Standard

LOCAL STRUCTURE OF PROTONATED MORDENITES WITH SiO2/Al2O3 ≈ 15 PROBED BY MULTINUCLEAR NMR. / Krylova, E. A.; Shelyapina, M. G.; Mazur, A.; Baranov, D. A.; Tsyganenko, A. A.; Petranovskii, V. P.

In: Journal of Structural Chemistry, Vol. 63, No. 6, 01.06.2022, p. 930-943.

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

Harvard

Krylova, EA, Shelyapina, MG, Mazur, A, Baranov, DA, Tsyganenko, AA & Petranovskii, VP 2022, 'LOCAL STRUCTURE OF PROTONATED MORDENITES WITH SiO2/Al2O3 ≈ 15 PROBED BY MULTINUCLEAR NMR', Journal of Structural Chemistry, vol. 63, no. 6, pp. 930-943. https://doi.org/10.1134/s0022476622060105

APA

Krylova, E. A., Shelyapina, M. G., Mazur, A., Baranov, D. A., Tsyganenko, A. A., & Petranovskii, V. P. (2022). LOCAL STRUCTURE OF PROTONATED MORDENITES WITH SiO2/Al2O3 ≈ 15 PROBED BY MULTINUCLEAR NMR. Journal of Structural Chemistry, 63(6), 930-943. https://doi.org/10.1134/s0022476622060105

Vancouver

Krylova EA, Shelyapina MG, Mazur A, Baranov DA, Tsyganenko AA, Petranovskii VP. LOCAL STRUCTURE OF PROTONATED MORDENITES WITH SiO2/Al2O3 ≈ 15 PROBED BY MULTINUCLEAR NMR. Journal of Structural Chemistry. 2022 Jun 1;63(6):930-943. https://doi.org/10.1134/s0022476622060105

Author

Krylova, E. A. ; Shelyapina, M. G. ; Mazur, A. ; Baranov, D. A. ; Tsyganenko, A. A. ; Petranovskii, V. P. / LOCAL STRUCTURE OF PROTONATED MORDENITES WITH SiO2/Al2O3 ≈ 15 PROBED BY MULTINUCLEAR NMR. In: Journal of Structural Chemistry. 2022 ; Vol. 63, No. 6. pp. 930-943.

BibTeX

@article{f43420f0dc3f4432927ff129368c5cd1,
title = "LOCAL STRUCTURE OF PROTONATED MORDENITES WITH SiO2/Al2O3 ≈ 15 PROBED BY MULTINUCLEAR NMR",
abstract = "Abstract: Two samples of protonated mordenite with close nominal molar ratios (MRs) SiO2/Al2O3 equal to 15.0 and 15.2 are studied by various physicochemical methods. Both samples have the mordenite crystal structure but different morphologies and exhibit different dehydration patterns. According to the 1H, 27Al, 29Si NMR data, these samples show different local structural features, e.g. relative coordination of Si and Al containing tetrahedra. The complex analysis of 1H NMR spectra of hydrated and partially dehydrated samples and IR spectroscopy data shows that acid sites in both samples are mainly bridging OH groups and that the charge in H-MOR-15.0 prepared from the ammonia form is neutralized (in addition to the hydroxyl groups) by residual ammonium ions, while the charge in H-MOR-15.2 prepared by acid etching is additionally neutralized by mobile H+ and/or H3O+ cations. [Figure not available: see fulltext.]",
keywords = "цеолиты, морденит, ЯМР, ИК спектроскопия, IR spectroscopy, NMR, mordenite, protonated form",
author = "Krylova, {E. A.} and Shelyapina, {M. G.} and A. Mazur and Baranov, {D. A.} and Tsyganenko, {A. A.} and Petranovskii, {V. P.}",
note = "Publisher Copyright: {\textcopyright} 2022, Pleiades Publishing, Ltd.",
year = "2022",
month = jun,
day = "1",
doi = "10.1134/s0022476622060105",
language = "English",
volume = "63",
pages = "930--943",
journal = "Journal of Structural Chemistry",
issn = "0022-4766",
publisher = "Springer Nature",
number = "6",

}

RIS

TY - JOUR

T1 - LOCAL STRUCTURE OF PROTONATED MORDENITES WITH SiO2/Al2O3 ≈ 15 PROBED BY MULTINUCLEAR NMR

AU - Krylova, E. A.

AU - Shelyapina, M. G.

AU - Mazur, A.

AU - Baranov, D. A.

AU - Tsyganenko, A. A.

AU - Petranovskii, V. P.

N1 - Publisher Copyright: © 2022, Pleiades Publishing, Ltd.

PY - 2022/6/1

Y1 - 2022/6/1

N2 - Abstract: Two samples of protonated mordenite with close nominal molar ratios (MRs) SiO2/Al2O3 equal to 15.0 and 15.2 are studied by various physicochemical methods. Both samples have the mordenite crystal structure but different morphologies and exhibit different dehydration patterns. According to the 1H, 27Al, 29Si NMR data, these samples show different local structural features, e.g. relative coordination of Si and Al containing tetrahedra. The complex analysis of 1H NMR spectra of hydrated and partially dehydrated samples and IR spectroscopy data shows that acid sites in both samples are mainly bridging OH groups and that the charge in H-MOR-15.0 prepared from the ammonia form is neutralized (in addition to the hydroxyl groups) by residual ammonium ions, while the charge in H-MOR-15.2 prepared by acid etching is additionally neutralized by mobile H+ and/or H3O+ cations. [Figure not available: see fulltext.]

AB - Abstract: Two samples of protonated mordenite with close nominal molar ratios (MRs) SiO2/Al2O3 equal to 15.0 and 15.2 are studied by various physicochemical methods. Both samples have the mordenite crystal structure but different morphologies and exhibit different dehydration patterns. According to the 1H, 27Al, 29Si NMR data, these samples show different local structural features, e.g. relative coordination of Si and Al containing tetrahedra. The complex analysis of 1H NMR spectra of hydrated and partially dehydrated samples and IR spectroscopy data shows that acid sites in both samples are mainly bridging OH groups and that the charge in H-MOR-15.0 prepared from the ammonia form is neutralized (in addition to the hydroxyl groups) by residual ammonium ions, while the charge in H-MOR-15.2 prepared by acid etching is additionally neutralized by mobile H+ and/or H3O+ cations. [Figure not available: see fulltext.]

KW - цеолиты

KW - морденит

KW - ЯМР

KW - ИК спектроскопия

KW - IR spectroscopy

KW - NMR

KW - mordenite

KW - protonated form

UR - http://www.scopus.com/inward/record.url?scp=85133140956&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/daa8a90e-3e60-3d61-8dde-e448286cc400/

U2 - 10.1134/s0022476622060105

DO - 10.1134/s0022476622060105

M3 - Article

AN - SCOPUS:85133140956

VL - 63

SP - 930

EP - 943

JO - Journal of Structural Chemistry

JF - Journal of Structural Chemistry

SN - 0022-4766

IS - 6

ER -

ID: 96966292