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Acta Cryst. (2005). E61, m1542-m1544  [ doi:10.1107/S1600536805021045 ]

Tetra-n-butylammonium di-[mu]-hydroxo-bis[dinitratodioxouranate(VI)]

A. Fischer and G. Palladino

Online 13 July 2005

Key indicators

checkCIF/PLATON results

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Alert level C PLAT041_ALERT_1_C Calc. and Rep. SumFormula Strings Differ .... ? PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ .... ? PLAT045_ALERT_1_C Calculated and Reported Z Differ by ............ 2.00 Ratio PLAT241_ALERT_2_C Check High Ueq as Compared to Neighbors for C2 PLAT241_ALERT_2_C Check High Ueq as Compared to Neighbors for O3 PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for U1 PLAT342_ALERT_3_C Low Bond Precision on C-C bonds (x 1000) Ang ... 15 PLAT764_ALERT_4_C Overcomplete CIF Bond List Detected (Rep/Expd) . 1.13 Ratio
Alert level G FORMU01_ALERT_2_G There is a discrepancy between the atom counts in the _chemical_formula_sum and the formula from the _atom_site* data. Atom count from _chemical_formula_sum:C32 H74 N6 O18 U2 Atom count from the _atom_site data: C32 H72 N6 O18 U2 CELLZ01_ALERT_1_G Difference between formula and atom_site contents detected. CELLZ01_ALERT_1_G WARNING: H atoms missing from atom site list. Is this intentional? From the CIF: _cell_formula_units_Z 2 From the CIF: _chemical_formula_sum C32 H74 N6 O18 U2 TEST: Compare cell contents of formula and atom_site data atom Z*formula cif sites diff C 64.00 64.00 0.00 H 148.00 144.00 4.00 N 12.00 12.00 0.00 O 36.00 36.00 0.00 U 4.00 4.00 0.00
0 ALERT level A = In general: serious problem 0 ALERT level B = Potentially serious problem 8 ALERT level C = Check and explain 3 ALERT level G = General alerts; check 5 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 4 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 1 ALERT type 4 Improvement, methodology, query or suggestion

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