<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>LaLi<sub>0.92</sub>Cu<sub>1.33</sub>P<sub>2</sub>, PrLi<sub>0.98</sub>Cu<sub>1.54</sub>P<sub>2</sub>, NdLi<sub>0.91</sub>Cu<sub>1.42</sub>P<sub>2</sub>, GdLiCu<sub>1.48</sub>P<sub>2</sub>, and ErLi<sub>0.82</sub>Cu<sub>1.19</sub>P<sub>2</sub> are synthesized from the elements (Nb ampule, 1100 °C, 10 h).</p> </abstract>