[Pw_forum] Fwd: error in relaxation
bhabya sahoo
bdslipun at gmail.com
Thu Jan 26 06:56:37 CET 2012
---------- Forwarded message ----------
From: bhabya sahoo <bdslipun at gmail.com>
Date: Wed, Jan 25, 2012 at 10:26 PM
Subject: Fwd: error in relaxation
To: pw_forum-request at pwscf.org
---------- Forwarded message ----------
From: bhabya sahoo <bdslipun at gmail.com>
Date: Wed, Jan 25, 2012 at 6:14 PM
Subject: error in relaxation
To: PWSCF Forum <pw_forum at pwscf.org>
i want to use vc-relax in p6/3mmc phase of ptal2
but at end the error looks like this
2445 ! total energy = -228.56236722 Ry
2446 Harris-Foulkes estimate = -228.56236722 Ry
2447 estimated scf accuracy < 8.1E-09 Ry
2448
2449 The total energy is the sum of the following terms:
2450
2451 one-electron contribution = 14.22118625 Ry
2452 hartree contribution = 21.19884711 Ry
2453 xc contribution = -137.66928250 Ry
2454 ewald contribution = -126.31282800 Ry
2455 smearing contrib. (-TS) = -0.00029008 Ry
2456
2457 convergence has been achieved in 7 iterations
2458
2459 Forces acting on atoms (Ry/au):
2460
2461 atom 1 type 2 force = 0.00000000 0.00000000
0.00000000
2462 atom 2 type 1 force = 0.00000000 0.00000000
0.00000000
2463 atom 3 type 2 force = 0.00000000 0.00000000
0.00000000
2464 atom 4 type 2 force = 0.00000000 0.00000000
0.00000000
2465 atom 5 type 1 force = 0.00000000 0.00000000
0.00000000
2466 atom 6 type 2 force = 0.00000000 0.00000000
0.00000000
2467
2468 Total force = 0.000000 Total SCF correction =
0.000000
2469
2470
2471 entering subroutine stress ...
2472
2473 total stress (Ry/bohr**3) (kbar)
P= 0.13
2474 0.00000208 0.00000000 0.00000000 0.31 0.00
0.00
2475 0.00000000 0.00000208 0.00000000 0.00 0.31
0.00
2476 0.00000000 0.00000000 -0.00000142 0.00 0.00
-0.21
2477
2480 (criteria: energy < 0.10E-03, force < 0.10E-02, cell <
0.50E+00)
2481
2482 End of BFGS Geometry Optimization
2483
2484 Final enthalpy = -228.5623672168 Ry
2485 Begin final coordinates
2486 new unit-cell volume = 616.53001 a.u.^3 ( 91.36032 Ang^3
)
2487
2488 CELL_PARAMETERS (alat= 8.07405095)
2489 1.021263439 0.000000000 0.000000000
2490 -0.510631719 0.884440082 0.000000000
2491 0.000000000 0.000000000 1.296801680
2492
2493 ATOMIC_POSITIONS (crystal)
2494 al 0.000000000 0.000000000 0.000000000
2495 pt 0.333333333 0.666666667 0.250000000
2496 al 0.333333333 0.666666667 0.750000000
2497 al 0.000000000 0.000000000 0.500000000
2498 pt 0.666666667 0.333333333 0.750000000
2499 al 0.666666667 0.333333333 0.250000000
2500 End final coordinates
2501
2502
2503
2504 A final scf calculation at the relaxed structure.
2505
2506 The G-vectors are recalculated.
2507
2508 Stick Mesh
2509 ----------
2510 nst = 2795, nstw = 313, nsts = 1135
2511 n.st n.stw n.sts n.g n.gw n.gs
2512 min 2795 313 1135 152759 6087 38757
2513 max 2795 313 1135 152759 6087 38757
2514 2795 313 1135 152759 6087 38757
2515
2516
2517
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2518 from sym_rho_init_shell : error # 3
2519
SAHOO B
RESERCH SCHOLAR
MUMBAI
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