Accuracy

yttrium(i) oxide, anion   4560 Yttrium oxide, anion

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    #  Species Formula
  4550 Y(III)N3 (FAMVEV) (Geo)C27H54N3Y
  4551 Y(III)N3 (FAMVEV)C27H54N3Y
  4552 Y(II)(NH3)6H18N6Y
  4553 Y(II)(NH3)6 (Geo)H18N6Y
  4554 Y(III)N8(3+) (ROGRUA) (Geo)C8H32N8Y
  4555 Y(III)N8(3+) (ROGRUA)C8H32N8Y
  4556 Y(III)N9(3+) (XAWXIC) (Geo)C45H33N9Y
  4557 Y(III)N9(3+) (XAWXIC)C45H33N9Y
  4558 Yttrium(II) oxide (Geo)OY
  4559 Yttrium(II) oxideOY
  4560 Yttrium oxide, anion OY
  4561 Y(Cp)3O (BACZOU) (Geo)C19H23OY
  4562 Y(Cp)3O (BACZOU)C19H23OY
  4563 Y(III)(Cp)2O2(+) (PEZDAZ) (Geo)C16H22O2Y
  4564 Y(III)(Cp)2O2(+) (PEZDAZ)C16H22O2Y
  4565 Yttrium(III) hexaquo (Geo)H12O6Y
  4566 Y(II)(H2O)6H12O6Y
  4567 Y(II)(H2O)6 (Geo)H12O6Y
  4568 Y(III)O8(3+) (BEJDOJ) (Geo)H16O8Y
  4569 Y(III)O8(3+) (BEJDOJ)H16O8Y
  4570 Y(III)O8 (YACACT) (Geo)C15H25O8Y


ΔHf: -40.4 kcal/mol,     REF: NIST Chemistry WebBook, NIST Standard Reference Database, No. 69; W. G. Mallard, P. J. Linstrom, Eds., National Institute of Standards and Technology, Gaithersberg, http://webbook.nist.gov/chemistry.
  
 CHARGE=-1 PM7
Yttrium oxide, anion
 H=-40.43 HR=NIST
  Y     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  O     1.72286714 +1    0.0000000 +0    0.0000000 +0     1     0     0