{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T14:14:15Z","timestamp":1791209655549,"version":"4.1.0"},"reference-count":41,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2015,6,12]],"date-time":"2015-06-12T00:00:00Z","timestamp":1434067200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004359","name":"Vetenskapsr\u00e5det","doi-asserted-by":"publisher","award":["613-2011-3311"],"award-info":[{"award-number":["613-2011-3311"]}],"id":[{"id":"10.13039\/501100004359","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Magnetic Reson in Chemistry"],"published-print":{"date-parts":[[2015,8]]},"abstract":"<jats:p>\n                    Host\u2010guest complexes between cryptophane\u2010A analogue with butoxy groups (cryptophane\u2010But) and chloromethanes (chloroform, dichloromethane) were investigated in the solid state by means of magic\u2010angle spinning\n                    <jats:sup>13<\/jats:sup>\n                    C NMR spectroscopy. The separated local fields method with\n                    <jats:sup>13<\/jats:sup>\n                    C\u2010\n                    <jats:sup>1<\/jats:sup>\n                    H dipolar recoupling was used to determine the residual dipolar coupling for the guest molecules encaged in the host cavity. In the case of chloroform guest, the residual dipolar interaction was estimated to be about 19\u2009kHz, consistent with a strongly restricted mobility of the guest in the cavity, while no residual interaction was observed for encaged dichloromethane. In order to rationalize this unexpected result, we performed single crystal X\u2010ray diffraction studies, which confirmed that both guest molecules indeed were present inside the cryptophane cavity, with a certain level of disorder. To improve the insight in the dynamics, we performed a\n                    <jats:sup>13<\/jats:sup>\n                    C NMR spin\u2010lattice relaxation study for the dichloromethane guest in solution. The system was characterized by chemical exchange, which was slow on the chemical shift time scale but fast with respect to the relaxation rates. Despite these disadvantageous conditions, we demonstrated that the data could be analyzed and that the results were consistent with an isotropic reorientation of dichloromethane within the cryptophane cavity. Copyright \u00a9 2015 The Authors.\n                    <jats:italic>Magnetic Resonance in Chemistry<\/jats:italic>\n                    published by John Wiley &amp; Sons Ltd.\n                  <\/jats:p>","DOI":"10.1002\/mrc.4265","type":"journal-article","created":{"date-parts":[[2015,6,19]],"date-time":"2015-06-19T19:24:36Z","timestamp":1434741876000},"page":"596-602","source":"Crossref","is-referenced-by-count":2,"title":["Investigation of chloromethane complexes of cryptophane\u2010A analogue with butoxy groups using\n                    <sup>13<\/sup>\n                    C NMR in the solid state and solution along with single crystal X\u2010ray diffraction"],"prefix":"10.1002","volume":"53","author":[{"given":"Emilie","family":"Steiner","sequence":"first","affiliation":[{"name":"Department of Materials and Environmental Chemistry, Arrhenius Laboratory Stockholm University  SE\u2010106 91 Stockholm 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