producedsolved
solved 时间:2021-01-17 阅读:(
)
1ElectronicSupplementaryInformationIonizedFormofAcetaminophenwithImprovedCompactionPropertiesSathyanarayanaReddyPerumalla,LiminShi,andDepartmentofPharmaceutics,CollegeofPharmacy,UniversityofMinnesota,9-127BWeaver-DensfordHall,ChangquanCalvinSun*308HarvardStreetS.
E.
,Minneapolis,MN55455.
Fax:612-626-2125;Tel:612-624-3722;Email:sunx0053@umn.
eduS1.
Syntheticprocedurefor1.
FigureS1.
X-RaydifferenceFouriermapintheregionoftheatomsO(7)andO(100)inthecrystalstructureof1.
FigureS2.
ORTEPdiagramofasymmetricunitof2.
S2.
MechanicalpropertiesdeterminedbynanoindentationFigureS3.
Nanoindentationload-unloadcurvesofACMFormIand1.
S3.
PowdercompactionS4.
PowderX-raydiffractometryFigureS4.
CalculatedandmeasuredPXRDpatternsof1forbulkpowder.
S5.
X-RaycrystallographicdatacollectionstrategyandrefinementTableS1.
X-Raycrystaldataandstructurerefinementfor1.
TableS2.
X-Raycrystaldataandstructurerefinementfor2.
References2S1.
Synthesisof1:Acetaminophen(ACM,302mg)wasdissolvedinCon.
HCl(1.
6mL)withslightheatingthencooledtoroomtemperature.
Singlecrystalsof1suitableforstructuredeterminationbyX-raydiffractionmethodwereformedwithin30min.
AnX-raydifferenceFouriermaprevealsthatthesiteofprotonationistheamideoxygen,O(7)(FigureS1),whichisconsistentwiththeobservationmadeinliterature(Refs4and7inthepaper).
FigureS1.
X-RaydifferenceFouriermapintheregionoftheatomsO(7)andO(100)inthecrystalstructureof1.
Thesinglemaximumof0.
63e-3neartheatomO7correspondstoprotonatedhydrogen;itsdistancefromO(7)is0.
89,anditsdistancefromO(100)is1.
61.
Wepreparedbulkpowdersof1byeitherlinearlyscalinguptheabove-mentionedreactionorbysuspendingACM(15g)inCon.
HCl(75mL)atroomtemperaturefor12hours.
Ifprolongedheatingisapplied,crystalsof2areproduced(FigureS2).
3FigureS2.
ORTEPdiagramofasymmetricunitof2.
S2.
MechanicalpropertiesdeterminedbynanoindentationCrystalhardness,H,weredeterminedusingananoindenter(TriboIndenterTI-900,HysitronInc.
,MN,USA)withaBerkovichdiamondindentertip.
Beforenanoindentationtesting,thetipareafunctionwasderivedfromaseriesofindentationsonafusedquartzstandard.
Thenanoindentationexperimentswereperformedunderthedisplacementcontrolmode.
Theratesofloadingandunloadingwereboth100nm/sanda10sholdingwasappliedatthemaximumindentationdepthof500nm.
Nanoindentationdatawereanalyzedfollowingthestandardprocedure.
S1RepresentativenanoindentationdataforACMFormIand1areshowninFigureS3.
40100200300400500012341Load(mN)Displacement(nm)FormIFigureS3.
Nanoindentationload-unloadcurvesofACMFormIand1.
Amuchlowerforceisrequiredtomakeanindentofthesamesizeon1thanonACM.
S3.
PowdercompactionAmaterialtestingmachine(model1485,Zwick/Roell,Kennesaw,GA)wasusedtoperformcompactionstudyofbulkpowderof1ataloadingrateof1mm/s.
Powderwasgrindedinamortarusingapestletoreduceparticlesizebeforecompactionstudiesatpressuresrangingfrom25to350MPa,whereadie(round,8mmdiameter)andflat-facedpuncheslubricatedwithmagnesiumstearatewereemployed.
Tabletswererelaxedunderambientenvironmentfor24hbeforemeasuringdiametricalbreakingforceusingatextureanalyzer(TA-XT2i,TextureTechnologiesCorp.
,Scarsdale,NY).
Tablettensilestrengthwascalculatedfromthebreakingforceandtabletdimensionsfollowingstandardprocedure.
S25S4.
PowderX-raydiffractometryX-Raypowderdiffractogramwasobtainedonawide-anglediffractometer(D5005,BruckerAXS).
CuKαradiationwasused.
Thevoltageandcurrentappliedwere45kVand40mArespectively.
Themeasurementwasperformedwithastepsizeof0.
02ofrom5oto35o681012141618202224262830323402040608010012014016018020068101214161820222426283032340204060801001201401601802001recordedRelativeintensityDiffractionangle2θ1calculatedtwothetaandadwelltimeof1s.
PXRDdatawereanalyzedusingacommercialsoftware(JADE,MaterialsDataInc.
,Livermore,CA).
Asidefromthedifferentpeakintensities,whichisattributedtothephenomenonofpreferredorientation,experimentalPXRDpatternofthebulkpowderusedforcompactionmatcheswellwiththecalculatedPXRDpattern(FigureS4).
FigureS4.
CalculatedandmeasuredPXRDpatternsof1forbulkpowder.
6S5.
X-RaycrystallographicdatacollectionstrategyandrefinementSuitablesinglecrystalwasplacedontothetipofa0.
1mmdiameterglassfiberandmountedonaBrukerApexIICCDareadetectordiffractometerfordatacollectionat173(2)KusingMoKαradiation(graphitemonochromator).
