Details of GSAS fit for Cr2O3 674b data jun/11bmb_4716

# File no. =              4716
# No. steps =             34500
# Scan time =             JUN 01, 2014 00:52
# Sample name =     	  NIST SRM 674b (Cr2O3)
# Composition =           Chromium(III) oxide
# Sample Comment =        0.8 mm dia Kapton
# Temp (K) =              295.0
# 2theta step (deg) =     0.001
# Time per step (sec) =   0.1
# 100/Ring Current[0] =   0.984 
# Monitor I0 [0] =        92666.8 
# Monitor I1 [0] =        75642.1 
# Gonio._radius [mm] =    1000.0
# Calibration file =      11bmb_4699_2thcorr.calib
# 2Theta correction subtracted
# Normalization factor  = 8.3664
# Calibrated wavelength = 0.413671

GSAS Fit Summary of 11-BM Cr2O3 674b Data 
# by Matthew Suchomel at APS/ANL, 2014

Using GSAS/EXPGUI
**************************************
lattice a =       4.95892 (refined)
 SRM lattice a  = 4.95898 A
 Delta lattice a from SRM = 0.00006 A

lattice c =       13.5961 (refined)
 SRM lattice c  = 13.5959 A
 Delta lattice c from SRM = 0.0002 A

Ce X,Y,Z = 0, 0, 0.347  (refined) 
Ce Uiso = 0.002
O X,Y, Z, = 0.306, 0, 0.25 (refined)  
O Uiso = 0.004

background = 6-term Shifted Chebyschev (type #1)
GSAS Profile type 4
GU = 1.35  (refined) 
GV = -0.40 (refined) 
GW = 0.10 (refined) 
LX = 0.71 (refined - gives particle size of ~ 340 nm, 
 	    compared with SRM cited size of 380 nm)
S1 = 8.099E-02 (refined)
S2 = 8.677E-04 (refined)
S3 = 3.862E-03 (refined)
SH/L = 0.0011 (FIXED)

2th zero (deg) =  0.00012 (refined)
Absorption (mR/L) = 0.0 (FIXED)

Rwp % = 9.4%
chi**2 = 3.04