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Diisopropyl-ammonium nitrite.

ABSTRACT: In the title mol-ecular salt, C(6)H(16)N(+)·NO(2) (-), the cation forms two N-H⋯O hydrogen bonds to nearby nitrite anions which link the ionic units into chains propagating along the b-axis direction.

SUBMITTER: Wang YC

PROVIDER: S-EPMC3343956 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Diisopropyl-ammonium methane-sulfonate.

Project description:The title molecular salt, C(6)H(16)N(+)·CH(3)SO(3) (-), has been determined at 150?K. Two diisopropyl-ammonium cations (dipH) and two anions form N-H?O hydrogen-bonded cyclic dimers lying around centers of symmetry. Only two of the three O atoms of the methane-sulfonate anion are involved in hydrogen bonding, resulting in slightly longer S-O bond lengths. The title structure represents an example of a sulfonate anion that is part of a hydrogen-bonding R(4) (4)(12) graph-set motif, which is well known for related dipH acetates. Additionally, the Raman and the IR spectroscopic data for the title compound are presented.

| S-EPMC3213604 | biostudies-literature

Diisopropyl-ammonium thio-cyanate.

Project description:In the title mol-ecular salt, C(6)H(16)N(+)·NCS(-), the cation possesses approximate local twofold rotation symmetry. One of its NH atoms forms a hydrogen bond to a thio-cyanate N atom and the other to a thio-cyanate S atom. This results in [001] chains of alternating cations and anions.

| S-EPMC3297940 | biostudies-literature

Tris(diisopropyl-ammonium) hydrogensulfate sulfate.

Project description:The cations and anions of the title salt, 3C(6)H(16)N(+)·HSO(4) (-)·SO(4) (2-), are linked by N-H⋯O and O-H⋯O hydrogen bonds into a three-dimensional network. The hydrogensulfate ion, with a single S-O(H) bond of 1.563 (2) Å, forms a short O-H⋯O hydrogen bond [O⋯O = 2.609 (2) Å] to the sulfate ion. The hydrogensulfate ion accepts two hydrogen bonds from two cations, whereas the sulfate ion, as an acceptor, binds to four cations. The sulfate ion is disordered approximately equally over two sites related by rotation around one of the O-S bonds.

| S-EPMC2962186 | biostudies-literature

Diisopropyl-ammonium hydrogen phenyl-phospho-nate.

Project description:In the title salt, [(CH(3))(2)CH](2)NH(2)](+)·[C(6)H(5)PO(2)(OH)](-), the anions are linked by pairs of O-H?O hydrogen bonds, forming inversion dimers. These dimers are bridged by the cations via N-H?O hydrogen bonds, leading to a three-dimensional structure.

| S-EPMC3515184 | biostudies-literature

Bis(diisopropyl-ammonium) tetra-chloridocuprate(II).

Project description:In the title mol-ecular salt, (C(6)H(16)N)(2)[CuCl(4)], the Cu(II) ion adopts an extremely distorted tetra-hedral coordination geometry. All the ammonium H atoms are involved in N-H?Cl hydrogen bonds, which serve to link the cations and anions into chains propagating along the c-axis direction.

| S-EPMC3297241 | biostudies-literature

Diisopropyl-ammonium 4-meth-oxy-benzoate.

Project description:In the crystal structure of the title compound, C(6)H(16)N(+)·C(8)H(7)O(3) (-), inter-molecular N-H?O hydrogen bonds link the cations and anions into arrangements consisting of two cations and two anions each.

| S-EPMC3152061 | biostudies-literature

Bis(diisopropyl-ammonium) naphthalene-1,5-disulfonate.

Project description:In the title compound, 2C(6)H(16)N(+)·C(10)H(6)O(6)S(2) (2-), the cations and anions are associated via N-H⋯O and C-H⋯O hydrogen-bonding inter-actions.

| S-EPMC3247441 | biostudies-literature

Diisopropyl-ammonium 3,5,6-trichloro-pyridin-2-olate.

Project description:In the title salt, C(6)H(16)N(+)·C(5)HCl(3)NO(-), the cation links to the anion, which is almost planar, through an N-H⋯O hydrogen bond. Inter-molecular hydrogen bonds link two cations and two anions into a centrosymmetric cluster. The atoms involved in the hydrogen bonding form a planar octa-gonal arrangement in the crystal structure.

| S-EPMC2960274 | biostudies-literature

Bis(diisopropyl-ammonium) hexa-chlorido-stannate(IV).

Project description:The title compound, (C(6)H(16)N)(2)[SnCl(6)], crystallizes with one diisopropyl-ammonium cation lying on a general position and the hexa-chloridostannate(IV) anion about a centre of inversion. The [SnCl(6)](2-) anion undergoes a slight distortion from octa-hedral symmetry as the result of the formation of four unforked charge-supported N-H⋯Cl hydrogen bonds. The hydrogen bonds between the cations and anions form layers perpendicular to [101]. These layers are built by 24-membered rings which can be classified with an R(8) (8)(24) graph-set descriptor. According to this hydrogen-bonding motif, the title compound is isostructural with (C(6)H(16)N)(2)[IrCl(6)].

| S-EPMC3515144 | biostudies-literature

Simultaneous nitrite-dependent anaerobic methane and ammonium oxidation processes.

Project description:Nitrite-dependent anaerobic oxidation of methane (n-damo) and ammonium (anammox) are two recently discovered processes in the nitrogen cycle that are catalyzed by n-damo bacteria, including "Candidatus Methylomirabilis oxyfera," and anammox bacteria, respectively. The feasibility of coculturing anammox and n-damo bacteria is important for implementation in wastewater treatment systems that contain substantial amounts of both methane and ammonium. Here we tested this possible coexistence experimentally. To obtain such a coculture, ammonium was fed to a stable enrichment culture of n-damo bacteria that still contained some residual anammox bacteria. The ammonium supplied to the reactor was consumed rapidly and could be gradually increased from 1 to 20 mM/day. The enriched coculture was monitored by fluorescence in situ hybridization and 16S rRNA and pmoA gene clone libraries and activity measurements. After 161 days, a coculture with about equal amounts of n-damo and anammox bacteria was established that converted nitrite at a rate of 0.1 kg-N/m(3)/day (17.2 mmol day(-1)). This indicated that the application of such a coculture for nitrogen removal may be feasible in the near future.

| S-EPMC3187098 | biostudies-literature

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