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[求助]
CASTEP建模计算求助:关于氮化铜计算
跪求大家帮忙:
下面是氮化铜晶格结构和我自己创建的模型
但是计算Energy的时候总是fail,出来的文件是这样的。求求大家帮帮我,我是外行,只想算一下氮化铜的晶格热容和极化率。
+-------------------------------------------------+
| |
| CCC AA SSS TTTTT EEEEE PPPP |
| C A A S T E P P |
| C AAAA SS T EEE PPPP |
| C A A S T E P |
| CCC A A SSS T EEEEE P |
| |
+-------------------------------------------------+
| |
| Welcome to Materials Studio CASTEP version 4.3 |
| Ab Initio Total Energy Program |
| |
| Authors: |
| M. Segall, M. Probert, C. Pickard, P. Hasnip, |
| S. Clark, K. Refson, M. Payne |
| |
| Contributors: |
| P. Lindan, P. Haynes, J. White, V. Milman, |
| N. Govind, M. Gibson, P. Tulip, V. Cocula, |
| B. Montanari, D. Quigley, M. Glover, |
| L. Bernasconi, A. Perlov, M. Plummer |
| |
| Copyright (c) 2000 - 2008 |
| |
| Please cite |
| |
| "First principles methods using CASTEP" |
| |
| Zeitschrift fuer Kristallographie |
| 220(5-6) pp. 567-570 (2005) |
| |
| S. J. Clark, M. D. Segall, C. J. Pickard, |
| P. J. Hasnip, M. J. Probert, K. Refson, |
| M. C. Payne |
| |
| in all publications arising from |
| your use of CASTEP |
| |
+-------------------------------------------------+
This version was compiled for win32 on Mar 27 2008
License checkout of MS_castep successful
Pseudo atomic calculation performed for N 2s2 2p3
Converged in 21 iterations to a total energy of -261.7138 eV
Pseudo atomic calculation performed for Cu 3d10 4s1
Converged in 22 iterations to a total energy of -1024.5917 eV
Calculation parallelised over 1 nodes.
K-points are distributed over 1 groups, each containing 1 nodes.
************************************ Title ************************************
CASTEP calculation from Materials Studio
***************************** General Parameters ******************************
output verbosity : normal (1)
write checkpoint data to : copper_nitride_cell.check
type of calculation : single point energy
stress calculation : off
density difference calculation : off
electron localisation func (ELF) calculation : off
unlimited duration calculation
timing information : on
memory usage estimate : on
write final potential to formatted file : off
write final density to formatted file : off
output length unit : A
output mass unit : amu
output time unit : ps
output charge unit : e
output energy unit : eV
output force unit : eV/A
output velocity unit : A/ps
output pressure unit : GPa
output inv_length unit : 1/A
output frequency unit : cm-1
output force constant unit : eV/A**2
output volume unit : A**3
output IR intensity unit : (D/A)**2/amu
output dipole unit : D
output efield unit : eV/A/e
wavefunctions paging : none
random number generator seed : randomised (160054171)
data distribution : optimal for this architecture
optimization strategy : balance speed and memory
*********************** Exchange-Correlation Parameters ***********************
using functional : Local Density Approximation
Divergence correction : off
************************* Pseudopotential Parameters **************************
pseudopotential representation : reciprocal space
representation : reciprocal space
**************************** Basis Set Parameters *****************************
basis set accuracy : MEDIUM
plane wave basis set cut-off : 550.0000 eV
size of standard grid : 1.5000
finite basis set correction : none
**************************** Electronic Parameters ****************************
number of electrons : 38.00
net charge of system : 0.000
net spin of system : 0.000
number of up spins : 19.00
number of down spins : 19.00
treating system as non-spin-polarized
number of bands : 23
********************* Electronic Minimization Parameters **********************
Method: Treating system as metallic with density mixing treatment of electrons,
and number of SD steps : 1
and number of CG steps : 4
total energy / atom convergence tol. : 0.2000E-05 eV
eigen-energy convergence tolerance : 0.3478E-06 eV
max force / atom convergence tol. : ignored
convergence tolerance window : 3 cycles
max. number of SCF cycles : 100
number of fixed-spin iterations : 10
smearing scheme : Gaussian
smearing width : 0.1000 eV
Fermi energy convergence tolerance : 0.3478E-07 eV
************************** Density Mixing Parameters **************************
density-mixing scheme : Pulay
max. length of mixing history : 20
charge density mixing amplitude : 0.5000
charge density mixing g-vector : 1.500 1/A
*******************************************************************************
-------------------------------
Unit Cell
-------------------------------
