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Int. J. Mol. Sci., Volume 1, Issue 1 (March 2000), Pages 1-16

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Editorial

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Open AccessEditorial Message from the Editor-in-Chief
Int. J. Mol. Sci. 2000, 1(1), 1-2; doi:10.3390/ijms1010001
Received: 16 December 1999 / Accepted: 16 December 1999 / Published: 1 January 2000
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Abstract
When I was a teeneger the 21st century was the distant future for us and the subject of science fiction novels.[...] Full article
Open AccessEditorial Publisher's Notice: Why One More New Journal?
Int. J. Mol. Sci. 2000, 1(1), 3; doi:10.3390/ijms1010003
Received: 1 October 1999 / Published: 1 January 2000
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Abstract
MDPI launched Molecules (http://www.mdpi.org/molecules) in 1995, which is the first electronic journal of experimental chemistry in the world.[...] Full article
Open AccessEditorial A Forum for 21st Century Molecular Sciences
Int. J. Mol. Sci. 2000, 1(1), 4-5; doi:10.3390/ijms1010004
Received: 10 December 1998 / Accepted: 11 December 1998 / Published: 1 January 2000
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Abstract
As the technical editor, it is my great pleasure in welcoming you to our new journal.[...] Full article

Research

Jump to: Editorial, Other

Open AccessArticle Density Functional Studies of Molecular Polarizabilities. 7. Anthracene and Phenanthrene
Int. J. Mol. Sci. 2000, 1(1), 8-16; doi:10.3390/ijms1010008
Received: 7 February 2000 / Accepted: 7 March 2000 / Published: 28 March 2000
Cited by 15 | PDF Full-text (37 KB) | HTML Full-text | XML Full-text
Abstract
We report accurate Ab Initio studies of the static dipole polarizabilities of anthracene and phenanthrene. Geometries were optimized at the HF/6-311G(3d,2p) level of theory. Dipole polarizabilities were calculated at the HF/6-311++G(3d,2p) and BLYP/6-311++G(3d,2p) levels of theory, using HF/6-311G(3d,2p) geometries. The calculated dipole polarizabilities
[...] Read more.
We report accurate Ab Initio studies of the static dipole polarizabilities of anthracene and phenanthrene. Geometries were optimized at the HF/6-311G(3d,2p) level of theory. Dipole polarizabilities were calculated at the HF/6-311++G(3d,2p) and BLYP/6-311++G(3d,2p) levels of theory, using HF/6-311G(3d,2p) geometries. The calculated dipole polarizabilities for anthracene are compared with experiment. Inclusion of electron correlation using the BLYP procedure increases the L and M components of the dipole polarizability, but not the perpendicular (N) component. Examination of corresponding BLYP results for the polyacene series benzene, naphthalene and anthracene shows that the normal component of the dipole polarizability scales linearly with the number of benzene ring units, with an increment of 20.8 au. The medium component also scales linearly with an increment of 42.8 atomic units. The long component does not scale linearly. Semi-emiprical AM1 calculations are also given for comparison; the normal component of the dipole polarizability tensor is poorly represented by such calculations. Full article

Other

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Open AccessCommentary What Is a Molecule?
Int. J. Mol. Sci. 2000, 1(1), 6-7; doi:10.3390/ijms1010006
Received: 1 October 1999 / Accepted: 11 October 1999 / Published: 1 January 2000
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Abstract
During recent four years when I edited the chemistry journal Molecules (www.mdpi.org/molecules/) and handled chemical samples at MDPI (http://www.mdpi.org), an international nonprofit organization for worldwide collection, deposit and exchange of chemical samples, I always had a question in mind: what is a molecule?[...]
[...] Read more.
During recent four years when I edited the chemistry journal Molecules (www.mdpi.org/molecules/) and handled chemical samples at MDPI (http://www.mdpi.org), an international nonprofit organization for worldwide collection, deposit and exchange of chemical samples, I always had a question in mind: what is a molecule?[...] Full article
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