¹«±âÈÇнÇÇè - The Synthesis of [M(acac)3] (M ¡ë Cr, Fe, and Co)
¸ñ Â÷
I. Introduction . 3 ~ 4
II. Results
¼öµæ·ü . 4 ~ 5
Àç°áÁ¤ . 5
IR spectrum 6 ~ 9
III. Experimental Section .. 10~11
IV. Table (»ç¿ëÇÑ ½Ã¾à) 11
V. Questions
Synthesis 11~13
Recrystallization . 13~15
VI. Discussion . 16
VII. Conclusions ..16
VIII. Reference ... 17
I. Introduction
Background
Acetyl acetonate (2,4-pentanedionato, acac), CH3COCH2COCH3´Â ¾à»êÀ¸·Î ¼ö¿ë¾×¿¡¼ ÀÌ¿ÂÈ ÇÒ ¼ö ÀÖ´Â ÀüÇüÀûÀÎ ¥â-didetoneÀÌ´Ù.
CH3COCH2COCH3 ¡ê H+ + CH3COCHCOCH3-
ÀÌ ¶§ »ý¼ºµÈ À½ÀÌ¿ÂÀº ±Ý¼Ó°ú Âø¹°À» Çü¼ºÇÏ´Â ¸®°£µå(donor-»ê¼Ò)·Î¼ ¿ªÇÒÀ» ÇÑ´Ù. ÀϹÝÀûÀ¸·Î °áÁ¤¼º °íü·Î ºÐ¸®µÇ´Â Âø¹°Àº Áß¼ºÀ̱⠶§¹®¿¡, ±Ý¼ÓÀÌ¿ÂÀº ÈÇз®·ÐÀû Âø¹° M(CH3COCHCOCH3)xÀ» Çü¼ºÇÑ´Ù.
xCH3COCH2COCH3 + Mx+ ¡ê xH+ + M(CH3COCHCOCH3)x
M(acac)x Âø¹°¿¡¼ six-membered ring, MO2C3´Â Æò¸éÀ¸·Î Á¸ÀçÇÏ¸é¼ 6¥ð-ÀüÀÚ¸¦ Áö´Ï°í Àֱ⠶§¹®¿¡, ÀÌ°ÍÀº ¾àÇÑ ¹æÇâÁ·¼ºÀ» ³»ÀçÇÏ°í ÀÖÀ»¡¦(»ý·«)
|