Research Article
Influence of the Steric Demand of Coligands on the Catalytic Activity of Nickel(II) Complexes in the Copolymerization of Ethene and Carbon Monoxide
Table 4
Crystallographic data for compounds K5, K6, and K7.
| | Compound | K5 | K6 | K7 |
| | Formula | C31H44F7N2NiOP | C25H32F7N2NiO4P | C37H38F7N2NiOP | | M | 683.34 | 647.19 | 749.35 | | Crystal system | Monoclinic | Triclinic | Triclinic | | Space group | P21/ | | | | a/Å | 12.0021 (6) | 9.7103 (7) | 9.9207 (7) | | b/Å | 16.6042 (11) | 11.7232 (8) | 13.4244 (11) | | c/Å | 18.4725 (10) | 14.4679 (11) | 14.4237 (11) | | /° | 90 | 79.190 (8) | 78.645 (10) | | /° | 104.344 (6) | 76.418 (8) | 74.442 (9) | | /° | 90 | 69.264 (8) | 78.768 (9) | | V/Å3 | 3566.5 (4) | 1487.3 (2) | 1793.7 (3) | | Z | 4 | 2 | 2 | | /g cm−3 | 1.273 | 1.445 | 1.388 | | F(000) | 1432 | 668 | 776 | | (Mo-Ka)/mm−1 | 0.650 | 0.782 | 0.654 | | /° | 51.98 | 50.00 | 50.00 | | Total reflections | 24162 | 20560 | 24121 | | Independent reflections | 6949 | 4971 | 6128 | | Observed reflections [I > 2 ()] | 2801 | 3811 | 4084 | | Parameters refined | 448 | 394 | 445 | | R1/wR2 [ (I)] | 0.0637, 0.1223 | 0.0622, 0.1612 | 0.0463, 0.1022 | | R1/wR2 (all data) | 0.1238, 0.1252 | 0.0744, 0.1644 | 0.0661, 0.1048 | | Goodness-of-fit on | 1.201 | 1.746 | 1.100 | | Largest diff. peak and hole | 0.524/−0.385 | 1.276/−0.542 | 0.549/−0.227 |
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