Kazuma Gotoh

The use of graphite oxide to produce mesoporous carbon supporting Pt, Ru, or Pd nanoparticles (2009)

Gotoh, Kazuma, Kawabata, Koji, Fujii, Eiji, Morishige, Kunimitsu, Kinumoto, Taro, Miyazaki, Yuki, ...

Mesoporous carbon having platinum, ruthenium or palladium nanoparticles on exfoliated graphene sheets were produced from graphite oxide (GO) and metal complexes. The Pt included carbon was made by...

catena-Poly[[[N,N′-bis(3-methoxybenzylidene)ethylenediamine]copper(I)]-μ-thiocyanato-κ2N:S] (2009)

Aliakbar Dehno Khalaji, Hassan Hadadzadeh, Kazuma Gotoh, Hiroyuki Ishida

In the cyrstal structure of the title compound, [Cu(NCS)(C18H20N2O2)]n, the CuI atom is coordinated in a distorted tetrahedral geometry by two imino N atoms from a bidentate chelating Schiff base...

4-Bromo-N-(3,4,5-trimethoxybenzylidene)aniline (2009)

Aliakbar Dehno Khalaji, Matthias Weil, Kazuma Gotoh, Hiroyuki Ishida

The title compound, C16H16BrNO3, adopts an E configuration with respect to the imine C=N bond. The two benzene rings are twisted with respect to each other at an angle of 38.3 (1)°. In the...

2-Carboxypyridinium hydrogen chloranilate (2009)

Kazuma Gotoh, Hirokazu Nagoshi, Hiroyuki Ishida

In the crystal structure of the title salt, C6H6NO2+·C6HCl2O4−, the pyridine ring and the mean plane of the hydrogen chloranilate anion form a dihedral angle of 77.40 (8)°. The...

2-Carboxypyridinium hydrogen chloranilate. Corrigendum (2009)

Youhei Tabuchi, Akiko Takahashi, Kazuma Gotoh, Haruo Akashi, Hiroyuki Ishida

The title and the chemical names of the paper by Tabuchi, Takahashi, Gotoh, Akashi & Ishida [Acta Cryst. (2005), E61, o4215–o4217] are corrected.

Pyridine-3-carbonitrile–chloranilic acid–acetonitrile (2/1/2) (2009)

Kazuma Gotoh, Hiroyuki Ishida

In the crystal structure of the title compound, 2C6H4N2·C6H2Cl2O4·2C2H3N, the two symmetry-related pyridine-3-carbonitrile molecules are linked to either side of a chloranilic acid...

Observation of micropores in hard-carbon using Xe-129 NMR porosimetry (2008)

Gotoh, Kazuma, Ueda, Takahiro, Omi, Hironori, Eguchi, Taro, Maeda, Mariko, Miyahara, Michihisa, ...

The existence of micropores and the change of surface structure in pitch-based hard-carbon in xenon atmosphere were demonstrated using Xe-129 NMR. For high-pressure (4.0 MPa) Xe-129 NMR measurements,...

Redetermination of pyridine-4-carbonitrile–chloranilic acid (1/1) at 180 K (2008)

Kazuma Gotoh, Hirokazu Nagoshi, Hiroyuki Ishida

In the crystal structure of the title compound, C6H4N2·C6H2Cl2O4, two chloranilic acid (systematic name: 2,5-dichloro-3,6-dihydroxy-1,4-benzoquinone) molecules are connected by...

4-Chloro-N-(2-chlorophenyl)benzamide (2008)

Aamer Saeed, Rasheed Ahmad Khera, Kazuma Gotoh, Hiroyuki Ishida

In the molecular structure of the title compound, C13H9Cl2NO, the amide N—C=O plane makes dihedral angles of 31.53 (8) and 36.23 (8)°, respectively, with the 4-chloro- and...

4-Chloro-N-o-tolylbenzamide (2008)

Aamer Saeed, Rasheed Ahmad Khera, Naeem Abbas, Kazuma Gotoh, Hiroyuki Ishida

In the molecule of the title compound, C14H12ClNO, the two benzene rings are close to coplanar [dihedral angle = 7.85 (4)°]. The amide N—C=O plane makes dihedral angles of...

1,2-Diazinium hydrogen chloranilate (2008)

Kazuma Gotoh, Hiroyuki Ishida

In the crystal structure of the title compound, C4H5N2+·C6HCl2O4−, there are three crystallographically independent 1,2-diazinium cations and hydrogen chloranilate anions. The anions are...

3-Fluoro-N-(p-tolyl)benzamide (2008)

Aamer Saeed, Rasheed Ahmad Khera, Kazuma Gotoh, Hiroyuki Ishida

In the crystal structure of the title compound, C14H12FNO, the amide –NHCO– mean plane makes dihedral angles of 28.6 (2) and 37.5 (2)° with the mean planes through the...

3,4,5-Trimethoxybenzohydrazidium chloride (2008)

Aamer Saeed, Amara Mumtaz, Hummera Rafique, Kazuma Gotoh, Hiroyuki Ishida

The title compound, C10H15N2O4+·Cl−, was obtained as an unexpected by-product during the synthesis of 1-[2-(substituted aryl)]-3-methylpyrazol-5-ones. The hydrazide group is essentially...

Redetermination of pyridine-4-carbonitrile–chloranilic acid (1/1) at 180 K (2008)

Kazuma Gotoh, Hirokazu Nagoshi, Hiroyuki Ishida

In the crystal structure of the title compound, C6H4N2·C6H2Cl2O4, two chloranilic acid (systematic name: 2,5-dichloro-3,6-dihydroxy-1,4-benzoquinone) molecules are connected by O—H...O...

Hydrogen bonding in two solid phases of phenazine-chloranilic acid (1/1) determined at 170 and 93 K (2007)

Gotoh, Kazuma, Asaji, Tetsuo, Ishida, Hiroyuki

The crystal structures in two solid phases, i.e., phase II stable between 146 and 253 K and phase IV below 136 K, of the title compound (C12H8N2.C6H2Cl2O4 in phase II and C12H9N2 +.C6HCl2O4− in...

Properties of a novel hard-carbon optimized to large size Lion secondary battery studied by 7Li NMR (2006)

Gotoh, Kazuma, Maeda, Mariko, Nagai, Aisaku, Goto, Atsushi, Tansho, Masataka, Hashi, Kenjiro, ...

The state of lithium in a novel hard-carbon optimized to the anode of large size Li ion secondary battery, which has been recently commercialized, was investigated and compared with other existing...

Cl-35 NQR study of lattice dynamic and magnetic property of a crystalline coordination polymer {CuCA(phz)(H2O)2}n (2005)

Gotoh, Kazuma, Terao, Takeshi, Asaji, Tetsuo

Copper(II) compounds {CuCA(phz)(H2O)2}n (H2CA = chloranilic acid, phz = phenazine) having a layer structure of -CuCA(H2O)2- polymer chains and phenazine was studied by 35Cl nuclear quadrupole...