12) Charge-neutral N–H···Br as a Hydrogen-bond Family for the Construction of Hydrogen-bonded Organic Frameworks
Tatsunari Murakami, Hiroto Kikuya, Shusuke Fujita, Satoshi Sasaki, Tomoyuki Toda, Masanobu Sagisaka, Masaaki Okazaki, Shun Ohta
Inorg. Chem. 2026, In press
The initial version available on ChemRxiv (Link)

11) Configurational Assignment of Epoxides Using HMBC: DFT-Based Development, Experimental Validation, Scope, and Limitations
Ryuhi Kanehara, Kako Shirakawa, Hayato Sakashita, Yuki Oinuma, Shun Ohta, Masaaki Okazaki, Kazuaki Tanaka, Akio Tonouchi, Masaru Hashimoto
J. Nat. Prod. 2026, 89, 584–591 (Link)

10) Cis-1,4-specific isoprene polymerization and isoprene-styrene copolymerization using nickel dichloride complexes with mono- or bidentate benzimidazole ligands
Kei Nishii, Masahito Hasumi, Kohei Uyama, Yusho Takashima, Kakeru Tsukahara, Shota Miyata, Seira Tanigawa, Takehito Kato, Yasuyuki Ueda, Tatsunari Murakami, Shun Ohta, Tomoyuki Toda
Chem. Lett. 2026, 55, upaf231 (Link)

9) Vapochromism Induced by Volatile Organic Compounds with Low Coordinating Ability in a Benzimidazole-derived N-Heterocyclic Carbene Ni(II) Complex
Tatsunari Murakami, Atsunobu Masuno, Masaaki Okazaki, Shun Ohta
Inorg. Chem. 2025, 64, 15332–15341 (Featured Article) (Link)
The initial version available on ChemRxiv (Link)
(Highlighted in 読売新聞(Link), 陸奥新報(Link), and マイナビニュース(Link))

8) Guest Exchange as a Synthetic Strategy for Hydrogen-Bonded Organic Frameworks
Shun Ohta, Momo Ishii, Tatsunari Murakami, Masaaki Okazaki
Inorg. Chem. 2025, 64, 10353–10358 (Link)
The initial version available on ChemRxiv (Link)

7) A Zirconium Complex Bearing a [NPN] Tridentate Ligand Composed of Dibenzophosphole and Pyrrolide Moieties: Synthesis, Structure, and Ethylene-Polymerization Ability
Tomoyuki Toda, Yuzuki Kasahara, Jin Iwasaki, Ayana Wakatsuki, Shun Ohta, Yoshihiro Matano, Katsuhiko Takenaka
Organometallics 2025, 44, 128–136 (Link)

6) Synthesis and Polymerization Activity of Phosphine-Pyrrolido [PN] Titanium and Zirconium Complexes
Jin Iwasaki, Tomoyuki Toda, Ayana Wakatsuki, Shun Ohta, Kei Nishii, Yoshihiro Matano, Katsuhiko Takenaka
Appl. Organomet. Chem. 2025, 39, e7928 (Link)

5) Cis-1,4-Specific Polymerization of 1,3-Conjugated Dienes with Bis(benzimidazole)NiCl2 Catalyst System
Yasuyuki Ueda, Kakeru Tsukahara, Masahito Hasumi, Kohei Uyama, Hiroshi Yukawa, Takehito Kato, Tomoyuki Toda, Shun Ohta, Kei Nishii
Polymer 2024, 315, 127806 (Link)

4) Synthesis, Structural Analysis, and Polymerization Activity of Non-Cyclopentadienyl Constrained Geometry Complex [Me2Si(Ph2C)(tBuN)]ZrCl2(thf)
Tomoyuki Toda, Itaru Miura, Shun Ohta, Katsuhiko Takenaka
Appl. Organomet. Chem. 2024, 38, e7710 (Link)

3) Synthesis of 2,4,6-Triaryl-1,3,5-triazines via the Cyclotrimerization of Benzonitriles with Catalytic Systems Composed of Titanium Chlorido Complexes and Magnesium
Shun Ohta, Keiichiro Saitoh, Karin Oikawa, Sohta Konari, Tomoyuki Toda, Jun Kawakami, Masaaki Okazaki
Eur. J. Inorg. Chem. 2024, 27, e202400286 (Link)

