Nicotine 3,5-dihydroxybenzoate dihydrate is a nicotine salt and can be used as compositions in tobacco products. X-ray powder diffraction data, unit-cell parameters, and space group for nicotine 3,5-dihydroxybenzoate, C10H15N2⋅C7H5O4⋅2H2O, are reported [a = 8.424(1) Å, b = 13.179(8) Å, c = 8.591(1) Å, α = 90°, β = 102.073(8)°, γ = 90°, unit-cell volume V = 932.765(3) Å3, Z = 2, ρcal = 1.256 g⋅cm−3, and space group P21] at room temperature. All measured lines were indexed and are consistent with the P21 space group.

中文翻译：

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烟碱 3,5-二羟基苯甲酸酯二水合物 C10H15N2·C7H5O4·2H2O 的 X 射线粉末衍射数据

尼古丁 3,5-二羟基苯甲酸酯二水合物是一种尼古丁盐，可用作烟草产品中的组合物。烟碱 3,5-二羟基苯甲酸酯的 X 射线粉末衍射数据、晶胞参数和空间群，C10H15ñ2⋅C7H5○4⋅2H2O, 被报道 [一种= 8.424(1) 埃，b= 13.179(8) 埃，C= 8.591（1）埃，α= 90°，β= 102.073(8)°,γ= 90°，晶胞体积五= 932.765(3) Å3,Z= 2,ρ卡路里= 1.256 克·厘米-3, 和空间群磷21] 在室温下。所有测量线均已编入索引并与磷21空间群。