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【单选题】
意大利罗马大学的Fulvio Cacace等人获得了极具理论研究意义的气态N 4 分子，其分子结构如右图所示。已知断裂1 mol N—N吸收167 kJ热量，生成1 mol N N放出942 kJ热量，根据以上信息和数据，判断下列说法正确的是A.
N 4 属于一种新型的化合物
B.
N 4 分子中存在非极性键
C.
N 4 分子中N—N键角为109°28′
D.
1 mol N 4 转变成N 2 将吸收882 kJ热量
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