Coyle Jason P, Monillas Wesley H, Yap Glenn P A, Barry Sean T
Department of Chemistry, Carleton University, 1125 Colonel By Drive, Ottawa, Ontario, Canada K1S 5B6.
Inorg Chem. 2008 Jan 21;47(2):683-9. doi: 10.1021/ic701317y. Epub 2007 Dec 21.
Copper (I) guanidinate dimers were generated by a salt metathesis route and structurally characterized. The guanidinates differed from the known amidinate dimers because of a large torsion of the dimer ring. This had a direct effect on their thermal chemistry. The thermal reactivity was investigated by several methods, including a novel temperature-resolved, gas-phase method that was monitored by mass spectrometry. The copper guanidinates underwent carbodiimide deinsertion to produce copper metal at temperatures between 225 -and 250 degrees C in the gas phase and at 125 degrees C in solution. The amidinate investigated also showed copper deposition at 190 degrees C in the gas phase, and 135 degrees C in solution, but without carbodiimide deinsertion. The guanidinate compounds deposited crystalline copper at 225 degrees C in a simple chemical vapor deposition experiment.
通过盐复分解途径生成了胍基铜（I）二聚体并对其进行了结构表征。胍基与已知的脒基二聚体不同，因为二聚体环存在较大扭转。这对它们的热化学有直接影响。通过多种方法研究了热反应性，包括一种通过质谱监测的新型温度分辨气相方法。胍基铜在气相中225至250摄氏度以及在溶液中125摄氏度的温度下发生碳二亚胺脱插入反应生成金属铜。所研究的脒基在气相中190摄氏度以及在溶液中135摄氏度时也显示出铜沉积，但没有碳二亚胺脱插入反应。在一个简单的化学气相沉积实验中，胍基化合物在225摄氏度时沉积出结晶铜。
