Steps for creating a scientific journal I have organized several times some international conferences on my field (computational chemistry), where accepted proceedings are afterwards evaluated again for it submission to a special issue of a journal. Now I am thinking that I could create a journal for all those submission, even if at the beginning we have no impact factor (ISI) or if people are not so interested, but I would like this idea very much.

So I wonder of you can point which steps should I follow for creating a journal. I think I could attract many submissions, and I have servers where I could host it, but do not know the other technical and/or legal details.
Having followed a few new journals from birth to quick success I can see the following steps:


Make sure you identify a scope that has long-term interest (pretty obvious)
Make sure the idea is supported by your scientific community; that they see a benefit in yet another journal. Community involvement really helps.
Assemble a group of enthusiastic and well-respected scientists in the field of interest to form a group to plan for the journal and who may constitute the nucleus of the editorial board (equiv.). 
Create a proposal including a description of your goals and target audience for the journal.
Decide how the journal should be published. Open Access seems like a safe bet and initiate discussions with an Open Access Publisher. It is possible to publish on your own but using a publisher may provide access to other types of support so a careful assessment of the options are important.


----Now we assume the journal has passed the planning stages and will be launched


Make sure the community knows about the journal. This ground work can be continuous throughout the process but has to be realized by this point.
Try to attract as many prominent authors as you can and have them submit high quality work. This will help make the journal attractive. One goal, like it or not, is likely to get an impact factor (if that matters in your field) and that means publishing papers that get referenced. Attracting good papers in under any circumstances a good start.
Maintain high standards in your review process and make sure to maintain high publications standards. Good papers attract other good papers when people realize the journal is to be counted.


Only the contributions you can attract determine the success of the journal. Although some of the points above may seem obvious or even trivial, the more effort you add early on the higher the chance for success. In the cases I have seen, having the community on the train from the beginning and following the development has proved to be fruitful.