# Species Formula 4546 Yttrium, atomY 4547 Trimethyl yttrium(III) (Geo)C3H9Y 4548 Bicyclopentadienyl yttrium(II) (Geo)C10H10Y 4549 Tricyclopentadienyl yttrium(III)C15H15Y 4550 Y(Cp)2CN (CIGZEX) (Geo)C19H22NY 4551 Y(Cp)2CN (CIGZEX)C19H22NY 4552 Y(III)N3 (FAMVEV) (Geo)C27H54N3Y 4553 Y(III)N3 (FAMVEV)C27H54N3Y 4554 Y(II)(NH3)6H18N6Y 4555 Y(II)(NH3)6 (Geo)H18N6Y 4556 Y(III)N8(3+) (ROGRUA) (Geo) C8H32N8Y 4557 Y(III)N8(3+) (ROGRUA)C8H32N8Y 4558 Y(III)N9(3+) (XAWXIC) (Geo)C45H33N9Y 4559 Y(III)N9(3+) (XAWXIC)C45H33N9Y 4560 Yttrium(II) oxide (Geo)OY 4561 Yttrium(II) oxideOY 4562 Yttrium oxide, anionOY 4563 Y(Cp)3O (BACZOU) (Geo)C19H23OY 4564 Y(Cp)3O (BACZOU)C19H23OY 4565 Y(III)(Cp)2O2(+) (PEZDAZ) (Geo)C16H22O2Y 4566 Y(III)(Cp)2O2(+) (PEZDAZ)C16H22O2Y