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The infrared spectrum of SrI 2 in the gas-phase has been measured. The Sr-I asymmetric stretching vibration ν 3 has been found at 200 cm -1 . This value is in reasonable agreement with earlier values derived from estimation or ab initio methods.
The phase diagrams of the systems Pb-PbI 2 , PbI 2 -NaI and PbI 2 -ZnI 2 have been determined by differential scanning calorimetry. PbI 2 -NaI and PbI 2 -ZnI 2 are simple eutectic systems; the system Pb-PbI 2 shows an immiscibility of two liquids.
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