Miracle-dz/UniFAR-FTUs huggingface dataset:
6-[(2-Hydroxyethyl)amino]-7H-dibenzo[de,h]quinolin-7-one

The title compound, C18H14N2O2, is a new oxoisoaporphine derivative synthesized by alkylation of 6-chloro-1-azabenzanthrone. The oxoisoaporphine fragment deviates significantly from planarity with a dihedral angle of 5.1 (1)° between the heterocycle and the remote benzene ring. The amino and oxo groups are involved in an intramolecular N—H⋯O hydrogen bond, while the hydroxy groups form intermolecular O—H⋯N hydrogen bonds, which link pairs of molecules into inversion dimers. In the dimer, two approximately parallel oxoisoaporphine fragments exhibit π–π interactions between the aromatic rings, the shortest centroid–centroid distance being 3.649 (3) Å.
2-Amino-4-(4-chlorophenyl)-5,6,7,8,9,10-hexahydrobenzo[8]annulene-1,3-dicarbonitrile

In the title compound, C20H18ClN3, the cyclooctene ring exhibits conformational disorder of two methylene groups with a site-occupation factor of 0.859 (6) for the major occupied site. In the crystal, molecules are connected into inversion dimers via pairs of weak N—H⋯N hydrogen bonds, forming an R 2 2(12) graph-set motif. These dimers are further connected via weak N—H⋯Cl interactions into chains running along [011]. There are also C—H⋯N interactions present in the crystal.
1-(12-Azido-n-dodecyl)-4-[(1,5-dibenzyl-2,4-dioxo-2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-3-yl)methyl]-1H-1,2,3-triazole

The reaction of 1,5-dibenzyl-3-propargyl-1,5-benzodiazepine-2,4-dione with 1,12-diazido-n-dodecane in the presence of catalysts leads to the formation of the title compound, C38H46N8O2. The seven-membered diazepinyl ring adopts a boat conformation with the azidododecyltriazolylmethyl-bearing C atom as the prow and the fused-ring C atoms as the stern. The octyltriazolylmethyl substituent occupies an axial position.
5,5′-Bis(naphthalen-2-yl)-2,2′-bi(1,3,4-oxadiazole)

The title molecule, C24H14N4O2, lies on an inversion centre and the asymmetric unit containg one half-molecule. The naphthalene ring systems are twisted slightly with respect to the oxadiazole rings, making a dihedral angle of 1.36 (6)°. These molecules are π-stacked along the crystallographic a axis, with an interplanar distance of 3.337 (1) Å. Adjacent molecules are slipped from the ‘ideal’ cofacial π-stack in both the long and short molecular axis (the long molecular axis is defined as the line through the naphthalene C atom in the 6-position and the molecular center, the short molecular axis is in the molecular plane perpendicular to it). The slip distance along the long molecular axis (S 1) is 7.064 (1) Å, nearly a two-ring-length displacement. The side slip (S 2, along the short molecular axis) is 1.159 (8) Å.
Poly[(μ5-3,5-dinitrobenzoato)rubidium]

The asymmetric unit of the title compound, [Rb(C7H3N2O6)]n, comprises an Rb cation and a 3,5-dinitrobenzoate anion. The Rb cation is eight-coordinated by O atoms from five 3,5-dinitrobenzoate anions. On the other hand, each 3,5-dinitrobenzoate anion links five Rb cations with the carboxylate groups as μ3-bridging. The metal atom is firstly linked by the carboxylate groups into a chain along the c-axis direction, which is further linked by bonds between the Rb and nitro O atoms, giving a three-dimensional framework.
1,1′,1′′-{[4-(3,4-Ethylenedioxythiophen-2-yl)phenyl]methanetriyl}tris(1H-pyrazole)

In the title complex, C22H18N6O2S, two of the pyrazole rings are disordered over two sets of sites with ratios of refined occupancies of 0.58 (2):0.42 (2) and 0.517 (12):0.483 (12). The dioxane ring is in a half-chair conformation and the two –CH2– groups of this ring are disordered over two sets of sites, the ratio of refined occupancies being 0.855 (19):0.145 (19). The essentially planar thiophene ring [largest deviation = 0.0444 (2) Å] forms a dihedral angle of 19.59 (3)° with the benzene ring.
1-Oxoisoindoline-2-carboxamide