2) Color-change Behavior of a Bis(benzimidazole)-coordinated Nickel-dichlorido Complex Induced by the Adsorption of Pyridine or Ammonia Vapor
Tatsunari Murakami, Takahiro Homma, Atsunobu Masuno, Masaaki Okazaki, Shun Ohta
Trans. Met. Chem. 2024, 49, 229–325 (Link)

1) Water-tolerant Hydrogen-bonded Organic Framework Based on Phenylbis(benzimidazol-2-yl)methanol: Synthesis, Structural Characterization, and Organic-vapor-adsorption Properties
Shun Ohta, Tatsuya Hatakeyama, Shusuke Fujita, Tomoyuki Toda, Masanobu Sagisaka, Masaaki Okazaki
Cryst. Growth Des. 2024, 24, 1603–1611 (Link)

3) 配位能の低い揮発性有機化合物の蒸気を検出するニッケル錯体の開発
Tatsunari Murakami, Shun Ohta
Environment and Measurement Technology 2026 53 No.2 10–16 (Link)

2) 理論上生成できない分子の捕捉 含窒素五員環アラインをもつニッケル錯体の合成
Shun Ohta
Chemistry 2024 79 65–66 (Link)

1) A Hydrogen-bonded Framework that Selectively Adsorbs the Vapor of Polar Organic Compounds
Shun Ohta
Chemical Industry 2022 73 389–394 (Link)

7) Hydrogen-bonded organic frameworks based on bis(benzimidazole) derivatives
Shun Ohta
The 10th Asian Conference on Coordination Chemistry (ACCC10), October 24–27, 2025, Hanoi, Vietnam

6) ビス(ベンゾイミダゾール)誘導体をモノマーとする結晶性非共有結合型高分子
太田 俊
2024年度（令和6年度）東北地区先端高分子セミナー, March 17&18, 2025, Hirosaki

5) Crystalline Hydrogen-bonded Networks for the Adsorption of Polar Volatile Organic Compounds
Shun Ohta
International Congress on Pure & Applied Chemistry Kota Kinabalu (ICPAC Kota Kinabalu) 2022, Nobember 22–27, 2022, Hybrid conference at Kota Kinabalu, Malaysia, and online

4) 錯体化学を基盤とする環境にやさしい材料の開発
Shun Ohta
NIT, Oyama college「環境科学」講演会, May 11, 2022, online

3) Structures and Functions of Crystalline Noncovalent Polymers synthesized by Bis(benzimidazole)-coordinated Metal Dichlorido Complexes
Shun Ohta
第70回高分子学会北陸支部若手会, December 17, 2021, online

2) Structures and Functions of Crystalline Noncovalent Polymers based on Bis(benzimidazole)-coordinated Metal Dichlorido Complexes
Shun Ohta
2021高分子学会東北支部研究発表会, November 1&2, 2021, online

1) 錯体化学に立脚した環境にやさしい材料の開発
Shun Ohta
NIT, Oyama college「環境科学」講演会, May 12, 2021, online

3) Kokai (unexamined patent publication) No.2026-62011

2) Patent No.7325809
Shun Ohta, Yurika Iwabuchi, Ryota Mukai

1) Patent No.7325808
Shun Ohta, Yurika Iwabuchi

7) 分子たちは狭い結晶の中、どうすれ違って入れ替わるのか
河合塾みらいぶっく, 2025年8月27日(Link)

6)【弘前大学 研究室探訪！】～理工学部 錯体化学研究室（太田俊助教）編
Hirosaki University Channel on YouTube, February 24, 2023(Link)

5) 極性のある有機化合物を選択的に吸着する水素結合ネットワーク材料
Shun Ohta
Hirosaki University Channel on YouTube, November 2, 2021(Link)

4) 極性のある有機化合物を選択的に吸着する水素結合ネットワーク材料
Shun Ohta
channel新技術説明会 on YouTube, March 27, 2021(Link)

