{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T14:38:16Z","timestamp":1786977496416,"version":"build-2736575974"},"reference-count":65,"publisher":"Wiley","issue":"22","license":[{"start":{"date-parts":[[2008,6,18]],"date-time":"2008-06-18T00:00:00Z","timestamp":1213747200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Chemistry A European J"],"published-print":{"date-parts":[[2008,7,28]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    The structure of the solvated mercury(II) ion in water and dimethyl sulfoxide has been studied by means of large\u2010angle X\u2010ray scattering (LAXS) and extended X\u2010ray absorption fine structure (EXAFS) techniques. The distribution of the Hg\uf8ffO distances is unusually wide and asymmetric in both solvents. In aqueous solution, hexahydrated [Hg(OH\n                    <jats:sub>2<\/jats:sub>\n                    )\n                    <jats:sub>6<\/jats:sub>\n                    ]\n                    <jats:sup>2+<\/jats:sup>\n                    ions in a distorted octahedral configuration, with the centroid of the Hg\uf8ffO distance at 2.38(1)\u2005\u00c5, are surrounded by a diffuse second hydration sphere with Hg\u22c5\u22c5\u22c5O\n                    <jats:sub>II<\/jats:sub>\n                    distances of 4.20(2)\u2005\u00c5. In dimethyl sulfoxide, the six Hg\uf8ffO and Hg\u22c5\u22c5\u22c5S distances of the hexasolvated [Hg{OS(CH\n                    <jats:sub>3<\/jats:sub>\n                    )\n                    <jats:sub>2<\/jats:sub>\n                    }\n                    <jats:sub>6<\/jats:sub>\n                    ]\n                    <jats:sup>2+<\/jats:sup>\n                    complex are centered around 2.38(1) and 3.45(2)\u2005\u00c5, respectively. The crystal structure of hexakis(pyridine 1\u2010oxide)mercury(II) perchlorate has been redetermined. The space group\n                    <jats:italic>R<\/jats:italic>\n                    <jats:styled-content>\n                      $\\bar 3$\n                      <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"graphic\/tex2gif-ueqn-1.gif\" xlink:title=\"equation image\"\/>\n                    <\/jats:styled-content>\n                    implies six equal Hg\uf8ffO distances of 2.3416(7)\u2005\u00c5 for the [Hg(ONC\n                    <jats:sub>5<\/jats:sub>\n                    H\n                    <jats:sub>5<\/jats:sub>\n                    )\n                    <jats:sub>6<\/jats:sub>\n                    ]\n                    <jats:sup>2+<\/jats:sup>\n                    complex at 100\u2005K. However, EXAFS studies of this compound, and of the solids hexaaquamercury(II) perchlorate and hexakis(dimethyl sulfoxide)mercury(II) trifluoromethanesulfonate, also with six equidistant Hg\uf8ffO bonds according to crystallographic results, reveal in all cases strongly asymmetric Hg\uf8ffO distance distributions. Vibronic coupling of valence states in a so\u2010called pseudo\u2010Jahn\u2013Teller effect probably induces the distorted configurations.\n                  <\/jats:p>","DOI":"10.1002\/chem.200800225","type":"journal-article","created":{"date-parts":[[2008,6,18]],"date-time":"2008-06-18T09:08:47Z","timestamp":1213780127000},"page":"6687-6696","source":"Crossref","is-referenced-by-count":26,"title":["An EXAFS Spectroscopic, Large\u2010Angle X\u2010Ray Scattering, and Crystallographic Study of Hexahydrated, Dimethyl Sulfoxide and Pyridine 1\u2010Oxide Hexasolvated Mercury(II) Ions"],"prefix":"10.1002","volume":"14","author":[{"given":"Ingmar","family":"Persson","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lars","family":"Eriksson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patric","family":"Lindqvist\u2010Reis","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Per","family":"Persson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Magnus","family":"Sandstr\u00f6m","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2008,7,21]]},"reference":[{"key":"e_1_2_6_1_2","doi-asserted-by":"publisher","DOI":"10.1039\/qr9651900303"},{"key":"e_1_2_6_2_2","doi-asserted-by":"publisher","DOI":"10.1039\/dt9730000670"},{"key":"e_1_2_6_3_2","doi-asserted-by":"publisher","DOI":"10.3891\/acta.chem.scand.32a-0109"},{"key":"e_1_2_6_4_2","doi-asserted-by":"publisher","DOI":"10.1107\/S010827019500196X"},{"key":"e_1_2_6_5_2","doi-asserted-by":"publisher","DOI":"10.3891\/acta.chem.scand.32a-0095"},{"key":"e_1_2_6_6_2","doi-asserted-by":"publisher","DOI":"10.3891\/acta.chem.scand.44-0653"},{"key":"e_1_2_6_7_2","doi-asserted-by":"publisher","DOI":"10.3891\/acta.chem.scand.45-0165"},{"key":"e_1_2_6_8_2","unstructured":"\u00a0"},{"key":"e_1_2_6_9_2","doi-asserted-by":"publisher","DOI":"10.1002\/zaac.200390003"},{"key":"e_1_2_6_10_2","doi-asserted-by":"publisher","DOI":"10.1021\/ic7013489"},{"key":"e_1_2_6_11_2","doi-asserted-by":"publisher","DOI":"10.1021\/ic960932x"},{"key":"e_1_2_6_12_2","doi-asserted-by":"publisher","DOI":"10.1021\/ic961339i"},{"key":"e_1_2_6_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0277-5387(00)80501-X"},{"key":"e_1_2_6_14_2","doi-asserted-by":"publisher","DOI":"10.1002\/hc.520010506"},{"key":"e_1_2_6_15_2","doi-asserted-by":"crossref","first-page":"969","DOI":"10.1515\/znb-1993-0720","volume":"48","author":"Pickardt J.","year":"1993","journal-title":"Z. 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