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    Олег Иоханнесович Сийдра
2019
Arsenates
Vanadates
Minerals
Cations
Cones

Antofagastaite, Na2Ca(SO4)2·1.5H2O, a new mineral related to syngenite

Pekov, I. V., Kovrugin, V. M. K., Siidra, O. I., Chukanov, N. V., Belakovskiy, D. I., Koshlyakova, N. N., Yapaskurt, V. O., Turchkova, A. G. & Möhn, G., 12 Apr 2019, In : Mineralogical Magazine.

Research output

Open Access
new mineral
Minerals
X-ray diffraction
sulfate group
crystal
new mineral
crystal structure
ligand
Minerals
Sulfate minerals
1 Citation (Scopus)

Effect of solution acidity on the structure of amino acid-bearing uranyl compounds

Nazarchuk, E. V., Ikhalaynen, Y. A., Charkin, D. O., Siidra, O. I., Petrov, V. G., Kalmykov, S. N. & Borisov, A. S., 1 Apr 2019, In : Radiochimica Acta. 107, 4, p. 311-325

Research output

Bearings (structural)
Acidity
acidity
amino acids
Amino Acids

Erikjonssonite, (Pb32O21)[(V,Si,Mo,As)O4]4Cl9, a new mineral from the Kombat mine and structural classification of layered lead oxychlorides related to litharge

Chukanov, N. V., Siidra, O. I., Polekhovsky, Y. S., Pekov, I. V., Varlamov, D. A., Ermolaeva, V. N. & Virus, A. A., 1 Jan 2019, In : European Journal of Mineralogy. 31, 3, p. 619-628 10 p.

Research output

new mineral
Minerals
mineral
Vanadate minerals
Bond length

Mineral-Inspired Crystal Growth and Physical Properties of Na 2 Cu(SO 4 ) 2 and Review of Na 2 M(SO 4 ) 2 (H 2 O) x (x = 0-6) Compounds

Kovrugin, V. M., Nekrasova, D. O., Siidra, O. I., Mentré, O., Masquelier, C., Stefanovich, S. Y. & Colmont, M., 6 Feb 2019, In : Crystal Growth and Design. 19, 2, p. 1233-1244

Research output

Crystallization
Crystal growth
Minerals
Cations
crystal growth
2 Citations (Scopus)

Open-framework sodium uranyl selenate and sodium uranyl sulfate with protonated morpholino-N-acetic acid

Назарчук, Е. В., Сийдра, О. И., Чаркин, Д., Чуканов, Н. В., Захаров, А. Ю., Калмыков, С. Н., Ихолайнен, Ю. А. & Шариков, М. И., 2019, In : Zeitschfrift fur Kristallographie. 234, 2, p. 109-118 9 p.

Research output

Open Access
selenate
Morpholinos
Sodium sulfate
sodium sulfates
acetic acid
3 Citations (Scopus)

Reversible hydration/dehydration and thermal expansion of euchlorine, ideally KNaCu3O(SO4)3

Siidra, O. I., Borisov, A. S., Lukina, E. A., Depmeier, W., Platonova, N. V., Colmont, M. & Nekrasova, D. O., 1 Apr 2019, In : Physics and Chemistry of Minerals. 46, 4, p. 403-416 14 p.

Research output

thermal expansion
Dehydration
hydration
dehydration
Hydration
2 Citations (Scopus)

Structural, thermal, and IR studies of β-[Nd2O2](CrO4), an unexpected analog of a slag phase [Ba2F2](S6+O3S2-)

Charkin, D. O., Plokhikh, I. V., Zadoya, A. I., Zaloga, A. N., Depmeier, W. & Siidra, O. I., 1 Jan 2019, In : Zeitschrift fur Kristallographie - Crystalline Materials. 234, 1, p. 1-8 8 p.

