[Pw_forum] problem in relaxing gold cluster

[hajar zareyi]

Dear all, 

I am trying to relax gold cluster but the structure is going to break apart. there is my input file 

&CONTROL 
calculation = 'relax' , 
restart_mode = 'from_scratch' , 
outdir="./TMP", 
pseudo_dir ="./", 
tprnfor = .true. 
tstress = .true. 
prefix = 'AU', 
/ 
&SYSTEM 
ibrav = 1, 
celldm(1) = 34.75, 
nat = 13, 
ntyp = 1, 
ecutwfc = 45 , 
ecutrho = 500, 
occupations = 'smearing' , 
degauss= 0.01 , 
smearing= 'gaussian', 
/ 
&ELECTRONS 
mixing_mode = 'local-TF' 
mixing_beta = 0.7 
conv_thr = 1.D-6 , 
/ 
&IONS 
/ 
&CELL 
/ 
ATOMIC_SPECIES 
Au 196.966657 Au.blyp-d-hgh.UPF 
ATOMIC_POSITIONS (angstrom) 
Au 7.0000000 10.0000000 10.0000000 
Au 8.3600000 7.6440000 10.0000000 
Au 11.0800000 7.6440000 10.0000000 
Au 12.4400000 10.0000000 10.0000000 
Au 11.0800000 12.3560000 10.0000000 
Au 8.3600000 12.3560000 10.0000000 
Au 9.7200000 10.0000000 10.0000000 
Au 9.7238155 8.4315277 7.777622 
Au 8.3424810 10.7842271 7.780175 
Au 11.0523480 10.8179223 7.78000 
Au 9.7238155 8.4315277 12.2223780 
Au 8.3328179 10.7673656 12.2200000 
Au 11.0523480 10.8179223 12.2200000 

K_POINTS gamma 

is there any one to help me to correct it 




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