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. 2015 Jun 27;71(Pt 7):861–863. doi: 10.1107/S2056989015011780

Table 3. Experimental details.

Crystal data
Chemical formula C5H6NO+C9H5O6
M r 305.24
Crystal system, space group Orthorhombic, P n a21
Temperature (K) 122
a, b, c () 29.3465(10), 12.2113(5), 3.6206(2)
V (3) 1297.47(10)
Z 4
Radiation type Cu K
(mm1) 1.10
Crystal size (mm) 0.11 0.06 0.06
 
Data collection
Diffractometer Bruker APEXII
Absorption correction Numerical (SADABS; Krause et al., 2015)
T min, T max 0.694, 0.753
No. of measured, independent and observed [I > 2(I)] reflections 6000, 2322, 2172
R int 0.018
(sin /)max (1) 0.614
 
Refinement
R[F 2 > 2(F 2)], wR(F 2), S 0.028, 0.071, 1.05
No. of reflections 2322
No. of parameters 213
No. of restraints 1
H-atom treatment H atoms treated by a mixture of independent and constrained refinement
max, min (e 3) 0.15, 0.19
Absolute structure Flack x determined using 786 quotients [(I +)(I )]/[(I +)+(I )] (Parsons et al., 2013)
Absolute structure parameter 0.20(8)

Computer programs: APEX2 and SAINT (Bruker 2012), SHELXS97 (Sheldrick, 2008), SHELXL2014 (Sheldrick, 2015), OLEX2 (Dolomanov et al., 2009), Mercury (Macrae et al., 2008), POVRay (Cason, 2003), publCIF (Westrip, 2010) and PLATON (Spek, 2009).