[GAMESS] tetralithioethene (テトラリチオエテン)

GAMESS calculation results - kyoroski
http://www8.ocn.ne.jp/~ymakioka/

[GAMESS] GAMESSでかんたん(?)分子軌道計算…その1：インストールから計算実行まで。ただしMac版。
http://kyoroski.blogspot.com/2010/08/gamess-gamess1mac.html

DFT-geometrical optimization of tetralithioethene (テトラリチオエテン) was performed at the B3LYP/6-31G(d) level. Then energy levels were calculated at the same level.

Content of the input file from here -----
! DFT, B3LYP/6-31G(d), optimization
$CONTRL DFTTYP=B3LYP SCFTYP=RHF RUNTYP=OPTIMIZE $END
$SYSTEM TIMLIM=600000 MEMORY=80000000 $END
$STATPT OPTTOL=0.0001 NSTEP=100 PROJCT=.FALSE. $END
$BASIS GBASIS=N31 NGAUSS=6 NDFUNC=1 $END
$GUESS GUESS=HUCKEL $END
$SCF DIRSCF =.TRUE. $END

$DATA

C1
C 6.0 -1.7598282093 3.0671302259 -1.6584692890
C 6.0 -1.4076310402 2.8267108331 -0.3925770730
Li 3.0 -1.9412848227 4.8638224715 -2.3106736068
Li 3.0 -2.1005310543 1.6281274182 -2.8830477842
Li 3.0 -1.0668951051 4.2656045843 0.8321203571
Li 3.0 -1.2262154398 1.0299609420 0.2594798329
$END
to here -----

Results of geometrical optimization...
HOMO (-2.56 eV):



LUMO (-1.85 eV):



Molecule modeling: Avogadro
http://avogadro.openmolecules.net/wiki/Main_Page
Geometry optimization and energy calculation: GAMESS-US
http://www.msg.chem.iastate.edu/gamess/
Structure display: MacMolPlt
http://www.scl.ameslab.gov/MacMolPlt/