N-(3-Chloro­benzo­yl)-2-nitro­benzene­sulfonamide

In the title compound, C13H9ClN2O5S, the N—C bond in the C—SO2—NH—C segment has a gauche torsion with respect to the S=O bonds. The conformation between the N—H bond and the ortho-nitro group in the sulfonyl benzene ring is syn, and that between the C=O and the meta-Cl atom in the benzoyl ring is anti. The mol­ecule is twisted at the S—N bond, with a torsion angle of 65.41 (38)°. The dihedral angle between the sulfonyl benzene ring and the –SO2—NH—C—O segment is 75.0 (1)°, and that between the sulfonyl and the benzoyl benzene ring is 89.1 (1)°. The crystal structure features inversion-related dimers linked by pairs of N—H⋯O(S) hydrogen bonds

(4-But­oxy­phen­yl)(1H-pyrrol-2-yl)methanone

The asymmetric unit of the title compound, C15H17NO2, contains two independent mol­ecules in which the dihedral angles between the pyrrole and benzene rings are 42.43 (9) and 45.70 (9)°. In both mol­ecules, the but­oxy chains are disordered over two sets of sites, with occupancy ratios of 0.701 (7):0.299 (7) and 0.869 (4):0.131 (4). Each mol­ecule forms a dimer with an inversion-related mol­ecule, through a pair of N—H⋯O hydrogen bonds. Weak C—H⋯O inter­actions link these dimers in the crystal structure

4-Chloro-N-(3-methyl­benzo­yl)benzene­sulfonamide monohydrate

In the title compound, C14H12ClNO3S·H2O, the dihedral angle between the sulfonyl and benzoyl benzene rings is 84.4 (2)°. In the crystal, every water mol­ecule forms four hydrogen bonds with three different mol­ecules of 4-chloro-N-(3-methyl­benzo­yl)benzene­sulfonamide. One of the water H atoms forms a bifurcated hydrogen bond with both the sulfonyl and the carbonyl O atoms of the same mol­ecule. Mol­ecules are linked into layers in the ab plane through N—H⋯O and O—H⋯O hydrogen bonds

Nations within a nation: variations in epidemiological transition across the states of India, 1990–2016 in the Global Burden of Disease Study

18% of the world's population lives in India, and many states of India have populations similar to those of large countries. Action to effectively improve population health in India requires availability of reliable and comprehensive state-level estimates of disease burden and risk factors over time. Such comprehensive estimates have not been available so far for all major diseases and risk factors. Thus, we aimed to estimate the disease burden and risk factors in every state of India as part of the Global Burden of Disease (GBD) Study 2016

(4-Fluorophenyl)(1H-pyrrol-2-yl)methanone

In the title molecule, C11H8FNO, the dihedral angle between the pyrrole and benzene rings is 49.16 (6)°. In the crystal, adjacent molecules are linked by pairs of N—H...O hydrogen bonds, forming inversion dimers

Crystal structures of 2-aminopyridine citric acid salts: C5H7N2+·C6H7O7− and 3C5H7N2+·C6H5O73−

2-Aminopyridine and citric acid mixed in 1:1 and 3:1 ratios in ethanol yielded crystals of two 2-aminopyridinium citrate salts, viz. C5H7N2+·C6H7O7− (I) (systematic name: 2-aminopyridin-1-ium 3-carboxy-2-carboxymethyl-2-hydroxypropanoate), and 3C5H7N2+·C6H5O73− (II) [systematic name: tris(2-aminopyridin-1-ium) 2-hydroxypropane-1,2,3-tricarboxylate]. The supramolecular synthons present are analysed and their effect upon the crystal packing is presented in the context of crystal engineering. Salt I is formed by the protonation of the pyridine N atom and deprotonation of the central carboxylic group of citric acid, while in II all three carboxylic groups of the acid are deprotonated and the charges are compensated for by three 2-aminopyridinium cations. In both structures, a complex supramolecular three-dimensional architecture is formed. In I, the supramolecular aggregation results from Namino—H...Oacid, Oacid...H—Oacid, Oalcohol—H...Oacid, Namino—H...Oalcohol, Npy—H...Oalcohol and Car—H...Oacid interactions. The molecular conformation of the citrate ion (CA3−) in II is stabilized by an intramolecular Oalcohol—H...Oacid hydrogen bond that encloses an S(6) ring motif. The complex three-dimensional structure of II features Namino—H...Oacid, Npy—H...Oacid and several Car—H...Oacid hydrogen bonds. In the crystal of I, the common charge-assisted 2-aminopyridinium–carboxylate heterosynthon exhibited in many 2-aminopyridinium carboxylates is not observed, instead chains of N—H...O hydrogen bonds and hetero O—H...O dimers are formed. In the crystal of II, the 2-aminopyridinium–carboxylate heterosynthon is sustained, while hetero O—H...O dimers are not observed. The crystal structures of both salts display a variety of hydrogen bonds as almost all of the hydrogen-bond donors and acceptors present are involved in hydrogen bonding

N-(3-Methoxybenzoyl)-2-methylbenzenesulfonamide

In the title compound, C15H15NO4S, the dihedral angle between the methyl- and methoxy-substituted benzene rings is 88.99 (12)°. An intramolecular C—H...O hydrogen bond occurs. In the crystal, adjacent molecules form inversion-related dimers through strong N—H...O hydrogen bonds, generating R22(8) loops. The dimers are further connected through C—H...O interactions that form C(8) chains parallel to (001). Molecules are also connected through other C—H...O hydrogen bonds along the b axis, forming additional C(8) chains. Two aromatic π–π stacking interactions [centroid–centroid separations = 3.6150 (1) and 3.6837 (1) Å] generate a three-dimensional architecture

Ethyl 5-bromonaphtho[2,1-b]furan-2-carboxylate

In the title compound, C15H11BrO3, the dihedral angle between the naphthofuran ring system (r.m.s. deviation = 0.022 Å) and the side chain is 4.50 (2)°. In the crystal, short Br...Br [3.4435 (7) Å] contacts propagating along [010] in a zigzag manner and weak π–π interactions [shortest centroid–centroid separation = 3.573 (2) Å] directedalong [100] are observed