Two new compounds, Ni3+xSn4Zn (x≈1.35, monoclinic, space group I2/m, Z = 2, single crystal XRD) and Ni6+xSn8Zn (x≈1.35, monoclinic, space group C2/m, Z = 2) are prepared by solid state reaction of the elements (Al2O3 crucible in evacuated quartz tubes, 1453 K).