A semi-empirical method of absorption correction
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...…Q( r, 2 ), where is the linear absorption coefficient and r the effective radius of the crystal: Icorrected ¼ Iraw SðnÞPðu; v;wÞQð r; 2 Þ: ð1Þ Similar approximations were used by Kopfmann & Huber (1968), North et al. (1968) and Huber & Kopfmann (1969) and in many subsequent papers and programs....
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...The empirical or multiscan correction involves refining the incident beam scale factors and spherical harmonic coefficients so that the intensities of equivalent reflections become more equal (Kopfmann & Huber, 1968; North et al., 1968; Blessing, 1995)....
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...The SADABS program (Bruker, 2014) assumes that the corrected intensity is given by the product of an incident beam scale factor S(n), where n is the frame number, a diffracted beam factor P(u, v, w), where u, v and w are the direction cosines of the diffracted beam relative to crystal-fixed axes, and a spherical crystal factor Q( r, 2 ), where is the linear absorption coefficient and r the effective radius of the crystal: Icorrected ¼ Iraw SðnÞPðu; v;wÞQð r; 2 Þ: ð1Þ Similar approximations were used by Kopfmann & Huber (1968), North et al. (1968) and Huber & Kopfmann (1969) and in many subsequent papers and programs....
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