Synthesis and structure of synthetically pure and deuterated amorphous (basic) calcium carbonates

Hsiu Wen Wang; Luke L. Daemen; Michael C. Cheshire; Michelle K. Kidder; Andrew G. Stack; Lawrence F. Allard; Jörg Neuefeind; Daniel Olds; Jue Liu; Katharine Page

doi:10.1039/c6cc08848a

Synthesis and structure of synthetically pure and deuterated amorphous (basic) calcium carbonates

Hsiu Wen Wang, Luke L. Daemen, Michael C. Cheshire, Michelle K. Kidder, Andrew G. Stack, Lawrence F. Allard, Jörg Neuefeind, Daniel Olds, Jue Liu, Katharine Page

Research output: Contribution to journal › Article › peer-review

30 Scopus citations

Abstract

It is generally believed that H₂O and OH⁻ are the key species stabilizing and controlling amorphous calcium carbonate “polyamorph” forms, and may in turn control the ultimate crystallization products during synthesis and in natural systems. Yet, the locations and hydrogen-bonding network of these species in ACC have never been measured directly using neutron diffraction. We report a synthesis route that overcomes the existing challenges with respect to yield quantities and deuteration, both of which are critically necessary for high quality neutron studies.

Original language	English
Pages (from-to)	2942-2945
Number of pages	4
Journal	Chemical Communications
Volume	53
Issue number	20
DOIs	https://doi.org/10.1039/c6cc08848a
State	Published - 2017

Funding

This work was supported by the US Department of Energy (DOE), Office of Science (SC), Office of Basic Energy Sciences (BES), Chemical Sciences, Geosciences, and Biosciences Division. Efforts by KP, DO, and JL were supported in part by the DOE, SC, BES Early Career Research Program (KC040602), under contract number DE-AC05-00OR22725. The NOMAD instrument at ORNL’s SNS is sponsored by the DOE, SC, BES, Scientific User Facilities Division. 11-ID-B was supported by the DOE, SC, BES, under Contract No. DE-AC02-06CH11357. The monohydrocalcite sample (NMNH 135404 00) is from the mineral collection of the Department of Mineral Sciences, Smithsonian Institution.

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abstract = "It is generally believed that H2O and OH− are the key species stabilizing and controlling amorphous calcium carbonate “polyamorph” forms, and may in turn control the ultimate crystallization products during synthesis and in natural systems. Yet, the locations and hydrogen-bonding network of these species in ACC have never been measured directly using neutron diffraction. We report a synthesis route that overcomes the existing challenges with respect to yield quantities and deuteration, both of which are critically necessary for high quality neutron studies.",

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AU - Wang, Hsiu Wen

AU - Daemen, Luke L.

AU - Cheshire, Michael C.

AU - Kidder, Michelle K.

AU - Stack, Andrew G.

AU - Allard, Lawrence F.

AU - Neuefeind, Jörg

AU - Olds, Daniel

AU - Liu, Jue

AU - Page, Katharine

PY - 2017

Y1 - 2017

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AB - It is generally believed that H2O and OH− are the key species stabilizing and controlling amorphous calcium carbonate “polyamorph” forms, and may in turn control the ultimate crystallization products during synthesis and in natural systems. Yet, the locations and hydrogen-bonding network of these species in ACC have never been measured directly using neutron diffraction. We report a synthesis route that overcomes the existing challenges with respect to yield quantities and deuteration, both of which are critically necessary for high quality neutron studies.

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JO - Chemical Communications

JF - Chemical Communications

IS - 20

ER -

Synthesis and structure of synthetically pure and deuterated amorphous (basic) calcium carbonates

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