Experimental detection of tetranitrogen

被引：193

作者：

Cacace, F ^{[1
]}

de Petris, G ^{[1
]}

Troiani, A ^{[1
]}

机构：

[1] Univ Roma La Sapienza, Dipartimento Studi Chim & Tecnol Sostanze Biol At, I-00185 Rome, Italy

来源：

SCIENCE | 2002年 / 295卷 / 5554期

关键词：

D O I：

10.1126/science.1067681

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Tetranitrogen (N-4), which has been the subject of great theoretical interest, has been prepared from the N-4(+) cation and positively detected as a gaseous metastable molecule with a lifetime exceeding 1 microsecond in experiments based on neutralization-reionization mass spectrometry. An examination of the geometry of N-4(+) and the fragmentation pattern of the N-14(2) N-15(2) neutral molecule has revealed that the latter is characterized by an open-chain geometry with two distinct, closely bound N-2 units joined by a longer weaker bond.

引用

页码：480 / 481

页数：2

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