Research output

slags
Slags
Anions
Negative ions
analogs
1 Citation (Scopus)

Synthesis, crystal structure, spectroscopic properties, and thermal behavior of rare-earth oxide selenates, Ln2O2SeO4 (Ln = La, Pr, Nd): The new perspectives of solid-state double-exchange synthesis

Charkin, D. O., Karpov, A. S., Kazakov, S. M., Plokhikh, I. V., Zadoya, A. I., Kuznetsov, A. N., Maslakov, K. I., Teterin, A. Y., Teterin, Y. A., Zaloga, A. N. & Siidra, O. I., 1 Sep 2019, In : Journal of Solid State Chemistry. 277, p. 163-168

Research output

Selenic Acid
Oxides
Rare earths
Ion exchange
rare earth elements
Bearings (structural)
Selenic Acid
hydronium ions
sulfuric acid
tetrahedrons
2018
4 Citations (Scopus)

Ammoniovoltaite, (NH4)2Fe2+5Fe3+3Al(SO4)12(H2O)18, a new mineral from the Severo-Kambalny geothermal field, Kamchatka, Russia

Zhitova, E. S., Siidra, O. I., Belakovsky, D. I., Shilovskikh, V. V., Nuzhdaev, A. A. & Ismagilova, R. M., Oct 2018, In : Mineralogical Magazine. 82, 5, p. 1057-1077 21 p.

Research output

Geothermal fields
new mineral
Minerals
Ammonium Compounds
mineral
Sulfate minerals
Volcanoes
topology
volcano
Topology

Calamaite, a new natural titanium sulfate from the Alcaparrosa mine, Calama, Antofagasta region, Chile

Pekov, I. V., Siidra, O. I., Chukanov, N. V., Yapaskurt, V. O., Belakovskiy, D. I., Turchkova, A. G. & Möhn, G., Jul 2018, In : European Journal of Mineralogy. 30, 4, p. 801-809 9 p.

Research output

Titanium
titanium
Sulfates
Minerals
crystal

CdBiO2NO3, a new layered bismuth oxide nitrate

Charkin, D. O., Plokhikh, I. V., Zadoya, A. I., Kuznetsova, P. L., Kazakov, S. M. & Siidra, O. I., 1 Oct 2018, In : Solid State Sciences. 84, p. 23-27 5 p.

Research output

bismuth oxides
Bismuth
Nitrates
nitrates
Oxides

Complex Uranyl Dichromates Templated by Aza-Crowns

Siidra, O. I., Nazarchuk, E. V., Charkin, D. O., Kalmykov, S. N. & Zadoya, A. I., Dec 2018, In : Crystals. 8, p. 462

Research output

3 Citations (Scopus)
Selenious Acid
substructures
Bromides
tetrahedrons
Anions
1 Citation (Scopus)
Sulfates
sulfates
Crystal structure
Crystals
crystal structure
1 Citation (Scopus)

Embreyite: Structure determination, chemical formula and comparative crystal chemistry

Kovrugin, V. M., Siidra, O. I., Pekov, I. V., Chukanov, N. V., Khanin, D. A. & Agakhanov, A. A., 1 Apr 2018, In : Mineralogical Magazine. 82, 2, p. 275-290 16 p.

Research output

Crystal chemistry
crystal chemistry
Crystal structure
X-ray diffraction
Single crystals
3 Citations (Scopus)

Grootfonteinite, Pb3O(CO3)2, a new mineral species from the Kombat Mine, Namibia, merotypically related to hydrocerussite

Siidra, O. I., Jonsson, E., Chukanov, N. V., Nekrasova, D. O., Pekov, I. V., Depmeier, W., Polekhovsky, Y. S. & Yapaskurt, V. O., 1 Apr 2018, In : European Journal of Mineralogy. 30, 2, p. 367-373 7 p.

