12 M. A. Ciriano, J. J. Perez-Torrente, L. A. Oro, A. Tiripicchio and
space group P1, a = 11.592(2), b = 11.9292(14), c = 13.6590(11)
Å, α = 88.531(8), β = 84.457(11), γ = 61.357(12)0, U = 1649.4(4)
Å3, T = 293(2) K, Z = 2, µ(Mo-Kα) = 2.546 mmϪ1, 6107 reflec-
tions measured, 5790 unique (Rint = 0.026) which were used in
all calculations. The final wR2 = 0.0851, R1 = 0.0381.
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X-Ray data on orange-red crystals of [(Prn P)Cl2Pd(NC5H4-
3
Se)PdCl(PPrn )] 3a were collected at room temperature
3
on an Enraf-Nonius CAD-4 diffractometer using graphite-
monochromated Mo-Kα radiation (λ = 0.710 73 Å) employing
the ω–2θ scan technique. The unit-cell parameters were deter-
mined from 25 reflections measured by random search routine
and indexed by the method of short vectors followed by least-
squares refinement. The intensity data were corrected for
Lorentz-polarization and absorption effects. The structure was
solved using SHELXS 8631 and refined using SHELXL 9332
computer programs. The non-hydrogen atoms were refined
anisotropically.
CCDC reference number 186/1000.
18 H. G. Mautner, S. H. Chu and C. M. Lee, J. Org. Chem., 1962, 27,
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graphic files in .cif format.
Acknowledgements
One of the authors (S. N.) is grateful to the Department of
Atomic Energy for the award of a Senior Research Fellowship.
The authors thank Drs. J. P. Mittal and C. Gopinathan for their
encouragement of this work. The facilities provided by the
Analytical Chemistry Division, Bhabha Atomic Research
Centre, for the microanalyses are gratefully acknowledged.
20 V. K. Jain, R. P. Patel and K. Venkatasubramanian, Polyhedron,
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Received 28th January 1998; Paper 8/00758F
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