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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-640836
  • Created at: Sept. 4, 2022, 2:42 p.m.
  • Last updated at: Nov. 28, 2021, 1:35 a.m.
  • Input Source: Materials Project

Structure:

  • Number of sites: 176
  • Number of elements: 3
  • Element list: ['Ca', 'Ta', 'O']
  • Chemical System: Ca-O-Ta
  • Density: 6.308054336368239
  • Atomic Density: 0.07542094448229741
  • Unit Cell Volume: 2333.5692917676233
  • Molar Volume: 7.984706106953487
  • Full Formula: Ca32 Ta32 O112
  • Reduced Formula: Ca2Ta2O7
  • Formula Anonymous: A2B2C7
  • Spacegroup Number: 20
  • Spacegroup Symbol: C222_1
  • Crystal System: orthorhombic
  • Pointgroup: 222

Thermodynamics:

  • Final energy: -1611.12604067
  • Final energy per atom: -9.154125231079545
  • 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.