Technology, Government of India, New Delhi. AKS gratefully
acknowledges the award of a fellowship (SRF) by CSIR, Delhi.
We sincerely thank Prof. G. Sheldrick of Institut fu¨r Anorganische
Chemie, Universita¨t Go¨ttingen, Germany for his help in the
structure solution of 2a. Comments of the reviewers were very
helpful at the revision stage.
10 (a) G. E. D. Mullen, P. J. Blower, D. J. Price, A. K. Powell, M. J. Howard
and M. J. Went, Inorg. Chem., 2000, 39, 4093; (b) G. E. D. Mullen, T. F.
Fa¨ssler, M. J. Went, K. Howland, B. Stein and P. J. Blower, J. Chem.
Soc., Dalton Trans., 1999, 3759; (c) M. A. Bennett, L. Y. Goh and A. C.
Wilis, J. Am. Chem. Soc., 1996, 118, 4984; (d) M. A. Bennett, L. Y. Goh
and A. C. Willis, J. Chem. Soc., Chem. Commun., 1992, 1180; (e) D.
Sellmann, H.-P. Neuner, M. Moll and F. Knoch, Z. Naturforsch., B,
1991, 46b, 303; (f) A. J. Blake, A. J. Holder, T. I. Hyde, H.-J. Kuppers, M.
Schroder, S. Stotzel and K. Wieghardt, J. Chem. Soc., Chem. Commun.,
1989, 1600.
11 (a) C. Basu, S. Chowdhury and S. Mukherjee, Indian J. Chem., 2006,
45A, 1126 and references therein; (b) G. Rajsekhar, C. P. Rao, P. K.
Saarenketo, K. Na¨ttinen and K. Rissanen, New J. Chem., 2004, 28,
75; (c) G. Rajsekhar, C. P. Rao, P. K. Saarenketo, E. Kolehmainen
and K. Rissanen, Inorg. Chem. Commun., 2002, 5, 649; (d) L. R.
Hanton and K. Lee, Inorg. Chem., 1999, 38, 1634; (e) P. Chakraborty,
S. K. Chandra and A. Chakravorty, Inorg. Chem., 1994, 33, 4959;
(f) P. Chakraborty, S. Karmakar, S. K. Chandra and A. Chakravorty,
Inorg. Chem., 1994, 33, 816; (g) P. Chakraborty, S. K. Chandra and A.
Chakravorty, Organometallics, 1993, 12, 4726.
12 (a) X. Zhou, A. I. Day, A. J. Edwards, A. C. Willis and W. G. Jackson,
Inorg. Chem., 2005, 44, 452 and references therein; (b) P. Kofod, E.
Larsen, C. H. Petersen, J. Springborg and D.-N. Wang, Acta Chem.
Scand., 1992, 46, 841; (c) M. J. Bjerrum, M. Gajhede, E. Larsen and
J. Springborg, Inorg. Chem., 1988, 27, 3960; (d) K. Kanamori, W. E.
Broderick, R. F. Jordan, R. D. Willett and J. I. Legg, J. Am. Chem.
Soc., 1986, 108, 7122.
13 S. S. Chhikara, N. Kumar, V. Tondon and A. K. Mishra, Bioorg. Med.
Chem., 2005, 13, 4713.
14 C. Ercolani, M. Gardini, G. Pennesi, G. Rossi and U. Russo, Inorg.
Chem., 1988, 27, 422.
References
1 O. Belda and C. Moberg, Coord. Chem. Rev., 2005, 249, 727.
2 (a) A. K. Singh and R. Mukherjee, Inorg. Chem., 2005, 44, 5813 and
references therein; (b) A. K. Singh and R. Mukherjee, Dalton Trans.,
2005, 2886 and references therein; (c) A. K. Patra, M. Ray and R.
