Table 4. Results of the two-dimensional pattern fitting for the experimental data of CuNCN (POWGEN) in comparison to the FullProf refinement.

	CuNCN (two-dimensional Rietveld)	CuNCN (focused)
No. parameters	5	27
No. data points	0.62 million	5920
No. reflections	515	276
Calculation time (min)†	60	≃ 1
Scale	0.0160 (1)	1.021 (6)
Background	Single value of 0.840 (3)	Interpolation between 30 selected points
Lattice parameters (Å)	a = 2.98920 (7), b = 6.1423 (2), c = 9.4012 (3)	a = 2.98908 (8), b = 6.1420 (3), c = 9.4009 (4)
R p	0.25	0.05

^†ASUS K73S Notebook with Intel Core i5-2410M (2 Cores @ 2.3 GHz) and 6 GB of RAM.