Gaussian 09 量子化學計算軟體 - 新永資訊
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計算化學軟體. 介紹. Gaussian 09 is up-to-date version in the electronic structural calculation program Gaussian series. It is used by the people of the new ...
Gaussian09量子化學計算軟體-計算化學軟體/新永資訊有限公司
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計算化學軟體
Gaussian09量子化學計算軟體
Gaussian09量子化學計算軟體
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計算化學軟體
介紹
Gaussian09isup-to-dateversionintheelectronicstructuralcalculationprogramGaussianseries.Itisusedbythepeopleofthenewresearchareawherethechemist,thechemicalengineer,therawchemistandthereisthephysicalchemistandchemicallyaninterest.Gaussian,qualityofthevariousmoleculeswhichareinducedfromfundamentalcalculationthebasiclawofquantumchemistryasafoundation,andtogether,estimatesthefrequencyofenergy,molecularstructureandmoleculartype.Tocalltheshort-livedintermediatefieldandtransitionstatestructurenotonlythestablemolec
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Gaussian09QuantumChemicalCalculationSoftware
Gaussian09量子化學計算軟體
Gaussian09isup-to-dateversionintheelectronicstructuralcalculationprogramGaussianseries.Itisusedbythepeopleofthenewresearchareawherethechemist,thechemicalengineer,therawchemistandthereisthephysicalchemistandchemicallyaninterest.Gaussian,qualityofthevariousmoleculeswhichareinducedfromfundamentalcalculationthebasiclawofquantumchemistryasafoundation,andtogether,estimatesthefrequencyofenergy,molecularstructureandmoleculartype.Tocalltheshort-livedintermediatefieldandtransitionstatestructurenotonlythestablemoleculeandtoobserveexperimentallytodifficultyorimpossiblechemicalcompound,usingthereactionandthemoleculeunderwide-rangingconditionforresearchitispossible.Here,itintroducesfunctionalhowmanyitisimprovednewly.
ThereactionmodelingoftheenormoustypewhichusesONIOM
AsforONIOM,MO:Ithas“electronicembedding”functionatthetimeofMMcalculating.Withthat,itcanadoptthestaticcharacteristicofMMterritorywhencalculatingtheQMterritory.Inaddition,ithastheoptimizationalgorithmwhichhasreliabilityathighspeed.Withthisalgorithm,thecouplingbetweentheatoms,insideeachmodelsystemitgathersatespeciallyMMlayermicro-iterationhasgonebetweenoptimizationstepsofentirerealtype.WithGaussian09,manyfunctionalstrengtheningbelowaredoneinregardtoONIOM:
• Structuraloptimizationoftransitionstate
• FromhighspeedIRCcalculation
• Thevibrationcalculationwhichincludes“electronicembedding”
• Calculationinsolvent
• Improvementofeffectivespeed
• MMpowerplacewhichcanbecustomizedoverthewhole
• Itdependsonaccurateanalyticalslopeandfrequency,themounting(asforparameterallcustomizationpossibilities)newAM1,PM3,PM3MM,PM6andthePDDGsemi-empiricalmethod
IronenzymeisopenicilinofnonhemetypeNsynthase(IPNS)
Atomseveral5,368(asforfigurehydrogenatomnonindication).
Thisistypicalonesoftheimportantcatalystwithbasicbiochemicalprocess.Itbecamecleartheparentandthemetalcenteroftheproteinhowhavecontributedtothecatalystactivityofenzymetypeindividually,withthemodelingdoingthismolecule.
Referenceliteraturebelow:
[M.LundbergandT.KawatsuandT.Vreven,M.J.FrischandK.MorokumaandJCTC5(2009)222.]
EnergyplottingoftheIRCcalculationwhichutilizesONIOMfunction
WiththeONIOMfunctionofGaussian09,transitionstatestructureofthereactionwhichisinthemidstofresearchingwasoptimized.Becausecompletelythecouplingithasdonetherepetitiontechniqueofmacroandmicrowithstructuraloptimization,thesecondarycouplingofQMlayerofMMinsidelayersectionisincludedexplicitly.Youverifiedthetransitionstatestructurewhichisoptimized,withfrequencycalculation.Inorderand,tocalculatereactionpath,itmadethestartingstructureofIRC.Plottingtheresultofbeingobtainedbycalculationisshownontheleft.
ThestructurefromIRCwhichitcalculated
Theroughsketch,usingGaussView5,drewupthemiddleofIRCanimationasthestillpicture.Thepointinregardtoenergyplottingwhichcorrespondstothesestructuresisshown,intheupperfigurewiththeasterisk(fromthelefttheright).Centralstructureistransitionstate.Thenearbyhydrogenatomofthesulphuratomwhichshowswithyellow,itkeepsspreadingwithreactionsutraroadsurfaceyouunderstand.
