Ƽ¾ØÁ¦ÀÌÅ×Å© Ä«Ä«¿Àä³Î

SCM

Ȩhome > MATERIAL Sci > SCM


ºÐÀÚµ¿¿ªÇÐ, ¸óÅ×Ä«¸¦·Î ½Ã¹Ä·¹À̼Ç, Ab initio

À̹ÌÁö»ó¼¼º¸±â
Amsterdam Modeling Suite
Powerful Computational Chemistry
Making Computational Chemistry Work for You


ÀÚ¼¼ÇÑ ¹®ÀÇ´Â 02-838-4016 ¶Ç´Â comj@tnjtech.co.kr·Î ¿äû Áֽñ⠹ٶø´Ï´Ù.
¸ñ·Ï


    Powerful molecular DFT to understand chemistry


ÃÖÀûÈ­µÈ ºÐÀÚ ±¸Á¶, ÀüÀÌ»óÅ ±¸Á¶, ¹ÝÀÀ¼º, ´Ù¾çÇÑ ½ºÆåÆ®·³À» DFT¸¦ ÀÌ¿ëÇÏ¿© ¿¹ÃøÇÒ ¼ö ÀÖ½À´Ï´Ù.
»ó´ë¼º È¿°ú¸¦ °í·ÁÇϸ鼭 ÁÖ±âÀ²Ç¥ÀÇ ¸ðµç ¿ø¼ÒµéÀ» Áö¿øÇÏ°í ¼öÁØ ³ôÀº Á¤È®¼ºÀ¸·Î °è»êÇÒ ¼ö ÀÖ´Â STO all-electron basis setsÀ» 
Á¦°øÇÏ¿© Áß¿øÀÚµéÀÌ Æ÷ÇÔµÈ ÀüÀ̱ݼÓÂø¹°, ³ª³ëÀÔÀÚ, À¯±âÀû ÀüÀÚ°øÇÐ ºÐ¾ß ¿¬±¸¿¡ ¸¹ÀÌ È°¿ëµË´Ï´Ù.    









ÁÖ¿ä ±â´É

 - Modern xc functionals, including latest dispersion corrections, double hybrids, and range-separated hybrids
 - Self-consistent spin-orbit coupling TDDFT
 - Charge transfer integrals, NEGF
 - Many bonding analysis tools (EDA, ETS-NOCV, QTAIM, NCI)
 - Fast G0W0 and RPA single point calculations
 - QM/MM and QM/QM' calculations of arbitrary periodicity
 - Slater-type orbitals: correct nuclear cusp (NMR, EPR)
 - Environments and solvation: DIM/QM, FDE, COSMO, SM12    
                                                                                                                   





    Periodic DFT for nanotubes, surfaces, and bulk


Accurate periodic density functional theory code·Î periodic DFT °è»ê¿¡ atomic orbitalsÀ» »ç¿ëÇÏ¿© plane waves ¹æ½Äº¸´Ù proper treatment of surfaces, efficient computations of sparse matter µî Á÷Á¢ÀûÀÌ°í ¼¼¹ÐÇÑ ºÐ¼® ¹æ¹ýÀ» Á¦°øÇÕ´Ï´Ù. °è»ê ¼Óµµ ¸é¿¡¼­ ºü¸¥ °è»êÀÌ ÇÊ¿äÇÒ °æ¿ì¸¦ À§ÇØ plane wave codeÀÎ Quantum ESPRESSO¸¦ ÇÔ²² Á¦°øÇÕ´Ï´Ù.



                 


ÁÖ¿ä ±â´É

 - Model surfaces & nanowires as true 2D & 1D periodic systems
 - All-electron basis sets for all elements
 - Easy to treat core holes (X-ray)
 - Relativistic effects treated efficiently and accurately with scalar ZORA
 - Self-consistent spin-orbit coupling
 - Homogeneous electric fields
 - Continuum solvation with COSMO & SM12
 - Calculate many spectra, orbitals & density properties
 - DFT-1/2 and model potentials (KTB-mBJ, GLLB-sc) for accurate band gaps 
 
                                                                                                                                                          


   


    Fluid thermodynamics from quantum mechanics


COSMO-RS (COnductor-like Screening MOdel for Realistic Solvents) ¸ðµâÀº ¾çÀÚ¿ªÇÐ µ¥ÀÌÅ͸¦ ±â¹ÝÀ¸·Î À¯Ã¼¿Í ¿ë¾×ÀÇ ¿­¿ªÇÐÀû 
¹°¼ºµéÀ» ¿¹ÃøÇÕ´Ï´Ù.




