Data as prepared for FULLPROF for cell confirmation, first step
Na/COO 0 5 1 15 2 0 1 1 0 0 1 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 1 0 1 0 0 2 0 0 1.540560 1.544390 0.5000 90.0000 9.0000 0.7995 0.0000 80.00 0.0000 20 0.01 0.40 0.40 0.40 0.20 10.00 0.02 130.00 0.000 0.000 10.40 2746.58 11.40 2372.05 12.98 1955.90 14.56 1706.21 15.56 1622.98 18.14 1464.84 20.14 1364.97 21.12 1332.06 28.08 1404.55 35.04 1794.20 40.60 1893.88 48.14 1830.45 59.48 1540.48 67.82 1231.80 116.68 1065.34 1.00 10.00 130.00 170.00 1 !Number of refined parameters -0.0760 11.00 0.0000 0.00 0.0000 0.00 0.000000 0.00 0 Na/COO 0 0 0 1.0 0.0 0.0 2 0 0 0 0 0.00 0 5 0 P 2/M <-- Space group symbol 0.10000E-01 0.4000 0.0000 0.0000 0.0000 0.0000 0 Scale ETA Bov Strain 0.00000 21.00 0.00 0.00 0.00 0.00 0.03500 0.02000 0.02500 0.0000 0.0000 0.0000 0.0000 0 U V W X Y Siz12 51.00 41.00 31.00 0.00 0.00 0.00 0.00 10.422929 5.255810 3.482510 90.000000 93.089127 90.000000 Cell params 81.00000 91.00000 101.00000 0.00000 111.00000 0.00000 1.00000 0.00000 0.04000 0.05000 0.00000 0.00000 O1 O2 A-symtry Params 0.00 0.00 61.00 71.00 0.00 0.00
Results after 20 cycles refining only the zeropoint
******************************************************* *** PROGRAM FULLPROF (Version 3.1d - Jul96-LLB JRC) *** ******************************************************* Rietveld, Profile Matching & Integrated Intensity Refinement of X-ray and/or Neutron Data Date: 02/10/97 Time: 11:24:55.03 => PCR file code: naoxa0 => DAT file code: naoxa0 => Title: Na/COO ==> CONDITIONS OF THIS RUN: => Global Refinement of X-ray powder diffraction data Bragg-Brentano or Debye-Scherrer geometry => The 5th default profile function was selected => Data supplied in free format => Wavelengths: 1.54056 1.54439 => Base of peaks: 2.0*HW* 9.00 => Cos(Monochromator angle)= 0.7995 => Absorption correction (muR-eff): 0.0000 ==> Angular range, step and number of points: 2Thmin: 10.0000 2Thmax: 130.0000 Step: 0.0200 No. of points: 6001 => Pattern Matching (fixed scale) for phase: 1 => Scor: 3.6504 ==> RESULTS OF REFINEMENT: => No. of fitted parameters: 1 ------------------------------------------------------------------------------ => Phase No. 1 Na/COO P 2/M ------------------------------------------------------------------------------ => No. of reflections: 729 ==> PROFILE PARAMETERS: => Cell parameters : 10.42293 0.00000 5.25581 0.00000 3.48251 0.00000 90.00000 0.00000 93.08913 0.00000 90.00000 0.00000 => Overall scale factor : 0.010000000 0.000000000 => ETA(p-V) or M(P-VII) : 0.40000 0.00000 => Overall Tem. factor : 0.00000 0.00000 => Halfwidth parameters : 0.03500 0.00000 0.02000 0.00000 0.02500 0.00000 => Preferred orientation: 1.00000 0.00000 0.00000 0.00000 => Asymmetry parameters : 0.04000 0.00000 0.05000 0.00000 0.00000 0.00000 0.00000 0.00000 => X and Y parameters : 0.00000 0.00000 0.00000 0.00000 => Strain parameters : 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000 => Size parameters : 0.00000 0.00000 0.00000 0.00000 ==> GLOBAL PARAMETERS: => Zero-point: -0.0924 0.0002 => Cos( theta)-shift parameter : 0.0000 0.0000 => Sin(2theta)-shift parameter : 0.0000 0.0000 ==> RELIABILITY FACTORS FOR POINTS WITH BRAGG CONTRIBUTIONS: => N-P+C: 5639 => Rp: 5.29 Rwp: 7.12 Rexp: 1.50 Chi2: 22.4 L.S. refinement => Conventional Rietveld R-factors ==> => Rp: 7.60 Rwp: 9.37 Rexp: 1.98 Chi2: 22.4 => Deviance: 0.125E+06 Dev* : 22.11 => DW-Stat.: 0.1677 DW-exp: 1.9177 => N-sigma of the GoF: 1136.260 => Phase: 1 => Bragg R-factor: 2.24 Vol: 190.498 Fract(%): 0.00 => Rf-factor= 1.20 ATZ: 0.000 Brindley: 1.0000