acid-acid hydrogen bond

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• Hydrogen bond — A hydrogen bond results from a dipole dipole force between an electronegative atom and a hydrogen atom bonded to nitrogen, oxygen or fluorine (thus the name hydrogen bond , which must not be confused with a covalent bond to hydrogen). The energy… …   Wikipedia

• Tertiary hydrogen bond — Hydrogen bonding interaction in proteins plays a crucial role in protein folding, dynamics and function. A few percent of hydrogen bonds connect distant amino acid residues and are not involved in secondary structure stabilization. These hydrogen …   Wikipedia

• Symmetric hydrogen bond — A symmetric hydrogen bond is a special type of hydrogen bond in which the proton is spaced exactly halfway between two identical atoms. The strength of the bond to each of those atoms is equal. It is an example of a 3 center 4 electron bond. This …   Wikipedia

• Carbon-hydrogen bond — A carbon hydrogen bond, also known as a C H bond is a single bond between carbon and hydrogen atoms, most commonly found in organic compounds [JerryMarch] . Carbon hydrogen bonds have a bond length of 1.09 Å (1.09 × 10 10 m) and a bond energy of… …   Wikipedia

• Hydrogen fluoride — is a chemical compound with the formula HF. It is the principal industrial source of fluorine, often in the aqueous form as hydrofluoric acid, and thus is the precursor to many important compounds including pharmaceuticals and polymers (e.g.… …   Wikipedia

• Hydrogen-deuterium exchange — (also called H D or H/D exchange) is a chemical reaction in which a covalently bonded hydrogen atom is replaced by a deuterium atom, or vice versa. Usually the examined protons are the amides in the backbone of a protein. The method gives… …   Wikipedia

• Acid — This article is about acids in chemistry. For the drug, see Lysergic acid diethylamide. For other uses, see Acid (disambiguation). Acidity redirects here. For the novelette, see Acidity (Novelette). Acids and Bases …   Wikipedia

• Acid dissociation constant — Acetic acid, a weak acid, donates a proton (hydrogen ion, high …   Wikipedia

• acid–base reaction — ▪ chemistry Introduction       a type of chemical process typified by the exchange of one or more hydrogen ions, H+, between species that may be neutral (molecules, such as water, H2O; or acetic acid, CH3CO2H) or electrically charged (ions, such… …   Universalium

• Hydrogen chloride — HCl redirects here. For the acid, see Hydrochloric acid. Hydrogen chloride …   Wikipedia

• Hydrogen — This article is about the chemistry of hydrogen. For the physics of atomic hydrogen, see Hydrogen atom. For other meanings, see Hydrogen (disambiguation). ← hydrogen → helium …   Wikipedia