Hi to all Siesta Users.
I try to perform a geometry optimization of some atoms with Siesta, and
everything is a mess.
This is the *fdf file, can anyone take a look and tell me what is wrong in
the file to perform a geometry optimization of only the last 31 atoms.
Thanks in Advance.

# General system descriptors
SystemName      fosfitos-optgeom-h18
SystemLabel     fosfitos-optgeom-h18
Number_of_species          4
NumberOfAtoms              86
NetCharge               +3
%block ChemicalSpeciesLabel
 1  xx  Y
 2   x  L
 3   x  M
 4  xx  F
%endblock ChemicalSpeciesLabel

# Spin defintion
SpinPolarized           T
FixSpin                  T
TotalSpin               15.0
%block DM.InitSpin
  1      +5.0
  2      +5.0
  3     +5.0
%endblock DM.InitSpin

# Basis definition
PAO.BasisSize           DZP
PAO.EnergyShift         50.0 meV
%block PAO.Basis
xx   5      2.25014
 n=3   2   2   E    14.23042     3.38062
     3.78964     2.62819
     1.00000     1.00000
%endblock PAO.Basis

# DFT, Grid, SCF
xc.functional         GGA
xc.authors             PBE
MeshCutoff              200.0 Ry # def 100 Ry
MaxSCFIterations        400
DM.MixingWeight         0.10 # def 0.250
DM.NumberPulay          8 # def 0
DM.Tolerance             0.1E-04 # def 0.1E-4

# Eigenvalue problem
SolutionMethod         diagon # diagon or OrderN
ElectronicTemperature   300 K    # Def 300 K, 1meV=11.6K

# Molecular dynamics and relaxations
MD.TypeOfRun         cg
MD.NumCGsteps        200# geometry optimization

# Efficiency options
DirectPhi        T
SaveMemory        T

# Output options
WriteCoorInitial        F
WriteMullikenPop        2
WriteCoorXmol        T
WriteDenchar            F

# options for saving reading
DM.UseSaveDM          T  # T = restart if DM

# Lattices, coordinates
AtomicCoordinatesFormat
NotScaledCartesianAng

%block AtomicCoordinatesAndAtomicSpecies
0.000300000     3.078600000     10.498600000    4
-2.665700000    7.696200000     10.498600000    4
2.666300000     7.696200000     10.498600000    4
0.000000000     0.000000000     9.860000000     2
-2.666000000    4.617700000     9.860000000     2
2.666000000     4.617700000     9.860000000     2
2.665700000     1.539100000     7.555200000     2
-0.000300000    6.156700000     7.555200000     2
-2.666300000    1.539100000     7.555200000     2
5.331700000     6.156700000     7.555200000     2
-5.332300000    6.156700000     7.555200000     2
0.000000000     9.235300000     9.860000000     2
-5.332000000    9.235300000     9.860000000     2
-2.666300000    10.774400000    7.555200000     2
5.332000000     9.235300000     9.860000000     2
2.665700000     10.774400000    7.555200000     2
1.407100000     3.890800000     11.681600000    3
-1.407100000    3.890800000     11.681600000    3
0.000000000     1.453600000     11.681600000    3
2.666000000     0.064600000     9.312800000     3
3.943000000     2.276500000     9.312800000     3
1.389000000     2.276500000     9.312800000     3
-1.258900000    -0.726800000    11.681600000    3
1.258900000     -0.726800000    11.681600000    3
-3.924900000    3.890800000     11.681600000    3
-2.666000000    6.071300000     11.681600000    3
3.924900000     3.890800000     11.681600000    3
2.666000000     6.071300000     11.681600000    3
0.000000000     4.682300000     9.312800000     3
-1.389000000    2.276500000     9.312800000     3
1.277000000     6.894100000     9.312800000     3
-1.277000000    6.894100000     9.312800000     3
-2.666000000    0.064600000     9.312800000     3
-3.943000000    2.276500000     9.312800000     3
5.332000000     4.682300000     9.312800000     3
6.609000000     6.894100000     9.312800000     3
4.055000000     6.894100000     9.312800000     3
-5.332000000    4.682300000     9.312800000     3
-4.055000000    6.894100000     9.312800000     3
-6.609000000    6.894100000     9.312800000     3
-1.258900000    8.508500000     11.681600000    3
-4.073100000    8.508500000     11.681600000    3
-2.666000000    9.299900000     9.312800000     3
1.258900000     8.508500000     11.681600000    3
0.000000000     10.688900000    11.681600000    3
-6.590900000    8.508500000     11.681600000    3
-5.332000000    10.688900000    11.681600000    3
-1.389000000    11.511800000    9.312800000     3
-3.943000000    11.511800000    9.312800000     3
4.073100000     8.508500000     11.681600000    3
2.666000000     9.299900000     9.312800000     3
6.590900000     8.508500000     11.681600000    3
5.332000000     10.688900000    11.681600000    3
3.943000000     11.511800000    9.312800000     3
1.389000000     11.511800000    9.312800000     3
0.000000000     0.000000000     11.199700000    1
-2.666000000    4.617700000     11.199700000    1
2.666000000     4.617700000     11.199700000    1
2.665700000     1.539100000     8.929500000     1
-0.000300000    6.156700000     8.929500000     1
-2.666300000    1.539100000     8.929500000     1
5.331700000     6.156700000     8.929500000     1
-5.332300000    6.156700000     8.929500000     1
0.000000000     9.235300000     11.199700000    1
-5.332000000    9.235300000     11.199700000    1
-2.666300000    10.774400000    8.929500000     1
5.332000000     9.235300000     11.199700000    1
2.665700000     10.774400000    8.929500000     1
-4.326171373    2.184353318     10.121928351    1
-3.164426309    -0.135203857    8.590546836     1
-1.436524016    -0.616471734    10.806227289    1
1.180804484     -0.622750779    10.791052500    1
2.591225455     -0.026408306    8.420540926     1
4.296581393     2.452157901     8.504020364     1
5.248833132     4.347073789     8.481712364     1
7.452484562     7.124381889     9.099483226     1
6.607275507     8.672536991     10.796826748    1
5.386293935     11.121509669    10.894262053    1
4.280095647     11.467893220    10.146129898    1
1.383872430     11.494575245    10.212620546    1
-1.129565180    11.495814182    10.174448436    1
-5.462202346    4.365030604     10.144898239    1
-6.694967982    6.633469675     10.169935543    1
-7.455458308    8.312509255     11.526272731    1
-5.679234351    11.371473304    12.154381123    1
-3.916202636    11.509168582    10.212397119    1
%endblock AtomicCoordinatesAndAtomicSpecies

