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An as-isolated sample of PCN-14 was immersed in methanol for 24 h, and the extract was decanted. Fresh methanol was subsequently added, and the crystals were allowed to stay for an additional 24 h to remove the nonvolatile solvates (DMF and H2O). The sample was collected by decanting and treated with dichloromethane similarly to remove methanol solvates. After the removal of dichloromethane by decanting, the sample was dried under a dynamic vacuum (<10-3 Torr) at room temperature (25 ¡ãC) overnight. Before the measurement, the sample was dried again by using the ¡°outgas¡± function of the surface area analyzer for 4 h at 120 ¡ãC. ÊÇ·Òë³É£ºÑùÆ·½þÅÝÔÚ¼×´¼ÈÜÒºÖÐ24h£¬ÂËÒº±»ÇáÇáµ¹³ö£¬ÐÂÏʵļ״¼ÓÖ±»¼ÓÈ룬ÔÙ·Å24hÈ¥³ýµô²»Ò×ʧȥµÄÈܼÁ£¨DMFºÍH2O£©£¬¹ýÂËÈÜÒº²¢ÇÒÓöþÂȼ×ÍéÓÃͬÑùµÄ·½·¨È¥³ýµô¼×´¼ÈܼÁ·Ö×Ó£¬Í¨¹ý¹ýÂ˳ýÈ¥¶þÂȼ×Í飬ÑùÆ·ÔÚÕæ¿Õ25¶È£¨Ñ¹Ç¿<10-3£©Ï¸ÉÔïÒ»ÕûÒ¹£¬²âÁ¿Ö®Ç°£¬Í¨¹ý±íÃæ·ÖÎöÒǵġ°outgas¡±¹¦ÄÜÔÚ120¶ÈÏÂÔÙ¸ÉÔï4h¡£ ´ó¼ÒºÃ£¬ÊÇÕâÑù·ÒëµÄÂ𣿻¹ÓоÍÊÇÕâÆäÖеĹýÂËÊÇÆÕͨ¹ýÂË»¹ÊǼõѹ¹ýÂË£¿Ð»Ð»´ó¼Ò |
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lingling3687
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