phonopy:
  version: 2.17.1
  frequency_unit_conversion_factor: 15.633302
  symmetry_tolerance: 1.00000e-05

physical_unit:
  atomic_mass: "AMU"

space_group:
  type: "Fm-3m"
  number: 225
  Hall_symbol: "-F 4 2 3"

supercell_matrix:
- [   2,   0,   0 ]
- [   0,   2,   0 ]
- [   0,   0,   2 ]

primitive_cell:
  lattice:
  - [     0.000000000000000,     2.108500000000000,     2.108500000000000 ] # a
  - [     2.108500000000000,     0.000000000000000,     2.108500000000000 ] # b
  - [     2.108500000000000,     2.108500000000000,     0.000000000000000 ] # c
  points:
  - symbol: Mg # 1
    coordinates: [  0.000000000000000,  0.000000000000000,  0.000000000000000 ]
    mass: 24.305000
  - symbol: O  # 2
    coordinates: [  0.500000000000000,  0.500000000000000,  0.500000000000000 ]
    mass: 15.999400
  reciprocal_lattice: # without 2pi
  - [    -0.237135404315864,     0.237135404315864,     0.237135404315864 ] # a*
  - [     0.237135404315864,    -0.237135404315864,     0.237135404315864 ] # b*
  - [     0.237135404315864,     0.237135404315864,    -0.237135404315864 ] # c*

unit_cell:
  lattice:
  - [     0.000000000000000,     2.108500000000000,     2.108500000000000 ] # a
  - [     2.108500000000000,     0.000000000000000,     2.108500000000000 ] # b
  - [     2.108500000000000,     2.108500000000000,     0.000000000000000 ] # c
  points:
  - symbol: Mg # 1
    coordinates: [  0.000000000000000,  0.000000000000000,  0.000000000000000 ]
    mass: 24.305000
    reduced_to: 1
  - symbol: O  # 2
    coordinates: [  0.500000000000000,  0.500000000000000,  0.500000000000000 ]
    mass: 15.999400
    reduced_to: 2

supercell:
  lattice:
  - [     0.000000000000000,     4.217000000000000,     4.217000000000000 ] # a
  - [     4.217000000000000,     0.000000000000000,     4.217000000000000 ] # b
  - [     4.217000000000000,     4.217000000000000,     0.000000000000000 ] # c
  points:
  - symbol: Mg # 1
    coordinates: [  0.000000000000000,  0.000000000000000,  0.000000000000000 ]
    mass: 24.305000
    reduced_to: 1
  - symbol: Mg # 2
    coordinates: [  0.500000000000000,  0.000000000000000,  0.000000000000000 ]
    mass: 24.305000
    reduced_to: 1
  - symbol: Mg # 3
    coordinates: [  0.000000000000000,  0.500000000000000,  0.000000000000000 ]
    mass: 24.305000
    reduced_to: 1
  - symbol: Mg # 4
    coordinates: [  0.500000000000000,  0.500000000000000,  0.000000000000000 ]
    mass: 24.305000
    reduced_to: 1
  - symbol: Mg # 5
    coordinates: [  0.000000000000000,  0.000000000000000,  0.500000000000000 ]
    mass: 24.305000
    reduced_to: 1
  - symbol: Mg # 6
    coordinates: [  0.500000000000000,  0.000000000000000,  0.500000000000000 ]
    mass: 24.305000
    reduced_to: 1
  - symbol: Mg # 7
    coordinates: [  0.000000000000000,  0.500000000000000,  0.500000000000000 ]
    mass: 24.305000
    reduced_to: 1
  - symbol: Mg # 8
    coordinates: [  0.500000000000000,  0.500000000000000,  0.500000000000000 ]
    mass: 24.305000
    reduced_to: 1
  - symbol: O  # 9
    coordinates: [  0.250000000000000,  0.250000000000000,  0.250000000000000 ]
    mass: 15.999400
    reduced_to: 9
  - symbol: O  # 10
    coordinates: [  0.750000000000000,  0.250000000000000,  0.250000000000000 ]
    mass: 15.999400
    reduced_to: 9
  - symbol: O  # 11
    coordinates: [  0.250000000000000,  0.750000000000000,  0.250000000000000 ]
    mass: 15.999400
    reduced_to: 9
  - symbol: O  # 12
    coordinates: [  0.750000000000000,  0.750000000000000,  0.250000000000000 ]
    mass: 15.999400
    reduced_to: 9
  - symbol: O  # 13
    coordinates: [  0.250000000000000,  0.250000000000000,  0.750000000000000 ]
    mass: 15.999400
    reduced_to: 9
  - symbol: O  # 14
    coordinates: [  0.750000000000000,  0.250000000000000,  0.750000000000000 ]
    mass: 15.999400
    reduced_to: 9
  - symbol: O  # 15
    coordinates: [  0.250000000000000,  0.750000000000000,  0.750000000000000 ]
    mass: 15.999400
    reduced_to: 9
  - symbol: O  # 16
    coordinates: [  0.750000000000000,  0.750000000000000,  0.750000000000000 ]
    mass: 15.999400
    reduced_to: 9

