Crystal and molecular structure of an unusual salt formed from the radical cation of tetrathiafulvalene (TTF) and the trichloromercurate anion (HgCl3), (TTF)(HgCl3)

Structure of tetraphenylphosphonium triiodomercurate(II), [P(C6H5)4][HgI3]

“…Each mercury is surrounded by four iodines in a distorted tetrahedral arrangement, and the structure can be envisioned as a pair of HgI 4 tetrahedra sharing an edge. This dimeric arrangement has been reported for two other triiodomercurates (Contreras, Seguel & Honle, 1980;Beurskens, Bosman & Cras, 1972) as well as for various bromo-and chloromercurates (Goggin, King, McEwan, Taylor, Woodward & Sandstrom, 1982;Gal, Beurskens, Cras, Beurskens & Willemse, 1976;Kistenmacher, Rossi, Chiang, Van Duyne & Siedle, 1980;Spek, 1979). The difference between the Hg--I(bridge) distances The [P(C6Hs)4] + cation has the usual tetrahedral distribution of bonds around P. The P-C distances average 1.789,/~ (Table 2) as found elsewhere (Bogaard & Rae, 1982).…”

Crystal Structure of (CM-TTF)2Hg2Cl6 with short intradimer S···S stacking

“…The SÁÁÁS stacking of 3.289(3) and 3.334(3) Å within the TTF dimer (Fig. 2) are very strong in comparing with those of other TTF radical salts (Table 3) [6,9,[18][19][20][21][22]. The contact distances less tan 3.3 Å within the TTF pair are rarely found, although some examples with short distances have been reported for the SÁÁÁS contacts among the TTF compounds, but the contact model is sideto-side interaction of the TTF moieties (not the face-to-face one) [18].…”

The crystal and molecular structures of rosebengal derivatives and organometallic compounds containing mercury, rhodium, silver and silicon

“…The anisotropic temperature factors are defined as exp(-2n?Ihihja*ajUij). C 2024 335 425 304 305 (3) 03(3) C (21) 126 1583 10) 256(2467 (13) 38 1626(10) C (22) 288 (28) 95 1183 (11) 05 836 1487 14C (23) 256 2686 1083 1117 819 (13) 04(13) C (24) 157 1880 (10) 175 1821 (11) 05 1457(11) C (25) 133 (14) 92 (10) 138 1407 968 (12) 02(10) C (26) 199 2088 (10) 130 1510 981 1539 (12) (1) -0(6')b 2.586(12) 0(3) -0(5') 2.771 ( 7) ®The estimated standard deviations in the parentheses are for the least significant digits.…”

“…Analysis of the crystal structure of compound 2 was not quite routine; refinement had to be discontinued at a stage when several of the lighter atoms (oxygens and carbons) started showing non-posltlve definite temperature factors upon anisotropic refinement; the crystallo- 9671 42953 49622 (6) 89 31 214098 45155 413184 (6) 93 3) 1(316866 44443 411900 (6) 109 3) 1(416498 41275 46351 7118 3) CL(112639 (17) 3221 (13) 5272 (23) 102(11) CL (2) 10931 (16) 1871 (14) 2439 (22) 97(11) CL 310180 14-0330 (13) 2133 (24) 104(11) CL 410983 16-1107 (13) 4746 (23) 106 11) 0(111601 (28) 4404 (25) 12181 4375 12) 0(214512 (28) 3824 (26) 10462 (45) 55 13) 0(317317 372820 (33) 9559 57) 102(18) 0(413146…”

“…where the temperature factors are defined as expf-Zn^ZhihjaiajUij). 2112502 570069 (52) 9874 90) 127 0(2213475 (62) 0899 56) 10973(96) 127 C(2314323 550547 49) 11220(85) C(2415274 (64) 1315 (58) 12067(97) C (25) 15240 (60) 2100(55) 13075(92) C (26) 14413 672474 (60) 12901(97) C (27) 13409 671744 (76) 11843(99) C (28) 11446 (65) 5279 (58) 11963(98) C (29) 11109 (69) 5939 (62) 13995(97) C (30) 10209 675615 (58) 13283(95) C (31) 9537 625920 (56) 14004(96) C (32) 10172 606380(55) 15406(93) C (33) 11389 506769(46) 15697(77) C (34) 11983 536215 (48) 14628 83 398 478 4-01 306 307 3) 1(280 487 459 4-25…”