Research output

new mineral
Minerals
Carbon Monoxide
crystal structure
mineral
5 Citations (Scopus)
Minerals
Infrared spectroscopy
Spectrum Analysis
infrared spectroscopy
minerals

ILIRNEYITE, Mg0.5[ZnMn3þ(TeO3)3]4.5H2O, A NEW MINERAL FROM CHUKOTKA, RUSSIAILIRNEYITE, Mg0.5[ZnMn3þ(TeO3)3]*4.5H2O, A NEW MINERAL FROM CHUKOTKA, RUSSIA

Pekov, I., Siidra, O. I., Vlasov, E. A., Yapaskurt, V. O., Polekhovsky, Y. S. & Apletalin, A. V., 2018, In : Canadian Mineralogist. 56, 6, p. 913-921 9 p.

Research output

3 Citations (Scopus)

Itelmenite, Na2CuMg2(SO4)4, a new anhydrous sulphate mineral from the Tolbachik volcano

Назарчук, Е. В., Сийдра, О. И., Агаханов, А. А., Лукина, Е. А., Авдонцева, Е. Ю. & Карпов, Г. А., Dec 2018, In : Mineralogical Magazine. 82, 6, p. 1233-1241

Research output

Open Access
1 Citation (Scopus)

JANCHEVITE, Pb7V(O8.5vac0.5)Cl2, A NEW MINERAL FROM THE KOMBAT MINE, NAMIBIA

Chukanov, N. V., Nekrasova, D. O., Siidra, O. I., Polekhovsky, Y. S. & Pekov, I. V., 31 Mar 2018, In : Canadian Mineralogist. 56, 2, p. 159-165 7 p.

Research output

new mineral
Minerals
mineral
X-ray diffraction
Bearings (structural)
9 Citations (Scopus)
Volcanoes
thermal expansion
Dehydration
dehydration
Thermal expansion
1 Citation (Scopus)

Somersetite, Pb8O(OH)4(CO3)5, a new complex hydrocerussite-related mineral from the Mendip Hills, England

Сийдра, О. И., Некрасова, Д. О., Turner, R., Зайцев, А. Н., Чуканов, Н. В., Полеховский, Ю. С., Spratt, J. & Rumsey, M. S., Oct 2018, In : Mineralogical Magazine. 82, 5, p. 1211-1224 14 p.

Research output

Minerals
Mints
X-ray diffraction
crystal
Quarries
2 Citations (Scopus)
Crystal chemistry
chemistry
Molecules
methylidyne
crystals
3 Citations (Scopus)
Dimers
Crystal structure
dimers
crystal structure
Molecules
1 Citation (Scopus)

Synthesis and structural variety of first Mn and Bi selenites and selenite chlorides

Kovrugin, V. M., Colmont, M., Siidra, O. I., Charkin, D. O., Aliev, A., Krivovichev, S. V. & Mentré, O., 1 Jan 2018, (Accepted/In press) In : Zeitschrift fur Kristallographie - Crystalline Materials.

Research output

Selenious Acid
Chlorides
chlorides
Single crystals
Inorganic compounds
2 Citations (Scopus)

The hydrocerussite-related phase, NaPb5(CO3)4(OH)3, from the ancient slags of Lavrion, Greece

Сийдра, О. И., Некрасова, Д. О., Чуканов, Н. В., Пеков, И. В., Япаскурт, В. О., Katerinopoulos, A., Voudouris, P., Magganas, A. & Зайцев, А. Н., Aug 2018, In : Mineralogical Magazine. 82, 4, p. 809–819 11 p.

Research output

slag
Slags
crystal
pebble
election
5 Citations (Scopus)

Ziminaite, Fe3+VO4, a new howardevansite-group mineral from the Bezymyannyi volcano, Kamchatka, Russia

Pekov, I. V., Siidra, O. I., Yapaskurt, V. O., Polekhovsky, Y. S. & Kartashov, P. M., 1 Jun 2018, In : Mineralogy and Petrology. 112, 3, p. 371-379 9 p.

Research output

Volcanoes
Russian Federation
volcanoes
Minerals
phosphorus pentoxide