International
Tables for
Crystallography
Volume H
Powder diffraction
Edited by C. J. Gilmore, J. A. Kaduk and H. Schenk
International Tables for Crystallography (2018). Vol. H, ch. 3.1, p. 238

Table 3.1.2 

J. P. Cline,a* M. H. Mendenhall,a D. Black,a D. Windovera and A. Heninsa

aNational Institute of Standards and Technology, Gaithersburg, Maryland, USA
Correspondence e-mail:  james.cline@nist.gov

Table 3.1.2| top | pdf |
Run-time parameters used for collection of the data used for certification of SRM 660b

The `overhead time' associated with the operation of the goniometer is included.

hklStart angle (°)End angle (°)Step width (°)Count time (s)Total peak time (min)
100 20.3 22.2 0.01 2 6.3
110 29.1 31.4 0.01 1 3.8
111 36.4 38.4 0.01 3 10.0
200 42.7 44.4 0.01 5 14.2
210 48 50 0.008 2 8.3
211 53.2 54.896 0.008 5 17.7
110 62.5 64.204 0.008 11 39.0
300 66.7 68.596 0.008 4 15.8
310 70.9 72.7 0.008 6 22.5
311 75 76.904 0.008 9 35.7
222 79.3 80.804 0.008 47 147.3
320 83 84.904 0.008 15 59.5
321 86.9 88.9 0.008 8 33.3
400 95 96.704 0.008 42 149.1
410 98.6 100.8 0.008 9 41.3
330 102.7 104.9 0.008 12 55.0
331 106.9 108.9 0.01 27 90.0
420 111.1 113.1 0.01 20 66.7
421 115.3 117.6 0.01 10 38.3
332 119.9 122.1 0.01 19 69.7
422 129.6 131.796 0.012 32 97.6
500 134.9 137.396 0.012 27 93.6
510 140.5 144 0.014 7 29.2
511 147.5 150.908 0.016 15 53.2
Total time = 20.0 hours