displacements:
- atom:    1
  displacement:
    [   0.0000000000000000,  0.0070710678118655,  0.0070710678118655 ]
- atom:    9
  displacement:
    [   0.0000000000000000,  0.0070710678118655,  0.0070710678118655 ]

force_constants:
  format: "compact"
  shape: [ 2, 16 ]
  elements:
  - # (1, 1)
    - [    10.684331526525591,     0.000000000000001,    -0.000000000000000 ]
    - [     0.000000000000001,    10.684331526525593,     0.000000000000001 ]
    - [    -0.000000000000000,     0.000000000000001,    10.684331526525591 ]
  - # (1, 2)
    - [     0.418997893748369,     0.000000000000000,    -0.000000000000000 ]
    - [     0.000000000000000,    -1.150574447580480,    -3.220502173158974 ]
    - [    -0.000000000000000,    -3.220502173158974,    -1.150574447580480 ]
  - # (1, 3)
    - [    -1.150574447580480,    -0.000000000000000,    -3.220502173158972 ]
    - [    -0.000000000000000,     0.418997893748369,    -0.000000000000000 ]
    - [    -3.220502173158972,    -0.000000000000000,    -1.150574447580479 ]
  - # (1, 4)
    - [    -1.150574447580480,     3.220502173158974,    -0.000000000000000 ]
    - [     3.220502173158974,    -1.150574447580480,     0.000000000000000 ]
    - [    -0.000000000000000,     0.000000000000000,     0.418997893748370 ]
  - # (1, 5)
    - [    -1.150574447580479,    -3.220502173158974,    -0.000000000000000 ]
    - [    -3.220502173158974,    -1.150574447580480,    -0.000000000000000 ]
    - [    -0.000000000000000,    -0.000000000000000,     0.418997893748370 ]
  - # (1, 6)
    - [    -1.150574447580480,     0.000000000000000,     3.220502173158973 ]
    - [     0.000000000000000,     0.418997893748369,     0.000000000000000 ]
    - [     3.220502173158973,     0.000000000000000,    -1.150574447580479 ]
  - # (1, 7)
    - [     0.418997893748369,    -0.000000000000000,    -0.000000000000000 ]
    - [    -0.000000000000000,    -1.150574447580479,     3.220502173158974 ]
    - [    -0.000000000000000,     3.220502173158974,    -1.150574447580479 ]
  - # (1, 8)
    - [    -1.665535546675144,    -0.000000000000000,    -0.000000000000000 ]
    - [    -0.000000000000000,    -1.665535546675144,    -0.000000000000000 ]
    - [    -0.000000000000000,    -0.000000000000000,    -1.665535546675143 ]
  - # (1, 9)
    - [     0.053814116622073,    -0.000000000000000,    -0.000000000000000 ]
    - [     0.000000000000000,     0.053814116622073,     0.000000000000000 ]
    - [    -0.000000000000000,    -0.000000000000000,     0.053814116622073 ]
  - # (1, 10)
    - [    -1.397694416144702,    -0.000000000000000,    -0.000000000000000 ]
    - [    -0.000000000000000,    -0.641683344495003,    -0.000000000000000 ]
    - [    -0.000000000000000,    -0.000000000000000,    -0.641683344495003 ]
  - # (1, 11)
    - [    -0.641683344495003,    -0.000000000000000,    -0.000000000000000 ]
    - [     0.000000000000000,    -1.397694416144702,    -0.000000000000000 ]
    - [    -0.000000000000000,    -0.000000000000000,    -0.641683344495003 ]
  - # (1, 12)
    - [    -0.641683344495003,    -0.000000000000000,    -0.000000000000000 ]
    - [     0.000000000000000,    -0.641683344495003,    -0.000000000000000 ]
    - [    -0.000000000000000,    -0.000000000000000,    -1.397694416144702 ]
  - # (1, 13)
    - [    -0.641683344495003,    -0.000000000000000,     0.000000000000000 ]
    - [     0.000000000000000,    -0.641683344495003,    -0.000000000000000 ]
    - [    -0.000000000000000,    -0.000000000000000,    -1.397694416144702 ]
  - # (1, 14)
    - [    -0.641683344495003,    -0.000000000000000,    -0.000000000000000 ]
    - [    -0.000000000000000,    -1.397694416144702,    -0.000000000000000 ]
    - [    -0.000000000000000,    -0.000000000000000,    -0.641683344495003 ]
  - # (1, 15)
    - [    -1.397694416144702,    -0.000000000000000,    -0.000000000000000 ]
    - [    -0.000000000000000,    -0.641683344495003,    -0.000000000000000 ]
    - [    -0.000000000000000,    -0.000000000000000,    -0.641683344495003 ]
  - # (1, 16)
    - [     0.053814116622073,    -0.000000000000000,    -0.000000000000000 ]
