Disulfur Dinitride
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Disulfur dinitride is the chemical compound S2N2 with a cyclic square planar structure. Passing gaseous S4N4 over silver metal wool at 250-300°C at low pressure (1mm Hg) yields cyclic S2N2. The S2N2 molecule is virtually square and planar. The S-N bond lengths are 165.1pm and 165.7pm and the bond angles are very close to 90. The S2N2 molecule is isoelectronic with the S42+ and has 6 electrons. The bonding has been investigated using a spin-coupled valence bond method...
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Disulfur dinitride is the chemical compound S2N2 with a cyclic square planar structure. Passing gaseous S4N4 over silver metal wool at 250-300°C at low pressure (1mm Hg) yields cyclic S2N2. The S2N2 molecule is virtually square and planar. The S-N bond lengths are 165.1pm and 165.7pm and the bond angles are very close to 90. The S2N2 molecule is isoelectronic with the S42+ and has 6 electrons. The bonding has been investigated using a spin-coupled valence bond method and is described as having four framework sigma bonds, with the N atoms bearing a high negative charge and the S atoms a corresponding positive charge. Two electrons from the sulfur atoms are coupled across the ring making the molecule overall a singlet diradical.
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