I guess your thin-film is too thin.

What it says is that the atoms ia1 and ia2 are too close. In your case they
are exactly the same atom. I would suspect one of you unit-cell parameters
to be very small, or that your unit-cell is overpopulated with atoms.

Try and plot your structure using any software and see if two atoms are on
top of each other. Then correct your structure to retain only the principal
cell atoms.

2015-05-21 8:59 GMT+02:00 aouchenni boudjemaa <[email protected]>:

> Hi siesta users,
> I run a job for thin films, so it makes these errors. is there anyone ho
> can give me a solution.
>
> siesta: WARNING: Atoms     5     7 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms     6     7 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    12    14 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    13    14 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    19    21 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    20    21 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    26    28 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    27    28 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    33    35 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    34    35 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    40    42 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    41    42 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    47    49 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    48    49 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    54    56 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    55    56 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    61    63 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    62    63 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    68    70 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    69    70 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    75    77 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    76    77 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    82    84 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    83    84 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    89    91 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    90    91 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    96    98 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms    97    98 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   103   105 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   104   105 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   110   112 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   111   112 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   117   119 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   118   119 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   124   126 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   125   126 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   131   133 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   132   133 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   138   140 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   139   140 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   145   147 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   146   147 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   152   154 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   153   154 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   159   161 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   160   161 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   166   168 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   167   168 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   173   175 too close: rij =    0.000000 Ang
> siesta: WARNING: Atoms   174   175 too close: rij =    0.000000 Ang
> New_DM. Step:     1
> Initializing Density Matrix...
>
> initdm: Initial spin polarization (Qup-Qdown) =   21.999999
>
> InitMesh: MESH =    54 x    54 x   270 =      787320
> InitMesh: Mesh cutoff (required, used) =   500.000   503.697 Ry
>
> * Maximum dynamic memory allocated =   276 MB
> Error in Cholesky factorisation in cdiag
> Error in Cholesky factorisation in cdiag
> ERROR STOP from Node:    0
> ERROR STOP from Node:    0
>
> B.Aouchenni
> PhD student
>
>


-- 
Kind regards Nick

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