystals was carried out and relationships between thermodynamic characteristics of sublimation (fusion) processes and crystal structure parameters were obtained. The influence of various molecular fragments on packing crystal energy was analyzed

Novel Spiro-Derivatives of 1,3-Thiazine Molecular Crystals: Structural and Thermodynamic Aspects

Crystal structures of 10 spiro-derivatives of 1,3-thiazine were determined by X-ray diffraction technique. Molecular conformational states, packing architecture, and hydrogen bond networks were studied using graph set notations. Selected compounds were grouped within two classes with chains and dimer crystal structure organization. The sublimation thermodynamic aspects of the spiro-derivatives of 1,3-thiazine were investigated via temperature dependence of vapor pressure using the transpiration method. Thermophysical study of fusion processes of the molecular crystals was carried out and relationships between thermodynamic characteristics of sublimation (fusion) processes and crystal structure parameters were obtained. The influence of various molecular fragments on packing crystal energy was analyzed

Novel Spiro-Derivatives of 1,3-Thiazine Molecular Crystals: Structural and Thermodynamic Aspects

Crystal structures of 10 spiro-derivatives of 1,3-thiazine were determined by X-ray diffraction technique. Molecular conformational states, packing architecture, and hydrogen bond networks were studied using graph set notations. Selected compounds were grouped within two classes with chains and dimer crystal structure organization. The sublimation thermodynamic aspects of the spiro-derivatives of 1,3-thiazine were investigated via temperature dependence of vapor pressure using the transpiration method. Thermophysical study of fusion processes of the molecular crystals was carried out and relationships between thermodynamic characteristics of sublimation (fusion) processes and crystal structure parameters were obtained. The influence of various molecular fragments on packing crystal energy was analyzed

Novel Spiro-Derivatives of 1,3-Thiazine Molecular Crystals: Structural and Thermodynamic Aspects

Crystal structures of 10 spiro-derivatives of 1,3-thiazine were determined by X-ray diffraction technique. Molecular conformational states, packing architecture, and hydrogen bond networks were studied using graph set notations. Selected compounds were grouped within two classes with chains and dimer crystal structure organization. The sublimation thermodynamic aspects of the spiro-derivatives of 1,3-thiazine were investigated via temperature dependence of vapor pressure using the transpiration method. Thermophysical study of fusion processes of the molecular crystals was carried out and relationships between thermodynamic characteristics of sublimation (fusion) processes and crystal structure parameters were obtained. The influence of various molecular fragments on packing crystal energy was analyzed

Novel Spiro-Derivatives of 1,3-Thiazine Molecular Crystals: Structural and Thermodynamic Aspects

Crystal structures of 10 spiro-derivatives of 1,3-thiazine were determined by X-ray diffraction technique. Molecular conformational states, packing architecture, and hydrogen bond networks were studied using graph set notations. Selected compounds were grouped within two classes with chains and dimer crystal structure organization. The sublimation thermodynamic aspects of the spiro-derivatives of 1,3-thiazine were investigated via temperature dependence of vapor pressure using the transpiration method. Thermophysical study of fusion processes of the molecular crystals was carried out and relationships between thermodynamic characteristics of sublimation (fusion) processes and crystal structure parameters were obtained. The influence of various molecular fragments on packing crystal energy was analyzed

Novel Spiro-Derivatives of 1,3-Thiazine Molecular Crystals: Structural and Thermodynamic Aspects

Crystal structures of 10 spiro-derivatives of 1,3-thiazine were determined by X-ray diffraction technique. Molecular conformational states, packing architecture, and hydrogen bond networks were studied using graph set notations. Selected compounds were grouped within two classes with chains and dimer crystal structure organization. The sublimation thermodynamic aspects of the spiro-derivatives of 1,3-thiazine were investigated via temperature dependence of vapor pressure using the transpiration method. Thermophysical study of fusion processes of the molecular crystals was carried out and relationships between thermodynamic characteristics of sublimation (fusion) processes and crystal structure parameters were obtained. The influence of various molecular fragments on packing crystal energy was analyzed

Novel 1,2,4-Thiadiazole Derivatives: Crystal Structure, Conformational Analysis, Hydrogen Bond Networks, Calculations, and Thermodynamic Characteristics of Crystal Lattices

The results of X-ray crystallographic and computational studies of twelve 1,2,4-thiadiazole derivatives are reported. The effect of orientation of different parts of the molecules on crystal organization and hydrogen bond network were studied. DFT calculations were carried out in order to explore conformational preferences of the molecules inside and outside of crystal environment. The role of hydrogen bonds was found to be essential for the stabilization of conformationally strained molecules as well as for the packing density of such molecules in a crystal. Thermodynamic aspects of sublimation processes of the studied compounds were analyzed using temperature dependencies of their vapor pressure. Thermophysical characteristics of the molecular crystals were obtained and compared with the sublimation enthalpy and the structural parameters. The influence of crystal structure features on the sublimation enthalpy and on the melting temperature was analyzed

Novel 1,2,4-Thiadiazole Derivatives: Crystal Structure, Conformational Analysis, Hydrogen Bond Networks, Calculations, and Thermodynamic Characteristics of Crystal Lattices

The results of X-ray crystallographic and computational studies of twelve 1,2,4-thiadiazole derivatives are reported. The effect of orientation of different parts of the molecules on crystal organization and hydrogen bond network were studied. DFT calculations were carried out in order to explore conformational preferences of the molecules inside and outside of crystal environment. The role of hydrogen bonds was found to be essential for the stabilization of conformationally strained molecules as well as for the packing density of such molecules in a crystal. Thermodynamic aspects of sublimation processes of the studied compounds were analyzed using temperature dependencies of their vapor pressure. Thermophysical characteristics of the molecular crystals were obtained and compared with the sublimation enthalpy and the structural parameters. The influence of crystal structure features on the sublimation enthalpy and on the melting temperature was analyzed