Mukherjee, Inorg. Chem., 2000, 39, 652; (d) A. K. Patra, M. Ray and
R. Mukherjee, J. Chem. Soc., Dalton Trans., 1999, 2461; (e) A. K. Patra
and R. Mukherjee, Polyhedron, 1999, 18, 1317.
3 (a) K. Ghosh, A. A. Eroy-Reveles, M. M. Olmstead and P. K.
Mascharak, Inorg. Chem., 2005, 44, 8469 and references therein;
(b) A. K. Patra, M. J. Rose, M. M. Olmstead and P. K. Mascharak,
J. Am. Chem. Soc., 2004, 126, 4780; (c) J. M. Rowland, M. M. Olmstead
and P. K. Mascharak, Inorg. Chem., 2000, 39, 5326; (d) L. A. Tyler, J. C.
Noveron, M. M. Olmstead and P. K. Mascharak, Inorg. Chem., 2000,
39, 357.
4 (a) J. M. Dom´ınguez-Vera, J. Sua´rez-Varela, I. B. Maimoun and E.
Colacio, Eur. J. Inorg. Chem., 2005, 1907; (b) C. F. Fortney and R. E.
Shepherd, Inorg. Chem. Commun., 2004, 7, 1064; (c) A. Das, S.-M.
Peng, G.-H. Lee and S. Bhattacharya, New J. Chem., 2004, 28, 712;
(d) J.-Y. Qi, Q.-Y. Yang, S.-S. Chan, Z.-Y. Zhou and A. S. C. Chan,
Acta Crystallogr., Sect. C, 2004, C60, m210; (e) J.-Y. Qi, H.-X. Ma,
X.-J. Li, Z.-Y. Zhou, M. C. K. Choi, A. S. C. Chan and Q.-Y. Yang,
Chem. Commun., 2003, 1294; (f) J.-Y. Qi, L. Q. Qiu, K. H. Lam, C. W.
Yip, Z. Y. Zhou and A. S. C. Chan, Chem. Commun., 2003, 1058; (g) M.
Amirnasr, K. J. Schenk and S. Meghdadi, Inorg. Chim. Acta, 2002, 338,
19.
5 (a) U. Beckmann, E. Bill, T. Weyhermu¨ller and K. Wieghardt, Inorg.
Chem., 2003, 42, 1045; (b) S. K. Dutta, U. Beckmann, E. Bill, T.
Weyhermu¨ller and K. Wieghardt, Inorg. Chem., 2000, 39, 3355.
6 (a) A. K. Singh, V. Balamurugan and R. Mukherjee, Inorg. Chem.,
2003, 42, 6497; (b) A. K. Patra, M. Ray and R. Mukherjee, Polyhedron,
2000, 19, 1423; (c) A. K. Patra and R. Mukherjee, Inorg. Chem., 1999,
38, 1388; (d) M. Ray, D. Ghosh, Z. Shirin and R. Mukherjee, Inorg.
Chem., 1997, 36, 3568 and references therein.
7 (a) T. C. Harrop, L. A. Tyler, M. M. Olmstead and P. K. Mascharak,
Eur. J. Inorg. Chem., 2003, 475; (b) D. S. Marlin, M. M. Olmstead and
P. K. Mascharak, Eur. J. Inorg. Chem., 2002, 859; (c) J. C. Noveron,
M. M. Olmstead and P. K. Mascharak, J. Am. Chem. Soc., 2001, 123,
3247; (d) L. A. Tyler, M. M. Olmstead and P. K. Mascharak, Inorg.
Chim. Acta, 2001, 321, 135; (e) J. C. Noveron, M. M. Olmstead and
P. K. Mascharak, J. Am. Chem. Soc., 1999, 121, 3553.
8 (a) S. L. Jain, P. Bhattacharyya, H. L. Milton, A. M. Z. Slawin, J. A.