    - [     0.000000000000000,     0.053814116622073,     0.000000000000000 ]
    - [    -0.000000000000000,    -0.000000000000000,     0.053814116622073 ]
  - # (2, 1)
    - [     0.053814116622073,     0.000000000000000,    -0.000000000000000 ]
    - [    -0.000000000000000,     0.053814116622073,    -0.000000000000000 ]
    - [    -0.000000000000000,     0.000000000000000,     0.053814116622073 ]
  - # (2, 2)
    - [    -1.397694416144702,    -0.000000000000000,    -0.000000000000000 ]
    - [    -0.000000000000000,    -0.641683344495003,    -0.000000000000000 ]
    - [    -0.000000000000000,    -0.000000000000000,    -0.641683344495003 ]
  - # (2, 3)
    - [    -0.641683344495003,     0.000000000000000,    -0.000000000000000 ]
    - [    -0.000000000000000,    -1.397694416144702,    -0.000000000000000 ]
    - [    -0.000000000000000,    -0.000000000000000,    -0.641683344495003 ]
  - # (2, 4)
    - [    -0.641683344495003,     0.000000000000000,    -0.000000000000000 ]
    - [    -0.000000000000000,    -0.641683344495003,    -0.000000000000000 ]
    - [    -0.000000000000000,    -0.000000000000000,    -1.397694416144702 ]
  - # (2, 5)
    - [    -0.641683344495003,     0.000000000000000,    -0.000000000000000 ]
    - [    -0.000000000000000,    -0.641683344495003,    -0.000000000000000 ]
    - [     0.000000000000000,    -0.000000000000000,    -1.397694416144702 ]
  - # (2, 6)
    - [    -0.641683344495003,    -0.000000000000000,    -0.000000000000000 ]
    - [    -0.000000000000000,    -1.397694416144702,    -0.000000000000000 ]
    - [    -0.000000000000000,    -0.000000000000000,    -0.641683344495003 ]
  - # (2, 7)
    - [    -1.397694416144702,    -0.000000000000000,    -0.000000000000000 ]
    - [    -0.000000000000000,    -0.641683344495003,    -0.000000000000000 ]
    - [    -0.000000000000000,    -0.000000000000000,    -0.641683344495003 ]
  - # (2, 8)
    - [     0.053814116622073,     0.000000000000000,    -0.000000000000000 ]
    - [    -0.000000000000000,     0.053814116622073,    -0.000000000000000 ]
    - [    -0.000000000000000,     0.000000000000000,     0.053814116622073 ]
  - # (2, 9)
    - [     6.226245569506188,     0.000000000000000,     0.000000000000000 ]
    - [     0.000000000000000,     6.226245569506188,     0.000000000000000 ]
    - [     0.000000000000000,     0.000000000000000,     6.226245569506188 ]
  - # (2, 10)
    - [    -0.121893064749076,    -0.000000000000000,     0.000000000000000 ]
    - [    -0.000000000000000,     0.036722225950003,    -0.366599579265467 ]
    - [     0.000000000000000,    -0.366599579265467,     0.036722225950003 ]
  - # (2, 11)
    - [     0.036722225950003,    -0.000000000000000,    -0.366599579265467 ]
    - [    -0.000000000000000,    -0.121893064749076,    -0.000000000000000 ]
    - [    -0.366599579265467,    -0.000000000000000,     0.036722225950003 ]
  - # (2, 12)
    - [     0.036722225950003,     0.366599579265467,     0.000000000000000 ]
    - [     0.366599579265467,     0.036722225950003,     0.000000000000000 ]
    - [     0.000000000000000,     0.000000000000000,    -0.121893064749076 ]
  - # (2, 13)
    - [     0.036722225950003,    -0.366599579265467,     0.000000000000000 ]
    - [    -0.366599579265467,     0.036722225950003,    -0.000000000000000 ]
    - [     0.000000000000000,    -0.000000000000000,    -0.121893064749076 ]
  - # (2, 14)
    - [     0.036722225950003,     0.000000000000000,     0.366599579265467 ]
    - [     0.000000000000000,    -0.121893064749076,     0.000000000000000 ]
    - [     0.366599579265467,     0.000000000000000,     0.036722225950003 ]
  - # (2, 15)
    - [    -0.121893064749076,    -0.000000000000000,     0.000000000000000 ]
    - [    -0.000000000000000,     0.036722225950003,     0.366599579265467 ]
    - [     0.000000000000000,     0.366599579265467,     0.036722225950003 ]
  - # (2, 16)
    - [    -0.874854366782778,    -0.000000000000000,     0.000000000000000 ]
    - [    -0.000000000000000,    -0.874854366782778,    -0.000000000000000 ]
    - [     0.000000000000000,    -0.000000000000000,    -0.874854366782778 ]