S3DataprocessingwasaccomplishedwiththeSAINTprocessingprogram.
ThestructurewassolvedusingBrukerSHELXTLandrefinedusingBrukerSHELXTL.
S4Adirect-methodssolutionwascalculated,whichprovidedmostnon-hydrogenatomsfromtheE-map.
Full-matrixleastsquares/differenceFouriercycleswereperformed,whichlocatedtheremainingnon-hydrogenatoms.
Allnon-hydrogenatomswererefinedwithanisotropicdisplacementparameters.
AllhydrogenatomswerelocatedfromthedifferenceFouriermapandallowedtorideontheirparentatomsintherefinementcycles.
KeycrystaldataanddatacollectionparametersaresummarizedinTableS1andS2for1and2respectively.
DatacollectionandstructuresolutionwereconductedattheX-RayCrystallographicLaboratory,S146KolthoffHall,DepartmentofChemistry,UniversityofMinnesota.
7TableS1.
X-Raycrystaldataandstructurerefinementfor1.
EmpiricalformulaC8H12ClNO3Formulaweight205.
64Temperature173(2)KWavelength0.
71073CrystalsystemMonoclinicSpacegroupP2(1)/cUnitcelldimensionsa=6.
2761(6)α=90°.
b=22.
345(2)β=97.
2570(10)°.
c=6.
8833(7)γ=90°.
Volume957.
56(16)3Z4Density(calculated)1.
426Mg/m3Absorptioncoefficient0.
374mm-1F(000)432Crystalsize0.
36x0.
26x0.
16mm3Thetarangefordatacollection1.
82to26.
84°.
Indexranges-72sigma(I)]R1=0.
0272,wR2=0.
0734Rindices(alldata)R1=0.
0306,wR2=0.
0760Largestdiff.
peakandhole0.
193and-0.
243e.
-38TableS2.
Crystaldataandstructurerefinementfor2.
EmpiricalformulaC6H8ClNOFormulaweight145.
58Temperature173(2)KWavelength0.
71073CrystalsystemMonoclinicSpacegroupP2(1)/cUnitcelldimensionsa=6.
4919(6)α=90°.
b=6.
1159(6)β=90.
0320(10)°.
c=16.
8700(16)γ=90°.
Volume669.
80(11)3Z4Density(calculated)1.
444Mg/m3Absorptioncoefficient0.
480mm-1F(000)304Crystalsize0.
19x0.
16x0.
15mm3Thetarangefordatacollection2.
41to27.
56°.
Indexranges-82sigma(I)]R1=0.
0226,wR2=0.
0658Rindices(alldata)R1=0.
0228,wR2=0.
0660Extinctioncoefficient0.
017(3)Largestdiff.
peakandhole0.
271and-0.
207e.
-39References:(S1)W.
C.
Oliver,G.
M.
Pharr,J.
Mater.
Res.
1992,7,1564-1583(S2)J.
T.
Fell,J.
M.
Newton,J.
Pharm.
Sci.
1970,59,688-691.
(S3)Bruker(2007).
APEX2,SADABSandSAINT.
BrukerAXSInc.
,Madison,Wisconsin,USA.
(S4)G.
M.
Sheldrick,ActaCrystallogr.
2008,A64,112–122.
spinservers怎么样?spinservers大硬盘服务器。Spinservers刚刚在美国圣何塞机房补货120台独立服务器,CPU都是双E5系列,64-512GB DDR4内存,超大SSD或NVMe存储,数量有限,机器都是预部署好的,下单即可上架,无需人工干预,有需要的朋友抓紧下单哦。Spinservers是Majestic Hosting Solutions,LLC旗下站点,主营美国独立...
可以看到这次国庆萤光云搞了一个不错的折扣,香港CN2产品6.5折促销,还送50的国庆红包。萤光云是2002年创立的商家,本次国庆活动主推的是香港CN2优化的机器,其另外还有国内BGP和高防服务器。本次活动力度较大,CN2优化套餐低至20/月(需买三个月,用上折扣+代金券组合),有需求的可以看看。官方网站:https://www.lightnode.cn/地区CPU内存SSDIP带宽/流量价格备注购...
Pia云商家在前面有介绍过一次,根据市面上的信息是2018的开办的国人商家,原名叫哔哔云,目前整合到了魔方云平台。这个云服务商家主要销售云服务器VPS主机业务和服务,云服务器采用KVM虚拟架构 。目前涉及的机房有美国洛杉矶、中国香港和深圳地区。洛杉矶为crea机房,三网回程CN2 GIA,自带20G防御。中国香港机房的线路也是CN2直连大陆,比较适合建站或者有游戏业务需求的用户群。在这篇文章中,简...
solved为你推荐
免费虚拟主机哪个网站有比较稳定的免费虚拟主机提供?网速要快的,空间大点的。谢谢!广东虚拟主机西部数码和中国万网,哪家的虚拟主机哪个好,用过的说说?大连虚拟主机大连哪些地方的网通机房好?虚拟主机排名换一台虚拟主机会影响排名吗?沈阳虚拟主机为什么修改了虚拟机Vmware的TCP/IP配置以后就上不了网域名网站域名和网址的区别中文域名中文域名有哪些?顶级域名什么是顶级域名域名服务器IP地址设置时DNS服务器地址怎么填动态域名解析怎么做动态域名解析啊,希望高手指点
域名升级访问 黑龙江域名注册 北京服务器租用 com域名价格 山东vps 踢楼 hostgator la域名 idc测评网 gomezpeer 好看的留言 丹弗 牛人与腾讯客服对话 100m免费空间 宁波服务器 怎么测试下载速度 seednet 电信虚拟主机 吉林铁通 华为云盘 更多