More details:
The reference is " Molecular surfaces from the promolecule: A
comparison with Hartree-Fock ab initio electron density surfaces " V
21, Journal of Computational Chemistry, 2000.

The literature data were taken from Table I and II in the paper. The
electron density is set to be 0.002 for two molecules (H2O and C2H4)

Surface (angstrom^2)   Jmol results       Literature Data
H2O:                              36.71               36.68
C2H4:                            64.40                64.60

Volume (angstrom^3)   Jmol results        Literature Data
H2O:                              20.67                20.63
C2H4:                             45.05                45.17


Yi



On Tue, Feb 17, 2009 at 6:30 PM, Robert Hanson <[email protected]> wrote:
> Can you share with us some of the details? This is really excellent; I'd
> like to be able to point to specifics.
>
> On Tue, Feb 17, 2009 at 3:39 PM, Yi Mao <[email protected]> wrote:
>>
>> both numbers for volume/surface area are within 0.1% error margin for
>> sample systems.
>>
>> On Tue, Feb 17, 2009 at 8:52 AM, Robert Hanson <[email protected]> wrote:
>> > really!? How good?
>> >
>> > On Mon, Feb 16, 2009 at 5:20 PM, Yi Mao <[email protected]> wrote:
>> >>
>> >> Thanks everyone for help. I have compared the volume/surface for
>> >> isosurfaces from Jmol with the literature data, and the agreement is
>> >> very good!
>> >>
>> >> Yi
>>
>>
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>
>
> --
> Robert M. Hanson
> Professor of Chemistry
> St. Olaf College
> 1520 St. Olaf Ave.
> Northfield, MN 55057
> http://www.stolaf.edu/people/hansonr
> phone: 507-786-3107
>
>
> If nature does not answer first what we want,
> it is better to take what answer we get.
>
> -- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
>
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