The title molecule, C9H8N2O2, is essentially planar. The crystal structure is stabilized by hydrogen bonding. An intramolecular N—H⋯O hydrogen bond results in a six-membered ring. Each molecule interacts with two others through N—H⋯O and C—H⋯O hydrogen bonding, resulting in the formation of nine-membered rings. These hydrogen bonds generate a two-dimensional polymeric network. There are also π–π interactions between the aromatic and heterocyclic rings [centroid–centroid distance 3.638 (2) Å].
Poly[di-μ-aqua-μ4-(pyrazine-2,5-dicarboxylato)-dilithium(I)]

In the title coordination polymer, [Li2(C6H2N2O2)(H2O)2]n the pyrazine-2,5-dicarboxylate dianionic ligand bridges two symmetry-independent Li+ ions using both its N,O-chelating sites. The carboxylate O atom of one of them also bridges to another Li+ ion, while the second O atom of this group is bonded to another Li+ ion. Two symmetry-independent water O atoms participate also in the bridging system, which gives rise to a polymeric three-dimensional framework. Both Li+ ions show distorted trigonal–bipyramidal LiNO4 coordination geometries, with the N atom in an axial site in both cases. The packing is consolidated by O—H⋯O hydrogen bonds, which occur between water molecules as donors and carboxylate O atoms as acceptors.
3β-Chloro-N-methoxy-N-methylcholest-5-ene-24-carboxamide

The title compound, C26H42ClNO2, is a 3β-chloro steroid with a Weinreb amide at the C-24 position. The two cyclohexane and the cyclohexene rings adopt chair and boat conformations, respectively. The cyclopentane ring has an envelope conformation.
Public Funding for Family Planning, Sterilization and

supporting the provision of contraceptive drugs and devices, client counseling and education, and tests and treatment, including for STIs. n Medicaid accounted f or 75% of the total, whereas state-only sources accounted for 12% and Title X accounted for 10%. n T otal public funding rose 31% from FY 1980 to FY 2010, adjusted for inflation, with almost all of the increase coming from Medicaid. Title X expenditures fell 71%. n P ublic spending on sterilization services totaled $93 million, 95% of which was through Medicaid. n T he states spent $68 million on about 181,000 abortion procedures for low-income women in FY 2010, almost all of it in the 17 states that use their own funds to pay for most or all medically necessary abortions provided to Medicaid recipients. The federal government, which restricts funding to cases of life endangerment, rape and incest, contributed to the cost of only 331 of those procedures.
Bis[bis(3,5-dimethyl-1H-pyrazol-1-yl)borato]cobalt(II)

The asymmetric unit of the title compound, [Co(C10H16BN4)2], comprises one unit of the complex. The geometry around the CoII ion is a distorted tetrahedron. The dihedral angles between the pyrazole rings in the two ligands are 47.19 (15) and 47.20 (16)°, while that between the coordination planes is 79.77 (7)°.
1,5-Dimethyl-4-[(5-methyl-2-furyl)methyleneamino]-2-phenyl-1H-pyrazol-3(2H)-one

In the title compound, C17H17N3O2, a derivative of 4-aminoantipyrine, the structure displays a trans configuration with respect to the imine C=N double bond. The pyrazoline ring is essentially planar and makes a dihedral angle of 55.80 (1)° with the phenyl ring.
1,1,3-Trimethyl-3-(4-nitrophenyl)indane

In the title compound, C18H19NO2, the five-membered ring of the indane fragment adopts an envelope conformation, with the unsubstituted C atom, acting as the flap atom, deviating by 0.412 (3) Å from the plane through the remaining four atoms. The dihedral angle between the nitrophenyl ring and the indane benzene ring is 72.5 (1)°. The distances from the two O atoms to the plane of the adjacent benzene ring are 0.113 (4) and 0.064 (4) Å.
2-[4-(2-Hydroxypropan-2-yl)-1H-1,2,3-triazol-1-yl]phenol

In the title compound, C11H13N3O2, the 1,2,3-triazole ring and the phenol ring form a dihedral angle of 55.46 (5)°. In the crystal, inversion-related molecules associate through pairs of hydroxy–phenol O—H⋯O hydrogen bonds, giving centrosymmetric cyclic dimers [graph set R 2 2(18)]. These dimers are linked into infinite chains along [001], giving an overall two-dimensional network structure parallel to the bc plane through hydroxy O—H⋯N and triazole C—H⋯N hydrogen bonds.
{μ-6,6′-Dimethoxy-2,2′-[cyclohexane-1,2-diylbis(nitrilomethylidyne)]diphenolato}trinitratocopper(II)lutetium(III)

