[CvGmt News] [Notiziario] [Settimanale] avviso Colloquio della Classe di Scienze, prof. Patrick Vaccaro (31.01.2018)-reminder

[Valeria Giuliani]

Valeria Giuliani
Scuola Normale Superiore
Servizio alla Didattica e Allievi
tel. 050 509260
Piazza dei Cavalieri, 7
56126 Pisa
E-mail: valeria.giuliani at sns.it
E-mail: classi at sns.it

---------- Forwarded message ----------
From: Valeria Giuliani <valeria.giuliani at sns.it>
Date: 2018-01-25 10:10 GMT+01:00
Subject: avviso Colloquio della Classe di Scienze, prof. Patrick Vaccaro
(31.01.2018)
To: professori.sci at sns.it, "professori.contratto.sci" <
professori.contratto.sci at sns.it>, ricercatori.sci at sns.it,
ricercatori.td.sci at sns.it, Borsisti <borsisti at sns.it>, assegnisti.sci at sns.it,
Perfezionandi Scienze <phd.sci at sns.it>, "phd.extra.sci" <
phd.extra.sci at sns.it>, Studenti Scienze <allievi.sci at sns.it>,
"allievi.extra.sci" <allievi.extra.sci at sns.it>, Esterni Scienze in
Convenzione <esterni_sci_inconvenzione at sns.it>
Cc: Classi <classi at sns.it>, Sito SNS <sitosns at sns.it>, Portineria Carovana <
portineria.carovana at sns.it>


*Colloqui della Classe di Scienze*

 Anno Accademico 2017/2018



Mercoledì  31 gennaio 2018

ore 15:00



*Scuola Normale Superiore*

Pisa

(Sala Azzurra)


*Patrick Vaccaro*

*(Department of Chemistry, Yale University, New Haven, CT USA)*



Terrà un seminario dal titolo:



*“Optical Rotatory Dispersion: New Twists on an Old Topic”*



*Abstract:*

Among the many physicochemical properties that distinguish chiral
molecules, perhaps none has had as profound an impact upon chemistry as the
characteristic interactions taking place with polarized light – phenomena
collectively known as optical activity. Efforts to probe the dispersive
(non-resonant) components of such spectral signatures in isolated molecules
will be presented, with emphasis directed towards the influence that
intramolecular (vibrational and conformational) dynamics and intermolecular
(environmental) perturbations can exert on theintrinsic response. Requisite
isolated-molecule measurements have been made possible by our development
of cavity ring-down polarimetry (CRDP), an ultrasensitive chiroptical probe
that has permitted the first quantitative analyses of optical rotatory
dispersion (ORD) to be performed in rarefied (gaseous) media. Comparison of
specific-rotation values acquired for rigid and flexible chiral species
under complementary isolated and solvated conditions will highlight the
coupling that exists among electronic and nuclear degrees of freedom as
well as the counterintuitive effects incurred by solute-solvent
interactions.



Tutti gli interessati sono invitati a partecipare

Classe di Scienze Matematiche e Naturali
Valeria Giuliani
Scuola Normale Superiore
Servizio alla Didattica e Allievi
tel. 050 509260
Piazza dei Cavalieri, 7
56126 Pisa
E-mail: valeria.giuliani at sns.it
E-mail: classi at sns.it

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