The series Ph2TeBr[S2CNR2], where R = Bu, Pr, i-Pr, Et, and Me, as well as Ph2TeC1 [S2CNR2] and Ph2Te[S2CNR2I2, where R = Bu, Pr, have been synthesized and characterized by elemental analysis and vibrational spectroscopy. Comparisons of the effect of changing R groups and halogen atoms can be made based on the two crystal structures determined herein along with earlier work. The geometry about tellurium is consistent with that of a distorted sawhorse structure where the dithiocarbamate groups are monodentate (or anisobidentate). The crystal structures of Ph2TeBr

A number of dithiocarbamate derivatives Ph2Te[S2CNR2I2, where R = Me, Et, and Ph2TeC1[S2CNR2], where R = Me, Et, i-Pr, have been prepared and characterized initially by analysis and vibrational spectroscopy. Three crystal structures have been completed that allow for comparisons of the effect of the change in the nature of R and of the presence of a chlorine atom. The dithiocarbamate groups are monodentate (or anisobidentate) and the geometry about tellurium is consistently that of a distorted sawhorse structure. Examples of both inter-and intra-molecular Te.. . S interactions are observed as well as an intermolecular

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