In the title dinuclear CuII–LuIII salen-type complex, [CuLu(C22H24N2O4)(NO3)3], with the ligand 6,6′-dimethoxy-2,2′-[cyclohexane-1,2-diylbis(nitrilomethylidyne)]diphenolate, the irregular nine-coordinate LuIII coordination sphere comprises four O atoms from the ligand and five O atoms from three nitrate groups, two bidentate and one monodentate [Lu—O = 2.230 (3)–2.621 (4) Å]. The slightly distorted square-planar four-coordinate CuII atom comprises two imine N atoms [Cu—N = 1.903 (4) and 1.912 (4) Å] and two phenolate O atoms from the ligand molecule [Cu—O = 1.897 (3) and 1.906 (3) Å]. All atoms of the cyclohexane ring of the ligand molecule are disordered over two sets of sites with equal occupancy.
(4S)-3-Methyl-5,6,7,8-tetrahydro-4H-spiro[[1,2]oxazolo[5,4-b]quinoline-4,3′-indole]-2′,5-dione

In the title compound, C18H15N3O3, the dihedral angle between the mean planes of the quinoline and indole ring systems [r.m.s. deviations = 0.189 (2) and 0.027 (2) Å, respectively] is 88.65 (5)°. The cyclohexene ring of the quinoline ring system adopts an envelope conformation with the central –CH2– C atom as the flap. In the crystal, molecules are linked by two pairs of N—H⋯O hydrogen bonds, forming inversion dimers, and enclosing R 2 2(14) ring motifs. This arrangement results in the formation of chains propagating along [100].
4,4′-Dimethyl-2,2′-{[2,3,3a,4,5,6,7,7a-octahydro-1H-benzimidazole-1,3-diyl]bis(methylene)}diphenol

The asymmetric unit of the title compound, C23H30N2O2, contains one half-molecule, with a twofold axis splitting the molecule in two identical halves. The structure of the racemic mixture has been reported previously [Rivera et al. (2009 ▶) J. Chem. Crystallogr. 39, 827–830] but the enantiomer reported here crystallized in the orthorhombic space group P21212 (Z = 2), whereas the racemate occurs in the triclinic space group P-1 (Z = 2). The observed molecular conformation is stabilized by two intramolecular O—H⋯N hydrogen bonds, which generate rings with graph-set motif S(6). In the crystal, molecules are linked via non-classical C—H⋯O interactions, which stack the molecules along the b axis.
(E)-2-Cyano-N′-(1,2,3,4-tetrahydronaphthalen-1-ylidene)acetohydrazide

In the title compound, C13H13N3O, the tetrahydrobenzene ring adopts a half-boat (envelope) conformation. The mean plane of the tetrahydronaphthalene ring system forms a dihedral angle of 9.56 (6)° with the mean plane of the cyanoacetohydrazide group. In the crystal, inversion dimers linked by pairs of N—H⋯O hydrogen bonds generate R 2 2(8) loops. The dimers are connected by C—H⋯N hydrogen bonds into a chain propagating along [101]. The crystal packing also features C—H⋯π interactions.
8-Chloro-2-methylquinoline

In the title compound, C10H8ClN, the crystal packing shows π–π stacking between the heterocyclic ring and the aromatic ring, with a centroid–centroid distance of 3.819 Å. The crystal studied was a racemic twin, the ratio of the twin components being 0.65 (7):0.35 (7).
8-Thia-1,6-diazabicyclo[4.3.0]nonane-7,9-dione

There are two independent molecules, A and B, in the asymmetric unit of the title compound, C6H8N2O2S. In the crystal, pairs of intermolecular S⋯O contacts [3.286 (1) Å] link the B molecules into inversion dimers.
(E)-4-Allyl-2-[(2-hydroxyphenyl)iminiomethyl]-6-methoxyphenolate

The title compound, C17H17NO3, crystallizes in a zwitterionic form with cationic iminium and anionic enolate groups. The zwitterion exists in a trans configuration about the C=N bond. The dihedral angle between the two benzene rings is 13.42 (7)°. The methoxy group is almost coplanar [C—O—C—C = 2.1 (2)°] with the attached ring whereas the allyl unit is oriented at a dihedral angle of 67.9 (1)°. An intramolecular N—H⋯O hydrogen bond generates an S(6) ring motif. In the crystal, the molecules are linked into zigzag chains along [010] by O—H⋯O hydrogen bonds. In addition, weak C—H⋯π interactions are observed.
4-hydroxymethyl-1-(2',3',4',6'-tetra-O-acetyl-b-D-glucopyranosyl)-1,2,3-triazole.

