11 expl (D) Experimental Parameters

Packet Size - Variable (one packet per data set)

IDN Description
1 data set key (1 designates dataset 1, etc.)
2 wavelength (weighted mean) in Angstroms
3 wavelength line1 in Angstroms
4 wavelength line2 in Angstroms
5 wavelength line3 in Angstroms
6 relative weight wavelength line1
7 relative weight wavelength line2
8 relative weight wavelength line3
10 linear absorption coefficient in 1/mm
11 sort mode applied by SORTRF
12 sorting order of hkl as slow/med/fast ( 312is l slow, k fast)
13-15 a, b, c cell dimensions in Angstroms
16-18 cosα, cosβ, cosγ
19-21 α, β, γ in cycles (2π = 1.0000)
22 cell volume
23-25 e.s.d. of a, b, c in 13-15
26-28 e.s.d. of α, β, γ in 19-21
29 e.s.d. of cell volume in 22
   
31 sense of rotation of chi circle; +1 for clockwise, -1 anticlockwise
32 sense of rotation of phi circle \(^{1}  \)
33 sense of rotation of theta or two theta circle
34 sense of rotation of omega circle
35 reflection scanning method used during data collection
  1= theta two theta 2= Wyckoff 3= omega
36 hkl permitted sign pattern as packed word (0=-; 1=+)
40 diffractometer type (1 char) E=Enraf Nonius, G=GE-XRD,
  H=Hilger Watts, P=Picker, S=Siemens (Nicolet/Syntex)
  T=Stoe, W=Philips, O=other.
41-49 orientation matrix UB (11, 12, 13, ..., 33)
50 monochromator two theta angle (in degrees)
51 monochromator perfection factor (0 to 1.)
52 polarization ratio for incident beam on crystal \(P_{perp}/P_{total}\)
53 e.s.d. of polarization ratio
54 refinement weight of polarization ratio
55 dihedral angle between monochromator and diffraction planes
56 incident beam half width and intensity
57 polarization factor of source beam (0.0 to 1.0)
   
81 temperature of cell and intensity measurement in Kelvin
82 pressure of cell and intensity measurement in GPa
   
85 experimentally measured crystal density
86 e.s.d. of 85
87 calculated crystal density
88 e.s.d. of 87
89 wavelength of radiation used in cell refinement
90 number of hkl used in cell refinement
91 min theta for cell determination
92 max theta for cell determination
93 radiation used in cell and intensity measurement as an element symbol or source (20 chars)
94 type of radiation used in cell and intensity measurement (1=neutrons,2=electrons, 3=X-ray Mo Kα, 4=X-ray Cu Kα, 5=X-ray Ag Kα,6=X-ray synchrotron )
   
100 number of scale groups
101..100+n F relative scale factor for scale group n (max=64)
201..200+n scale group numbers associated with the scale factors
   
300 Number of crystal faces
301-303 h, k, l of crystal face 1
304 distance of crystal face 1 from centre in mm.
305 angle phi of crystal face 1
306 angle chi of crystal face 1
307 angle kappa of crystal face 1
308 e.s.d. of distance (IDN 304)
309 weight of distance (IDN 304) in refinement
311-319 as for 301-309 for crystal face 2, up to 20 faces
   
501-502 min and max h for measured intensities before averaging
503-504 min and max k for measured intensities before averaging
505-506 min and max l for measured intensities before averaging
507-508 min and max θ for measured intensities in degrees
511 intensity measurement method (40 chars)
512 radiation monochomator description (40 chars)
513 absorption method applied (40 chars)
514 intensity averaging process (40 chars)
515 intensity reduction process (40 chars)
   
521 total number of reflections measured
522 number of reflections after averaging of equivalents
523 averaged coefficient Y (1=F; 2= \(F^{2}\) ; 3=I)
524 R-factor of averaged coefficients (sum of Y diff)/(sum of Y)
525 (sum of sigma(Y))/(sum of Y)
526 absorption transmission T min
527 absorption transmission T max
   
531-535 criteria used for rcodes 1 to 5 (40 chars each)
536-540 number of reflections assigned rcodes 1 to 5
541 radius of crystal sphere/cylinder in mm
542 e.s.d. of radius
543 refinement weight of crystal radius
544 length of crystal cylinder in mm
545 e.s.d. of crystal length
546 refinement weight of crystal length
547 counter dead time in microseconds
548 e.s.d. dead time
549 refinement weight of dead time
550 wavelength of beta-filter absorption edge
551 crystal size max in mm
552 crystal size mean in mm
553 crystal size min in mm
560 crystal colour (20 characters)
561 crystal shape (20 characters)
   
601 number of standard reflections
602 number of reflections measured between standards
603 standards decay ratio
604 time (in minutes) between standards
610-612 h, k, l of standard reflection 1
613-615 h, k, l of standard reflection 2, up to 30 standards
   
701 number of attenuator filters
702 attenuator filter index for filter 1
703 reciprocal transmission factor (> 1.0) for filter 1
704 e.s.d. in rec. transmission factor for filter 1
705 refinement weight of rec. transmission for filter 1
706-709 like 702-705 for filter 2
   
  1 See program ABSORB for the definition of angles.