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Entry Data

Table mix-ins: ['Structure', 'Thermodynamics'] Extra columns: ['energy_uncorrected', 'band_gap', 'is_gap_direct', 'is_magnetic', 'total_magnetization', 'is_theoretical']

Base Information:

  • Database Entry ID: mp-209
  • Created at: Sept. 4, 2022, 2:40 p.m.
  • Last updated at: Nov. 28, 2021, 1:35 a.m.
  • Input Source: Materials Project

Structure:

  • Number of sites: 20
  • Number of elements: 2
  • Element list: ['Er', 'Se']
  • Chemical System: Er-Se
  • Density: 6.64937401205763
  • Atomic Density: 0.03503990763035149
  • Unit Cell Volume: 570.7777603464926
  • Molar Volume: 17.18652007742062
  • Full Formula: Er8 Se12
  • Reduced Formula: Er2Se3
  • Formula Anonymous: A2B3
  • Spacegroup Number: 70
  • Spacegroup Symbol: Fddd1
  • Crystal System: orthorhombic
  • Pointgroup: mmm

Thermodynamics:

  • Final energy: -121.64856329
  • Final energy per atom: -6.0824281645
  • Energy above hull: None
  • Is thermodynamically stable?: None
  • Decomposes to: None
  • Formation energy None
  • Formation energy per atom: None
Note: stabilities and hull energies are updated on a running schedule, so newer materials may have these fields blank.