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Acta Cryst. (2005). E61, o2685-o2686  [ doi:10.1107/S1600536805023019 ]

(±)-trans-1,2,3,4,4a,9a-Hexahydroanthrone

R. A. Lalancette and H. W. Thompson

Online 23 July 2005


Key indicators

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Alert level B PLAT027_ALERT_3_B _diffrn_reflns_theta_full (too) Low ............ 24.99 Deg.
Alert level C PLAT480_ALERT_4_C Long H...A H-Bond Reported H9A .. O1 .. 2.66 Ang. PLAT480_ALERT_4_C Long H...A H-Bond Reported H5A .. O1 .. 2.61 Ang. PLAT720_ALERT_4_C Number of Unusual/Non-Standard Label(s) ........ 1
0 ALERT level A = In general: serious problem 1 ALERT level B = Potentially serious problem 3 ALERT level C = Check and explain 0 ALERT level G = General alerts; check 0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 0 ALERT type 2 Indicator that the structure model may be wrong or deficient 1 ALERT type 3 Indicator that the structure quality may be low 3 ALERT type 4 Improvement, methodology, query or suggestion

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