Structural Evidence of Interanionic Hydrogen Bonding in Phosphoric Acid Solutions

Structural Evidence of Interanionic Hydrogen Bonding in Phosphoric Acid Solutions

Interanionic hydrogen bonding (IAHB) is a noncovalent interaction between like-charged ions that challenges conventional electrostatic understanding. This study provides direct structural evidence of IAHB in concentrated aqueous phosphoric acid (PA) solutions, which exhibit >60% dissociation unde...

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Автор:	Pyeongeun Kim (9509954) (author)
Інші автори:	Richard Kang (12097082) (author), Kevin Carter-Fenk (6690314) (author), Kevin R. Wilson (1235583) (author), Martin Head-Gordon (588951) (author), Musahid Ahmed (1282341) (author)
Опубліковано:	2025
Предмети:	Biophysics Biochemistry Cancer Computational Biology Astronomical and Space Sciences not elsewhere classified Chemical Sciences not elsewhere classified Physical Sciences not elsewhere classified two fragments driven range ordering consistent interanionic hydrogen bonding energy decomposition analysis electron affinity time surrounding solvent molecules phosphate iahb dimers cyclic phosphate structural evidence phase iahb permanent electrostatics oxygen k noncovalent interaction extended x energetically favored edge x dimeric species dependent transition critical role charged ions charge transfer bonded networks
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