3) 柔軟性高い結晶性材料
Shun Ohta
Hirosaki University Channel on YouTube, February 10, 2020(Link)

2) くさいだけじゃない !? "アンモニア”の大切さとその新しいつくりかた
Shun Ohta
青い森しんきん　とれんど情報　8月号, August 20, 2017

1) マグネシウムに自然エネルギーを蓄えて活用する
Shun Ohta
FM Apple Wave "りんご王国こうぎょくカレッジ", Janually 29, 2017, Hirosaki

10) September 2026　Poster awards on R8 Joint Meeting of the Tohoku Area Chemistry Societies（Tatsunari Murakami・Kanato Ohgaki・Sotaro Nishiyama）

9) April 2026　公益財団法人UBE学術振興財団第66回学術奨励賞（Shun Ohta）

8) March 2026　熊谷研究助成表彰（Shun Ohta）

7) March 2026　Hirosaki University Student Award（Tatsunari Murakami）

6) March 2025　The 105th CSJ Annual Meeting CSJ Student Presentation Award（Tatsunari Murakami）

5) August 2024　錯体化学若手の会 近畿支部 第66回勉強会　優秀ポスター賞（Tatsunari Murakami）

4) May 2024 International symposium on energy, environmental, and material science (ISEEMS)　Outstanding Oral Presentation Award（Tatsunari Murakami）

3）December 2020 R2 Hirosaki Univeristy Outstanding Young Thesis Award (Shun OHTA)

2) March 2017 H28弘前大学若手・新任研究者支援事業研究成果発表会優秀賞 (Shun OHTA)

1) Janually 2016 BCSJ award (Shun OHTA)

7) 有機蒸気を利用する多孔性分子結晶からのゲスト脱離
Kanato Ohgaki, Tatsunari Murakami, Masaaki Okazaki, Shun Ohta
第34回有機結晶シンポジウム, October 31, November 1, 2026, Fukuoka(Poster・Scheduled)

6) Organic-vapor-induced vapochromism bof salts including a dicationic Ni(II) complex bearing benzimidazolylmethyl-functionalized NHC ligands
Tatsunari Murakami, Atsunobu Masuno, Masaaki Okazaki, Shun Ohta
CCC Kyoto, September 19, 20, 2026, Kyoto(Oral・Scheduled)

5) Guest exchange as a synthetic tool of hydrogen-bonded organic frameworks
Shun Ohta, Momo Ishii, Sotaro Nisiyama, Masaaki Okazaki
CCC Kyoto, September 19, 20, 2026, Kyoto(Poster・Scheduled)

4) Organic Vapor Adsorption Properties of Hydrogen-Bonded Organic Frameworks Constructed Using Bis(benzimidazole)-Coordinated Zinc Dihalido Complexes
Sotaro Nishiyama, Momo Ishii, Tomoyuki Toda, Masaaki Okazaki, Shun Ohta
The 76th Conference of JSCC, September 17–19, 2026, Kyoto(Oral・Scheduled)

3) Cyclotrimerization of Alkynes Catalyzed by a Bis(indolyl)–coordinated Titanium Dimethylamido Complex and p-tolylacetylene
Kohtaro Ikeda, Karin Oikawa, Masaaki Okazaki, Shun Ohta
The 76th Conference of JSCC, September 17–19, 2026, Kyoto(Oral・Scheduled)

2) Iron and Nickel Complexes Bearing a 2,6-Bis(2-benzimidazolyl)pyridine Ligand: Synthesis, Crystal Structures, and Mössbauer Spectroscopy
Taisei Matsumoto, Kenta Ebina, Ryo Masuda, Masaaki Okazaki, Shun Ohta
The 76th Conference of JSCC, September 17–19, 2026, Kyoto(Poster・Scheduled)

1) Synthesis, Structures, and Properties of Mono- and Dinuclear Complexes Carrying Phenylbis(benzimidazolyl)methanol or Its Deprotonated Form
Akari Tanimoto, Kenta Ebina, Mion Sasaki, Yurika Iwabuchi, Ryo Masuda, Masaaki Okazaki, Shun Ohta
The 76th Conference of JSCC, September 17–19, 2026, Kyoto(Poster・Scheduled)