Real Lattice(A) Reciprocal Lattice(1/A)
3.9101625 0.0000000 0.0000000 1.6068860 0.0000000 0.0000000
0.0000000 3.9101625 0.0000000 0.0000000 1.6068860 0.0000000
0.0000000 0.0000000 3.9101625 0.0000000 0.0000000 1.6068860
Lattice parameters(A) Cell Angles
a = 3.910163 alpha = 90.000000
b = 3.910163 beta = 90.000000
c = 3.910163 gamma = 90.000000
Current cell volume = 59.783925 A**3
-------------------------------
Cell Contents
-------------------------------
Total number of ions in cell = 4
Total number of species in cell = 2
Max number of any one species = 3
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
x Element Atom Fractional coordinates of atoms x
x Number u v w x
x----------------------------------------------------------x
x N 1 0.000000 0.000000 0.000000 x
x Cu 1 0.500000 0.000000 0.000000 x
x Cu 2 0.000000 0.500000 0.000000 x
x Cu 3 0.000000 0.000000 0.500000 x
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
No user defined ionic velocities
-------------------------------
Details of Species
-------------------------------
Mass of species in AMU
N 14.0070000
Cu 63.5460014
Electric Quadrupole Moment (Barn)
N 0.0201000 Isotope 14
Cu -0.2110000 Isotope 63
Files used for pseudopotentials:
N N_00.recpot
Cu Cu_00.recpot
-------------------------------
k-Points For BZ Sampling
-------------------------------
MP grid size for SCF calculation is 4 4 4
Number of kpoints used = 4
+++++++++++++++++++++++++++++++++++++++++++++++++++++++
+ Number Fractional coordinates Weight +
+-----------------------------------------------------+
+ 1 0.375000 0.375000 0.375000 0.1250000 +
+ 2 0.375000 0.375000 0.125000 0.3750000 +
+ 3 0.375000 0.125000 0.125000 0.3750000 +
+ 4 0.125000 0.125000 0.125000 0.1250000 +
+++++++++++++++++++++++++++++++++++++++++++++++++++++++
-------------------------------
Symmetry and Constraints
-------------------------------
Number of symmetry operations = 48
There are no ionic constraints specified or generated for this cell
Set iprint > 1 for details on symmetry rotations/translations
Centre of mass is NOT constrained
Number of cell constraints= 5
Cell constraints are: 1 1 1 0 0 0
External pressure/stress (GPa)
0.00000 0.00000 0.00000
0.00000 0.00000
0.00000
+---------------- MEMORY AND SCRATCH DISK ESTIMATES PER NODE -----------------+
| Memory Disk |
| Model and support data 18.2 MB 0.0 MB |
| Electronic energy minimisation requirements 5.0 MB 2.5 MB |
| ----------------------------- |
| Approx. total storage required per node 23.2 MB 2.5 MB |
| |
| Requirements will fluctuate during execution and may exceed these estimates |
+-----------------------------------------------------------------------------+
------------------------------------------------------------------------ <-- SCF
SCF loop Energy Fermi Energy gain Timer <-- SCF
energy per atom (sec) <-- SCF
------------------------------------------------------------------------ <-- SCF
Initial -1.50620735E+003 5.21375836E+001 1.53 <-- SCF
1 -3.16751168E+003 5.19660561E+000 4.15326082E+002 3.20 <-- SCF
2 -3.34214349E+003 -2.18938576E+000 4.36579535E+001 5.36 <-- SCF
3 -3.35742851E+003 -3.07065621E+000 3.82125433E+000 7.38 <-- SCF
4 -3.35818972E+003 -3.05616622E+000 1.90302685E-001 9.16 <-- SCF
5 -3.35516693E+003 -2.75535122E+000 -7.55697550E-001 11.12 <-- SCF
6 -3.35496997E+003 -3.09791120E+000 -4.92394851E-002 13.31 <-- SCF
7 -3.35495173E+003 -3.09269956E+000 -4.56021887E-003 15.39 <-- SCF
8 -3.35494823E+003 -3.06693437E+000 -8.74975711E-004 17.62 <-- SCF
9 -3.35494808E+003 -3.06596429E+000 -3.90918949E-005 19.50 <-- SCF
10 -3.35494807E+003 -3.06342688E+000 -1.41627112E-006 20.92 <-- SCF
11 -3.35494807E+003 -3.06296057E+000 2.16867624E-007 22.30 <-- SCF
------------------------------------------------------------------------ <-- SCF
Final energy, E = -3354.948071284 eV
Final free energy (E-TS) = -3354.948071284 eV
(energies not corrected for finite basis set)
NB est. 0K energy (E-0.5TS) = -3354.948071284 eV
************** Symmetrised Forces ***************
* *
* Cartesian components (eV/A) *
* --------------------------------------------- *
* x y z *
* *
* N 1 0.00000 0.00000 0.00000 *
* Cu 1 0.00000 0.00000 0.00000 *
* Cu 2 0.00000 0.00000 0.00000 *
* Cu 3 0.00000 0.00000 0.00000 *
* *
*************************************************
Writing model to copper_nitride_cell.check
Writing analysis data to copper_nitride_cell.castep_bin
Initialisation time = 0.81 s
Calculation time = 22.14 s
Finalisation time = 0.08 s
Total time = 23.03 s
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氮化铜晶格结构
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