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The binding energy of the six quark system with strangeness s = -5 is investigated by the SU (3) chiral constituent quark model. The single Ξ*Ω channel calculation with spin S = 0 and the coupled ΞΩ - Ξ*Ω channel calculation with spin S = 1 are considered. It is shown that in the spin S = 0 case, the binding energy ofΞ*Ω is ranged from 80.0 to 92.4 Me V, while in the S = 1 case, the additional Ξ*Ω channel increases the binding energy ofΞΩto a range of 26.2 - 32.9 Me V.