++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + XPREP - DATA PREPARATION & RECIPROCAL SPACE EXPLORATION Ver. 5.1/NT + + COPYRIGHT(c) 1997 Bruker Analytical X-ray Systems All Rights Reserved + + s92 started at 15:35:33 on 06-FEB-0 + ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Original cell in Angstroms and degrees: 10.023 10.875 15.397 79.21 77.13 69.25 23097 Reflections read from file s92.hkl; mean (I/sigma) = 7.91 Lattice exceptions: P A B C I F Obv Rev All N (total) = 0 11524 11580 11528 11558 17316 15398 15393 23097 N (int>3sigma) = 0 6717 6686 6801 6887 10102 9077 9029 13550 Mean intensity = 0.0 40.4 43.8 46.7 47.9 43.6 49.8 47.4 49.1 Mean int/sigma = 0.0 7.8 7.7 8.0 8.1 7.8 8.1 7.9 8.0 Lattice type: P chosen Volume: 1519.28 ------------------------------------------------------------------------------- DETERMINATION OF REDUCED (NIGGLI) CELL Transformation from original cell (HKLF-matrix): 1.0000 0.0000 0.0000 0.0000 1.0000 0.0000 0.0000 0.0000 1.0000 Unitcell: 10.023 10.875 15.397 79.21 77.13 69.25 Niggli form: a.a = 100.46 b.b = 118.28 c.c = 237.07 b.c = 31.35 a.c = 34.37 a.b = 38.61 ------------------------------------------------------------------------------- SEARCH FOR HIGHER METRIC SYMMETRY ------------------------------------------------------------------------------ Option A: FOM = 0.000 deg. TRICLINIC P-lattice R(int) = 0.114 [ 16289] Cell: 10.023 10.875 15.397 79.21 77.13 69.25 Volume: 1519.28 Matrix: 1.0000 0.0000 0.0000 0.0000 1.0000 0.0000 0.0000 0.0000 1.0000 Option A selected ------------------------------------------------------------------------------- SPACE GROUP DETERMINATION Lattice exceptions: P A B C I F Obv Rev All N (total) = 0 11524 11580 11528 11558 17316 15398 15393 23097 N (int>3sigma) = 0 6717 6686 6801 6887 10102 9077 9029 13550 Mean intensity = 0.0 40.4 43.8 46.7 47.9 43.6 49.8 47.4 49.1 Mean int/sigma = 0.0 7.8 7.7 8.0 8.1 7.8 8.1 7.9 8.0 Crystal system A and Lattice type P selected Mean |E*E-1| = 0.972 [expected .968 centrosym and .736 non-centrosym] Chiral flag NOT set Systematic absences not required for triclinic Option Space Group No. Type Axes CSD R(int) N(eq) Syst. Abs. CFOM [A] P-1 # 2 centro 1 8646 0.114 16289 0.0 / 8.0 1.27 [B] P1 # 1 chiral 1 700 0.114 16289 0.0 / 8.0 6.96 Option [A] chosen ------------------------------------------------------------------------------- Determination of unit-cell contents Formula: C16H34Cl4N10O4P6 Formula weight = 758.15 Tentative Z (number of formula units/cell) = 2.0 giving rho = 1.657, non-H atomic volume = 19.0 and following cell contents and analysis: C 32.00 25.35 % H 68.00 4.52 % N 20.00 18.48 % O 8.00 8.44 % P 12.00 24.51 % Cl 8.00 18.70 % F(000) = 780.0 Mo-K(alpha) radiation Mu (mm-1) = 0.75 ------------------------------------------------------------------------------- File s92.ins set up as follows: TITL s92 in P-1 CELL 0.71073 10.0230 10.8755 15.3970 79.211 77.133 69.254 ZERR 2.00 0.0004 0.0005 0.0007 0.002 0.002 0.002 LATT 1 SFAC C H N O P CL UNIT 32 68 20 8 12 8 TREF HKLF 4 END -------------------------------------------------------------------------------