Crayston and J. D. Woolins, Dalton Trans., 2004, 862; (b) E. Kolomiets,
V. Berl, I. Odriozola, A.-M. Stadler, N. Kyritsakas and J.-M. Lehn,
Chem. Commun., 2003, 2868; (c) Z. Shirin, J. Thompson, L. Liable-
Sands, G. P. A. Yap, A. L. Rheingold and A. S. Borovik, J. Chem.
Soc., Dalton Trans., 2002, 1714; (d) T. Yano, R. Tanaka, T. Nishioka,
I. Kinoshita, K. Isobe, L. J. Wright and T. J. Collins, Chem. Commun.,
2002, 1396.
15 (a) D. F. Evans, J. Chem. Soc., 1959, 2003; (b) C. J. O’Connor, Prog.
Inorg. Chem., 1982, 29, 203.
16 L. J. Farrugia, WinGX Version 1.64, An Integrated System of Windows
Programs for the Solution, Refinement and Analysis of Single-Crystal X-
ray Diffraction Data, Department of Chemistry, University of Glasgow,
2003.
17 PLATON: A. L. Spek, J. Appl. Crystallogr., 2003, 36, 7.
18 (a) A. J. Blake and M. Schro¨der, Adv. Inorg. Chem., 1990, 35, 1; (b) S. R.
Cooper, Acc. Chem. Res., 1988, 21, 141; (c) S. R. Cooper and S. C.
Rawle, Struct. Bonding, 1990, 72, 1.
19 (a) A. Challita-Bechara, G. C. Chiumia, D. C. Craig, D. J. Phillips and
A. D. Rae, Inorg. Chim. Acta, 1998, 271, 210; (b) J. Hausmann, G. B.
Jameson and S. Brooker, Chem. Commun., 2003, 2992; (c) J. Hausmann
and S. Brooker, Chem. Commun., 2004, 1530.
20 W. J. Geary, Coord. Chem. Rev., 1971, 7, 81.
21 F. A. Cotton, G. Wilkinson, C. A. Murillo and M. Bochmann, Advanced
Inorganic Chemistry, Wiley, New York, 6th edn, 1999, pp. 820–821.
22 (a) S. Kremer, W. Henke and D. Reinen, Inorg. Chem., 1982, 21, 3013;
(b) J. R. Hartman, E. J. Hintsa and S. R. Cooper, J. Chem. Soc., Chem.
Commun., 1984, 386; (c) J. Zarembowitch and O. Kahn, Inorg. Chem.,
1984, 23, 589; (d) J. R. Hartman, E. J. Hintsa and S. R. Cooper, J. Am.
Chem. Soc., 1986, 108, 1208; (e) G. S. Wilson, D. D. Swanson and
R. S. Glass, Inorg. Chem., 1986, 25, 3827 and references therein; (f) D.
Reinen, A. Ozarowski, B. Jakob, J. Pebler, Stratemeier, K. Wieghardt
and I. Tolksdorf, Inorg. Chem., 1987, 26, 4010; (g) J. Faus, M. Julve, F.
Lloret and M. Carmen Mun˜oz, Inorg. Chem., 1993, 32, 2013.
23 S.-T. Mak, W.-T. Wong, V. W.-W. Yam, T.-F. Lai and C.-M. Che,
J. Chem. Soc., Dalton Trans., 1991, 1915.
24 (a) F. A. Walker, J. Am. Chem. Soc., 1970, 92, 4235; (b) A. Rockenbauer,
9 (a) P. K. Mascharak, Coord. Chem. Rev., 2002, 225, 201; (b) T. C.
Harrop and P. K. Mascharak, P. K., Acc. Chem. Res., 2004, 37, 253;
(c) J. A. Kovacs, Chem. Rev., 2004, 104, 825.
´
E. Budo´-Za´honyi and L. I. Sima´ndi, J. Chem. Soc., Dalton Trans., 1975,
1729; (c) W. C. Lin and P. W. Lau, J. Am. Chem. Soc., 1976, 98, 1447.
270 | Dalton Trans., 2008, 260–270
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