The structure of the title compound, C17H23N3O10, (2), has been determined as part of our investigation into the synthetic utility of the glucosyl triazole unit in carbohydrate chemistry. Compound (2) was synthesized by the 1,3-dipolar cyclo­addition reaction of propargyl alcohol with 2,3,4,6-tetra-O-acetyl-β-d-glucopyranosyl azide under conditions which afforded (2) exclusively with complete retention of anomeric stereochemistry. The six-membered carbohydrate ring adopts a chair conformation. The non-H substituents are located in equatorial positions.
3-(4-Fluorophenyl)-1-[1′-(4-fluorophenyl)-2-oxo-5′,6′,7′,7a′-tetrahydro-1H-indole-3(2H)-spiro-3′(2′H)-1H′-pyrrolizin-2′-yl]prop-2-en-1-one

In the title compound, C29H24F2N2O2, one of the pyrrolidine rings of the pyrrolizine system is disordered over two sites, with occupancy factors 0.734:0.266 (12). Both components of the disordered pyrrolidine ring adopt envelope conformations, whereas the other pyrrolidine ring adopts a twist conformation. The molecules are linked into centrosymmetric dimers by N—H⋯O hydrogen bonds and the dimers are connected via C—H⋯π interactions. The crystal structure is also stabilized by intermolecular C—H⋯F hydrogen bonds.
(R)-(−)-Quinuclidin-3-ol

The structure of the title compound [alternatively called (R)-(−)-1-azabicyclo[2.2. 2]octan-3-ol], C7H13NO, at 100 K has hexagonal (P61) symmetry. The structure shows a twist along the C—N pseudo-threefold axis. In the crystal, molecules are linked via O—H⋯N hydrogen bonds, forming infinite chains along the c-axis direction. The crystal studied was twinned by merohedry (twin law: 010, 100, 00-1; population: 0.925:0.075)
(3,5-Dimethyl-1H-pyrazol-1-yl){3-[(3,5-dimethyl-1H-pyrazol-1-yl)carbonyl]-5-methylindolizin-1-yl}methanone

There are two independent molecules in the asymmetric unit of the title compound, C21H21N5O2. In each molecule, the indolizine ring system is essentially planar, with r.m.s. deviations of 0.030 and 0.028 Å. The dihedral angles between the indolizine ring system and the pyrazole rings are 54.7 (3) and 8.6 (3)° in one molecule and 54.4 (3) and 6.6 (3)° in the other. In the crystal, weak C—H⋯O and C—H⋯N hydrogen bonds link molecules, forming a two-dimensional network parallel to (100).
5-Methyl-3,3-bis(morpholin-4-yl)-1-[2-(morpholin-4-yl)ethyl]-2,3-dihydro-1H-indol-2-one

In the title compound, C23H34N4O4, the morpholine rings adopt chair conformations. The N atom of the indol-2-one group is linked to the N atom of one morpholine ring through a flexible ethyl group with an almost cif conformation. In the crystal, molecules are linked by C—H⋯O interactions into infinite chains along the c direction. The almost parallel infinite chains are further interconnected via other sets of C—H⋯O interactions, forming a three-dimensional framework.
(Z)-2-(5-Acetyl-4-methyl-3-phenyl-2,3-dihydro-1,3-thiazol-2-ylidene)-3-(3-methyl-1-benzofuran-2-yl)-3-oxopropanenitrile

In the title compound, C24H18N2O3S, the benzofuran ring system (r.m.s. deviation = 0.010 Å) forms dihedral angles of 83.13 (17) and 8.92 (14)° with the benzene and thiazole rings, respectively. The dihedral angle between the benzene and thiazole rings is 84.51 (19)°. The molecular structure features an intramolecular C—H⋯O hydrogen bond, which closes an S(6) ring. There are no intermolecular hydrogen bonds observed in this structure.
6-Nitro-1-deaza­purine

The title compound, C6H4N4O2, is a potential nucleobase surrogate. In the crystal structure, mol­ecules are linked by inter­molecular N—H⋯N hydrogen bonds [H⋯N = 1.88 (3) A] to form one-dimensional chains in the b-axis direction.
4-Methyl-2,6-bis(pyrrolidin-1-yl)pyrimidine

