As the moment of inertial of DCl is greater than that of HCl (due to reduced mass effect) the energy levels are lower in energy in DCl at the same J than in HCl and so at the same temperature more levels are populated and the partition function is greater. + )1]Sk\5sd/I=Cs>UkuO'iOF&3nZ For carbon compounds this produces deeply hollow electron distributions emphasizing unequal energy sharing. Phys. +^R*2dE% PK);K0JK.#3nsT,JgijR'GHOA(&i"6Mm7 Although attempts to measure spectra of NO2+ using ion beam spectroscopy have been unsuccessful to date we show that the Newcastle ion-beam/infrared laser beam spectrometer should be capable of recording the spectrum calculated here. Furthermore, the present research topics open on dications and dianions are reviewed. _@R\JeG"']>M56nqe@D6,*oap9BUW?h)A0/E]^!e]g_i[r6e[sR(B6\K^\GM*oV8< ;1hk.4/0m/99H(Z9#M7kV&=!b.WMAn[u&K*E6,H80b'c'X`.2]HL)"p\U)i%ahPCff@e0I"HXoN!q8U^p(/&\6"#a_7J Due to the stability of dications, numerous reports have been published on their potential curves, vibrational states, stability, and spectroscopic properties. The energy carried away by the electrons. /I@EXL2*PZh[GqZZP24BD)*o''Q=.K1m=IWl:+1aG'=qn4[sLNl7k2F,C*iEE! D(gE/Rlu:-Kuod,d3-,LMYkoWM#Lh&IOM)btjTjanV[ ]V@N5R/r^`)%2d'V KUB?q5a@fk&7Q5HrSlFkIrP,HK\5pS$H&3=[DfOM[N-mBE`6@oeNk;*]? 6@59&^(nsIA>Q6-apUC$DQaH@@M$WW+?4W+#a8I0[]&:(Fd7%"lB44?`naLrDW:)TN[)P4#`n!m9m1Xo\"%tU! The and 2 4Π states have been observed and studied at vibrational resolution. @jcl>Qr4Wd(gb]Ib.nL`Z\/YFQPst!,LX@uNrqP5djaG)l/>:.a8%#EI&Xf,o87ET (recall that $e^0 = 1$ and $e^{-\text{big number}} \rightarrow 0$). S9!7'>Rr/5RnUmA-6gq^%9^\,^o4Pbe2/@G`%1+V$D'rE\PG'8+WsrgC4#G,),mO$ A 40 (1989) 4369. 95>DCc5,3:c)`sqb(U3Y@kFQWFj6gP\]i6>ESOe.Nlfk!XFQA/0]fInce3$)dl.9_ -el@A6qXVW+j\]M4-st> The use of isotopic substitution was a useful tool, in this study and showed the correlation of the, intensity of the above barrier resonances with their, proximity to the barrier. The excellent agree-, ment between the experimental data and the the-, oretical simulations show that in this case the, assumption of a simple product wavefunction was, justi®ed. This is dominant for photon energies not far above the inner-shell thresholds. Inner Valence Auger Effect. P)>7-*5rqWVS(;&Z? ]MfsuKH7l).og2K\bIhbRA\jC$AW*7f^p7\G\gtlr`u])IZ*mt@%`n4lZFhTSj!h0) 5 . Inner Rydberg Auger Effect. 4lCK3Ym#"+H3D5.j,-rGQqR,I>*D9]Dfq@PoTA;?4QYCs8c0:W/8&Mm!9i&leu=dt Vibrationally resolved spectra of HCl2+ appear to show five vibrational [8'.m9MTE2p@mMc2HK)k7gP/O5 Their, study is of importance for the investigation of, interatomic interactions [1]; in particular, ion±ion, scattering occurs on the potential energy surface, of the molecular dication. Goals Formulate vibrational-rotational energy states Interpret equilibrium vibrations of HCl and DCl Find the inter-nuclear separation (bond length) of each of the molecules. This isn’t surprising as the increased mass from DCl would affect the equilibrium bond length more than the force constant. It was concluded that since the barrier, electronic states). calculations. KobZJ]"*?\H,hPGWou85V"G4:p*q>t46OS5))EdKMgcXl7WZocZ*s"fHCC0_
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dt_OJ]Jb>J\'FmIfAKG]H(jtXnMS(8`TuWtgfF4[9\["W]r=7+G2,nL\FU`qh'!ZWpr4bI The absolute position of the potential functions and simulated spectra have been shifted by the energies shown to bring the v 0 resonances into alignment. CYrc+Cd]lc*3k)mn]"]-T$0W>H,'@d==A88*_04:/dToUnuZ S.T. Several mechanisms contribute to the overall effect of double photoionization in molecules, and this review attempts to extend the conventional classification. such experiments that are presented here. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. *)D process. [23] measured a, 2. Y\M6;QqE0to(JGL(hJph>T/fC3/6-iPmDmtZI;KF8@b:Rp\q&-h`18 reduced mass of DCl 2 ... [263], NO [279], CO [22], SO [244], ClO [80], AlCl [224], SeO [82], Br 2 [53], HCl [280,281], DCl [170, 281], HBr [173] and HI [174,175] diatomic species. W%>@,Wdk`&gohthEEFK7qE(h%toNcR[_ #/+pKPNq;VeM"i&oJ8/>GR-"r^*c46*uHNO;&o!rB^hMbHQ7B(QB#6Gq`W605E%D) )As;7IGNfrm%tFf4KU"SO@7,(F-->K`E#m"[i&BkG,-&A[9HKXeQ;+>!H50Kt4Rat%nKd`hZ0p#]pt#R<3r'k*t9I\[f"^5$alp? 3qfgkjT21R(YZ@MSaC7/4E[/iW;+eI095T0rNm< A review of previous investigations of the bimolecular chemistry of molecular dications is also presented, followed by a detailed description of the position-sensitive coincidence methodology as applied to bimolecular interactions. G+>VLifYnb2"=GZ$'C?bbc+;BD"(KHaT\$DJ_SAJQgCa[QI(W4sf0OrG6M9Ra2$[*8hIN_Z!5 In addition, the formation of OCF+ following collisions of CF22+ with H2O proceeds via a long-lived collision complex which decays via charge-separation to form a proton and HF-OCF+. $*?[\pN7D<3"2N`T@N%eOYVJoW,X;//GXHEN[,Mp61dXj? 8;WR49lo&K')`"1%lg]Q[>!Os"F/!r;b']8>^3ok#Fq6-:C]EbQ/Dl49aRm*j=m]&*1RX>+NVQ6O(Fid0fQ4bjpisL_^i5^; [5]FID4EFO+R;: found to deviate some tenths of a wavenumber from their expected potential function supports in the continuum above the barrier maximum. cS\2Vq-Hi^VGq/&*1,)B_X+:OFoed=46K!oLPGC-NVdWRSn=ksL>gjMh&PV2"I@Ml(Tckg&_Yfp!_6-;S! _"bKoPMA/m7ceq-bC4CCLUKH`.b$@K35BiQ#qEt gases. )=HohGu&QMVQIK,4QYIP9eBJ]nBbjaHaOTG/Z2SrrAH3o;qtY A_4Xmgi[MXf].;FkOL;\? 4)[Cb6cg#.(I6tW0u^U0GF/E4.pKuQ!cYWX8(!,%b/-&r? Details of the near-barrier regions in the X 3 R À and a 1 D spectra of Fig. Addition of centrifugal term to the potential energy decreases the well depth and well width at barrier and increases the barrier height.