Researchofexcitationstateinvaporphaseandsolvent
ExcitationstatesystemandinordertoresearchthereactionandtheprocessitisnewinGaussian09,manyfunctionsareincluded:
• AnalyticaltimedependenceDFT(TD-DFT)slope
• EOM-CCSDmethod
• Statespecificsolvationexcitationanditislowtransitiontothelevel
• Franck-CondonandHerzberg-Telleranalysis(FCHT)
• CISin(equilibriumandnon-equilibrium)solventandcompletecorrespondenceofTD-DFTcalculation
CalculatedvalueofQxbandofporphyrinandcomparisonofsurveyspectrum.
Asforthesegraphs,itissomethingwhichcomparesthehighresolutionsemilinearabsorptionandemissionband.PlottingstrengthofcalculationandsurveyΩ(absorption)andissomethingwhichwithω3(radiation)isdivided.GroundstatewithDFTmethodexcitationstatestructuraloptimizationandfrequencycalculationweredonewithTD-DFTmethodmakinguseofPBE1PBEfunction(generallyknownPBE0).ElectrontransitionstrengthwithvibrationalanalysistotransitionstateusedFranck-CondonHerzberg-Tellermethodfromgroundstate.TheseallfunctionsaremountedonGaussian09.Applying0.95,ithasshortenedthefrequencyaxisofthespectrumwhichitcalculated.Concerningmoredetailedcalculationcontents,pleasereadtheliteraturebelow:
F.SantoroandA.LamiandR.ImprotaandV.Baroneand J.Chem.Phys. 128 (2008)224311.
OtherAdvancedCapability
LikebelowAdvancedCapabilityisintroducedintoGaussian09,toinadditionto:
• Solvationfunctionalsubstantialstrengthening: WiththeexcitationstatesystemwhichyouarementionedabovenewfunctionismountedinSCRFinadditiontofunction.Withtypecontinualplanesurfaceelectriccharge,continuity,smoothcharacteristicandstrongcharacteristicofthereactionplaceareguaranteed.Inaddition,alsocontinuityofthedifferentialregardingthepositionandtheexternalperturbationplaceoftheatomisguaranteed.Asaresult,(possibleatthenumberofstepswhicharenotdifferentfromvaporphase)structuraloptimizationandtheaccuratefrequencycalculationwhoseathighspeedinthesolventreliabilityishigherbecome.
• TheanalyticalslopewhichisbyBruecknerDoubles(BD)method
• Additionalspectrumestimatefunction: TheanalyticalprimarysuperpolarizabilitywhichisbyDFTnumericalsecondarysuperpolarizability,analyticalstaticanddynamicRamanstrengthandanalyticaldynamicROAstrength,improvementnonharmonyfrequencycalculation.
• Populationanalysisofindividualtrack
• Itwasbasedonthefragment,firststageguessandpopulationanalysis
• Improvementofoperativity: Manycalculationtypes,reliabilitywellrecalculatepossibly.Retainingandreadingthelayeroffixing,fragmentdefinitionandONIOMoftheatomwiththefragmentdefinitionandtypeinthemoleculeandtheselectionandtherearrangingofthestandardvibrationwhichintheresidueandthefrequencycalculationisobserved,theretentionandthereadingandthestandardvibrationofpost-SCFstrengthareincludedinthese.
• TheAdvancedCapabilityofmanyDFT: Longdistancerevision,empiricaldispersionanddoublehybridfunctional
• Theprogramsubstantialspeedimprovementhasdoneeverywhere.Structuraloptimizationofthebigmoleculeaccelerates,frequencycalculationisparalleland16times,intheIRCcalculation3times,improvementof2timeshasdoneintheangleofrotationcalculation.
HyperChem化學分子軟體
HyperChem是複雜分子模型的建立環境軟體,它以品質、彈性和容易使用著稱。
HyperChem以3D的圖形和動畫來顯示量子化學的計算、分子力學和力學等。
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HyperProtein蛋白質序列與結構綜合分析軟體
HyperProtein蛋白質序列與結構綜合分析軟體,專注於電腦科學相關的蛋白質序列研究分析,HyperProtein不僅能夠對1D蛋白質序列進行分析,同時也可以對序列的結果3D蛋白質結構進行分析
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HSCChemistry9
Outotec'sChemicalReactionandEquilibriumSoftwareHSCChemistryistheworld'sfavoritethermochemicalsoftwarewithaversatileflowsheetsimulationmodule.HSCisdesignedforvariouskindsofchemicalreactionsandequilibriacalculationsaswellasprocesssimulation.
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