In the crystal of the title compound, C13H20N4, the molecule is nearly planar, the dihedral angles between the pyrimidine and the two pyrrolidine rings being 4.71 (2) and 4.50 (2)°. The crystal features inversion-related dimers linked by pairs of C—H⋯N hydrogen bonds generating R 2 2(16) patterns. The dimeric units are further linked into C(6) chains via an additional C—H⋯N hydrogen bond.
2-(1-Ethyl-5-methoxy-1H-indol-3-yl)-N-isopropyl-2-oxoacetamide

In the title compound, C16H20N2O3, the crystal packing is stabilized by weak π–π stacking interactions [centroid–centroid distances = 3.577 (9) and 3.693 (9) Å] and intermolecular C—H⋯O and N—H⋯O hydrogen-bond interactions. The C atoms of the N-isopropyl group are disordered over two sets of sites with occupancies of 0.61(3) and 0.39(3).
1-[2-(4-Nitrophenyl)-5-(5-phenyl-1,2-oxazol-3-yl)-1,2,3,4-tetrahydroquinolin-4-yl]pyrrolidin-2-one

The title compound, (I) C28H24N4O4, is the trans diastereoisomer of the compound 1-[2-(4-nitrophenyl)-6-(5-phenyl-3-isoxazolyl)-1,2,3,4-tetrahydro-4-quinolinyl]-2-pyrrolidinone monohydrate, (II) [Gutierrez et al. (2011 ▶). Acta Cryst. E67, o175–o176]. The most obvious differences between the diastereoisomers are the dihedral angles between the isoxazole ring and the benzene and phenyl rings [47.0 (2); 56.4 (2) and 33.3 (2); 11.0 (2)°, respectively, for (II) 75.4 (2) and 5.8 (3), respectively, for (I)]. In the crystal of (I), the molecules are linked by N—H⋯O interactions into a chain along [001] with graph-set notation C(8).
3-(9H-Fluoren-9-yl)-1,3-diphenylpropan-1-one

In the title compound, C28H22O, the fluorene ring system is approximately planar [maximum deviation = 0.044 (2) Å] and forms dihedral angles of 69.88 (6) and 89.46 (6)° with the phenyl rings. The crystal packing is stabilized by weak π–π stacking interactions, with centroid–centroid distances of 3.7172 (13) and 3.7827 (11) Å.
1,4-Bis(pyridin-3-ylmethoxy)benzene

The asymmetric unit of the centrosymmetric title compound, C18H16N2O2, contains one half-molecule. The central benzene ring forms a dihedral angle of 66.8 (1)° with two outer aromatic rings. In the crystal structure, weak intermolecular C—H⋯N hydrogen bonds link molecules into sheets parallel to (104).
(±)-3-(5-Amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)-2-benzofuran-1(3H)-one

In the title compound, C18H15N3O2, the benzofuran ring system is essentially planar, the rings making a dihedral angle of 0.57 (9)°. The phenyl, furan and benzene rings subtend dihedral angles of 47.07 (10), 85.76 (7) and 86.04 (7)°, respectively, with the pyrazole ring. In the crystal, molecules are linked by weak N—H⋯N, N—H⋯O and C—H⋯O interactions, generating edge-fused R 4 4(20), and R 1 2(7) rings linked into sheets which are parallel to (010).
Di-μ-aqua-bis{triaqua[5-(1-oxopyridin-4-yl)tetrazol-1-ido]sodium}

In the title compound, [Na2(C6H4N5O)2(H2O)8], the NaI atom is in a distorted octahedral environment defined by six O atoms, one from the 5-(1-oxopyridin-4-yl)tetrazolide anion and five from water molecules. Two water molecules act as bridging ligands, resulting in the formation of dimeric units organized around inversion centers. In the organic anion, the pyridine and tetrazole rings are nearly coplanar, forming a dihedral angle of 4.62 (1)°. The dimeric units and organic anions are connected by O—H⋯O and O—H⋯N hydrogen bonds, leading to the formation of a three-dimensional network.
2-Methoxybenzohydrazide

The title compound, C8H10N2O2, crystallizes as two independent molecules linked by N—H⋯N and N—H⋯O hydrogen bonds into a linear chain running along the a axis of the monoclinic unit cell. The intra- and intermolecular hydrogen bonds are described as a two-ring R 2 2(10) motif. The six-membered R 1 1(6) rings formed by the intramolecular interactions are almost planar (r.m.s. deviations 0.06 and 0.08 Å). In one molecule, the aromatic and hydrogen-bonded rings are oriented at 4.8 (2)°, whereas in the other molecule these rings are oriented at 6.1 (4)°.
6-Bromo-1-butylindoline-2,3-dione

