Accuracy

zirconium tetrabromide   4701 Zirconium tetrabromide

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    #  Species Formula
  4691 Zr(IV)Cl4N2 (FUFSOO) (Geo)C10H10N2Cl4Zr
  4692 Zr(IV)Cl4N2 (FUFSOO)C10H10N2Cl4Zr
  4693 Zirconium hexachloride, dianion (Geo)Cl6Zr
  4694 Zirconium bromideBrZr
  4695 Zirconium(I) bromideBrZr
  4696 Zirconium(I) bromide (Geo)BrZr
  4697 Zirconium dibromideBr2Zr
  4698 Zirconium(IV) oxide dibromideOBr2Zr
  4699 Zirconium(IV) oxide dibromide (Geo)OBr2Zr
  4700 Zirconium tribromideBr3Zr
  4701 Zirconium tetrabromide Br4Zr
  4702 Zirconium tetrabromide (Geo)Br4Zr
  4703 Zr(IV)Br4N2 (FIMZUW10) (Geo)C4H6N2Br4Zr
  4704 Zr(IV)Br4N2 (FIMZUW10)C4H6N2Br4Zr
  4705 Zirconium hexabromide, dianion (Geo)Br6Zr
  4706 Zr(IV)2F8N2 (FELKAI) (Geo)C4H6N2Cl8Zr2
  4707 Zr(IV)2F8N2 (FELKAI)C4H6N2Cl8Zr2
  4708 Niobium, cationNb
  4709 Niobium, atomNb
  4710 Dicyclopentadienyl Niobium(II)C10H10Nb
  4711 Dicyclopentadienyl Niobium(II) (Geo)C10H10Nb


ΔHf: -154.1 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.
  
 PM7
Zirconium tetrabromide
 H=-154.1 HR=NIST
 Br     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
 Zr     2.49697006 +1    0.0000000 +0    0.0000000 +0     1     0     0
 Br     2.49701079 +1  109.4754588 +1    0.0000000 +0     2     1     0
 Br     2.49699811 +1  109.4760614 +1  120.0300828 +1     2     1     3
 Br     2.49692903 +1  109.4593920 +1 -119.9808438 +1     2     1     3