How are partial scattering factors and truncation distance determined?

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Andrew

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Sep 25, 2012, 3:06:09 PM9/25/12

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I've been working on running RMC profile with some data collected at the SNS NOMAD instrument and I've been using the tutorials as a model for setting up the calculation. When using the convol_norm_new tool (or the CONVOLVE :: keyword) how do you determine the sum of the partial scattering factors and the appropriate truncation distance for your supercell? The data collected has been scaled to the scattering power of an SiO2 std. Thanks for your help!