There are two independent molecules in the asymmetric unit of the title compound, C12H12BrNO2. The C—C bond lengths of the two carbonyl C atoms of the five-membered rings are distinctly longer than a normal Csp 2—Csp 2 single bond. One of the molecules makes parallel self-coupled (inversion) dimers by π–π interactions with phenyl–phenyl interplanar distances of 3.403 (2) Å. The other molecule also forms self-dimers at longer phenyl–phenyl plane distances [3.649 (2) Å]. In the crystal, a C—H⋯O interaction is seen.
(Dodecafluorosubphthalocyaninato)(4-methylphenolato)boron(III)

In the title compound, C31H7BF12N6O, molecules are arranged into one-dimensional columns with an intermolecular B⋯B distance of 5.3176 (8) Å. Bowl-shaped molecules are arranged within the columns in a concave bowl-to-ligand arrangement separated by a ring centroid distance of 3.532 (2) Å between the benzene ring of the 4-methylphenoxy ligand and one of the three five-membered rings of a symmetry-related molecule.
Dibromido(4,7-diazadecane-1,10-diamine)copper(II)

In the title compound, [CuBr2(C8H22N4)], the CuII atom is six-coordinate forming a distorted octahedral complex and is bonded to two axial bromide anions and four equatorial nitrogen donors. The equatorial Cu—N bond distances range from 2.005 (8) to 2.046 (8) Å while the axial Cu—Br distances are 2.8616 (17) and 2.9402 (17) Å, thus the six-coordinate Cu complex shows the usual Jahn–Teller distortion. All amine hydrogen atoms participate in either inter- or intramolecular hydrogen bonding to the Br anions.
4-(4-Difluoromethoxyphenyl)-1,2,3,4,5,6,7,8-octahydroquinazoline-2,5-dione

The title compound, C15H14F2N2O3, was obtained in a one-pot three-component reaction from 4-(difluoro­meth­oxy)benzaldehyde, cyclo­hexane-1,3-dione and urea, with a catalytic amount of p-toluene­sulfonic acid. The 4-(difluoro­meth­oxy)phenyl ring is positioned axially, perpendicular to, and bis­ecting the six-membered heterocyclic ring. The heterocyclic ring adopts a puckered boat conformation, whereas the cyclo­hexene ring is in a half-chair conformation. The mol­ecules are linked by N—H⋯O, C—H⋯O, N—H⋯F and C—H⋯F inter­molecular hydrogen bonds.
2-{[4-(Phenyldiazenyl)phenyl]iminomethyl}phenol

The molecule of the title compound, C19H15N3O, is approximately planar and displays a trans configuration with respect to the C=N and N=N double bonds. An intramolecular O—H⋯N hydrogen bond generates an S(6) ring motif. The dihedral angles between the hydroxyphenyl ring and the phenyl and benzene rings are 4.31 (8) and 6.60 (8)°, respectively. The dihedral angle between the phenyl and benzene rings linked by the azo group is 2.70 (8)°. The imino group is coplanar with the hydroxyphenyl ring, as shown by the C—C—C—N torsion angle of −1.8 (2)°. The azo group is disordered over two position with refined site-occupancy factors of ca 0.87/0.13. In the crystal structure, molecules are linked together by intermolecular C—H⋯O interactions along the c axis and also are packed as one-dimensional extended chains down the b axis.
4-Chloro-1H-pyrrolo[2,3-d]pyrimidine

The title compound, C6H4ClN3, is essentially planar with the pyrrole and pyrimidine rings inclined to one another by 0.79 (15)°. In the crystal, molecules are connected via pairs of N—H⋯N hydrogen bonds, forming inversion dimers. These dimers are linked via C—H⋯N interactions, forming a two-dimensional network parallel to (10-1).
(E)-5-Phenyl-N′-(1-phenylethylidene)-1H-pyrazole-3-carbohydrazide

In the molecule of the title compound, C18H16N4O, the intramolecular N—H⋯N hydrogen bond results in the formation of a planar five-membered ring, which is also co-planar with the adjacent five-membered ring, being oriented at a dihedral angle of 1.23 (3)°. The dihedral angles formed by the planar pyrazole ring with the adjacent phenyl ring and the other phenyl ring are 7.29 and 11.21°, respectively. The dihedral angle between the two phenyl rings is 18.07°. In the crystal structure, intermolecular N—H⋯O hydrogen bonds link the molecules.