The latest version of MRCC is released on May 23, 2018.
The important new features and changes are as follows.
1) New, more efficient local CCSD(T) implementation.
2) Dual basis set embedding approximations.
3) Efficient TD-HF and TD-DFT implementations.
4) Improved SCF convergence, treatment of linear dependence of the basis set.
5) A couple of bugs have been fixed and the manual has been improved.
It is recommended for every user to upgrade to this version.
''Naked lady'' with colchicine
Colchicum autumnale
Flood
In a forest in Hungary
Adonis vernalis
Natural source of cardiac glycosides
Papilio machaon
The Old World Swallowtail
Colors of Autumn in Hungary part I
Autumn leaves—click for sadness
Colors of Autumn in Hungary part II
Among the trees—click for happiness
Silver-washed Fritillary
Pterins were first discovered in the pigments of butterfly wings
Winter in Hungary part I
Bakony
Winter in Hungary part II
Gaja Creek, Bakony
''You can't beat the view'' - Matt Kowalski
Tar-kő, Bükk National Park, Hungary
Springtime - Corydalis cava
(S)-6,7,7a,8-tetrahydro-11-methoxy-7-methyl-5H- benzo[g]-1,3-benzodioxolo-[6,5,4-de]quinolin-2-ol