%block GeometryConstraints
position 1    1.0    1.0    1.0
position 2    1.0    1.0    1.0
position 3    1.0    1.0    1.0
position 4    1.0    1.0    1.0
position 5    1.0    1.0    1.0
position 6    1.0    1.0    1.0
position 7    1.0    1.0    1.0
position 8    1.0    1.0    1.0
position 9    1.0    1.0    1.0
position 10    1.0    1.0    1.0
position 11    1.0    1.0    1.0
position 12    1.0    1.0    1.0
position 13    1.0    1.0    1.0
position 14    1.0    1.0    1.0
position 15    1.0    1.0    1.0
position 16    1.0    1.0    1.0
position 17    1.0    1.0    1.0
position 18    1.0    1.0    1.0
position 19    1.0    1.0    1.0
position 20    1.0    1.0    1.0
position 21    1.0    1.0    1.0
position 22    1.0    1.0    1.0
position 23    1.0    1.0    1.0
position 24    1.0    1.0    1.0
position 25    1.0    1.0    1.0
position 26    1.0    1.0    1.0
position 27    1.0    1.0    1.0
position 28    1.0    1.0    1.0
position 29    1.0    1.0    1.0
position 30    1.0    1.0    1.0
position 31    1.0    1.0    1.0
position 32    1.0    1.0    1.0
position 33    1.0    1.0    1.0
position 34    1.0    1.0    1.0
position 35    1.0    1.0    1.0
position 36    1.0    1.0    1.0
position 37    1.0    1.0    1.0
position 38    1.0    1.0    1.0
position 39    1.0    1.0    1.0
position 40    1.0    1.0    1.0
position 41    1.0    1.0    1.0
position 42    1.0    1.0    1.0
position 43    1.0    1.0    1.0
position 44    1.0    1.0    1.0
position 45    1.0    1.0    1.0
position 46    1.0    1.0    1.0
position 47    1.0    1.0    1.0
position 48    1.0    1.0    1.0
position 49    1.0    1.0    1.0
position 50    1.0    1.0    1.0
position 51    1.0    1.0    1.0
position 52    1.0    1.0    1.0
position 53    1.0    1.0    1.0
position 54    1.0    1.0    1.0
position 55    1.0    1.0    1.0
position 56    1.0    1.0    1.0
position 57    1.0    1.0    1.0
position 58    1.0    1.0    1.0
position 59    1.0    1.0    1.0
position 60    1.0    1.0    1.0
position 61    1.0    1.0    1.0
position 62    1.0    1.0    1.0
position 63    1.0    1.0    1.0
position 64    1.0    1.0    1.0
position 65    1.0    1.0    1.0
position 66    1.0    1.0    1.0
position 67    1.0    1.0    1.0
position 68    1.0    1.0    1.0
%endblock GeometryConstraints



-- 
Walter Alberto Cañón Mancisidor
Químico, Licenciado en Química
Candidato a Doctor en Química
Laboratorio de Magnetismo Molecular
Facultad de Ciencias Químicas y Farmacéutica
Universidad de Chile
Tel: 56 (2) 978-2987
[email protected]

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