Table 1. List of 23 reflections indexed with the BP-structured nitrogen structure at 140 GPa.

dobs and dcal represent the d-spacing of observed and calculated reflections, respectively. Dcal was obtained using unit cell parameters a = 2.1438 Å, b = 6.5554 Å, and c = 2.8534 Å.

#	h k l	dobs (Å)	dcal (Å)	dobs-dcal (Å)
1	0 2 0	3.2779	3.2777	0.0002
2	0 2 1	2.1531	2.1521	0.0010
3	1 1 1	1.6606	1.6582	0.0024
4	0 4 0	1.6383	1.6389	−0.0006
5	0 0 2	1.4269	1.4267	0.0002
6	0 4 1	1.4212	1.4211	0.0001
7	1 3 1	1.3475	1.3486	−0.0011
8	1 1 2	1.1678	1.1687	−0.0009
9	2 0 0	1.0733	1.0719	0.0014
10	1 5 1	1.0421	1.0414	0.0007
11	2 2 0	1.0197	1.0188	0.0009
12	2 2 1	0.9597	0.9595	0.0002
13	0 2 3	0.9146	0.9135	0.0011
14	1 1 3	0.8616	0.8619	−0.0003
15	2 4 1	0.8547	0.8558	−0.0011
16	0 4 3	0.8230	0.8226	0.0004
17	0 8 1	0.7874	0.7876	−0.0002
18	2 6 0	0.7646	0.7652	−0.0006
19	1 7 2	0.7347	0.7354	−0.0007
20	1 5 3	0.7245	0.7246	−0.0001
21	0 6 3	0.7178	0.7174	0.0004
22	2 2 3	0.6944	0.6953	−0.0009
23	2 8 0	0.6517	0.6510	0.0007