ÁÖ¿ä ±â´É
     
 - Solubilities, partition coefficients (log P, log kOW)
 - pKa values (empirical fit improves predictions)
 - Activity coefficients, solvation free energies, Henry's law constants
 - Vapor pressures, boiling points, vapor-liquid diagrams binary and ternary mixtures (VLE/ LLE)
 - Excess energies, azeotropes, miscibility gaps
 - Composition lines, flash points
 - Optimizing solvent mixtures for solubility or extraction
                                                                                                                                                         





    Fast approximate DFT for molecules, 1D, 2D and 3D


Density-Functional based Tight-Binding (DFTB)Àº ¹Ì¸® °è»êµÈ ÆĶó¹ÌÅ͵é°ú minimal basis, nearest-neighbor interaction¸¸À» °í·ÁÇÏ¿© DFT °è»êº¸´Ù ÈξÀ ÀûÀº °è»ê ½Ã°£À¸·Î Å« ½Ã½ºÅÛÀ» DFT °á°ú¿¡ ÁØÇÏ´Â ºñ±³Àû Á¤È®ÇÏ°Ô °è»êÇÕ´Ï´Ù.





ÁÖ¿ä ±â´É

 - Optimize minima and transition states and quickly characterize them
 - Periodic optimization under pressure
 - Fast UV/VIS spectra and excited state geometries
 - Doubly parallelized IR and VCD spectra, phonons, stress/strain
 - Band structures, effective mass, Density of States, pDOS, Molecular Orbitals
 - Advanced Molecular Dynamics and Monte Carlo
 - Solvation with GBSA
 - Charge transport with NEGF
                                                                                                                                                         





    Reactive MD with GUI and analysis tools


Reactive force field¸¦ ÀÌ¿ëÇÏ¿© È­ÇÐ ¹ÝÀÀÀÌ ÀϾ´Â large-scale systemsÀ» ¿¬±¸ÇÒ ¼ö ÀÖ½À´Ï´Ù.
Reactive force fieldÀÇ °³¹ßÀÚÀÎ van Duin ±³¼ö ¿¬±¸±×·ì°ú °øµ¿ °³¹ßÇÏ¿© original ReaxFF code¸¦ º´·ÄÈ­ ¹× ÃÖÀûÈ­ÇÏ¿© ¼ö½Ê¸¸°³ÀÇ ¿øÀÚ·Î ±¸¼ºµÈ È¥ÇÕ¹° ½Ã½ºÅÛµµ ÀÏ¹Ý µ¥½ºÅ©Åé ÄÄÇ»ÅÍ¿¡¼­ °è»êÇÒ ¼ö ÀÖ½À´Ï´Ù.
Classical force field¿¡¼­ ´Ù·ç±â ¾î·Á¿ü´ø ÀüÀ̱ݼӵ鵵 ´Ù·ê ¼ö ÀÖ°í ´Ù¾çÇÑ Á¶ÇÕÀ¸·Î 80°³ ÀÌ»óÀÇ ReaxFF force field¸¦ Á¦°øÇÕ´Ï´Ù.
ƯȭµÈ ¸ðµ¨ ½Ã½ºÅÛ¿¡ ¸ÂÃç »õ·Î¿î ReaxFF parameter setsÀ» °³¹ßÇϰųª ±âÁ¸ÀÇ parameter setÀ» °³¼±ÇÒ ¼ö ÀÖµµ·Ï (re)parametrization toolÀ» Á¦°øÇÕ´Ï´Ù.


- Mechanical properties of epoxide polymer


- Fitting ReaxFF force field parameters with CMA-ES

ÁÖ¿ä ±â´É

 - Analyze changing molecular composition and reaction pathways (ChemTraYzer), track surface reactions
 - AMStrain: Create and manage training sets for ReaxFF re-parametrization
 - Accelerate bond breaking with Collective Variable-driven Hyperdynamics
 - Molecule gun and molecule sink: depositing atoms and molecules, CVD, sputtering processes
 - Bond boost for cross-linking polymers
 - Grand-Canonical Monte Carlo: reactivity under thermodynamic equilibrium conditions
 - Force-bias Monte Carlo
 - Various free energy methods and MD analysis via the PLUMED library
 - Hybrid parallelization (MPI, openMPI)
 - Thermal conductivity (T-NEMD)
 - ACKS2 charge equilibration: correct long-range charge behavior (batteries, enzymes)
 - eReaxFF: explicit electrons
                                                                                                                   
 




    Machine Learning Potential


ÈûÀåÀ» »ç¿ëÇÏ´Â ½Ã¹Ä·¹ÀÌ¼Ç ¿¬±¸¿¡ ÇÊ¿äÇÑ °è»ê ½Ã°£ Á¤µµÀÇ ºñ¿ëÀ¸·Î ºÐÀÚµ¿¿ªÇÐ ½Ã¹Ä·¹À̼Ç, Æ÷ÅÙ¼È ¿¡³ÊÁö Ç¥¸éÀ» Ž»öÇÒ ¼ö 
Àִ machine learning potential ÀÔ´Ï´Ù.


     


»çÀü ¸Å°³ º¯¼öÈ­ µÈ ¸ðµ¨ ANI-1ccx, ANI-2x¸¦ Á¦°øÇÏ¿© ¹Ù·Î °è»ê¿¡ È°¿ëÇÒ ¼ö ÀÖ°í PiNN, SchNetPack, sGDML, TorchANI ¿£ÁøÀ» 
ÀÌ¿ëÇÏ¿© »õ·Î¿î Æ÷ÅÙ¼ÈÀ» ¸¸µé ¼ö ÀÖ½À´Ï´Ù.
                                                                                                                                                         








¸ñ·Ï