Santa Maria Rosa Molas is a 20th century convent chapel at Via Cervino 6 which is in the meander of the Aniene river south-east of the Ponte Tazio. This is part of the Nomentana quarter.
The dedication is to St Maria-Rosa Molas y Vallvé, and is unique in Rome.
The congregation established its headquarters in Rome in the mid 20th century, and built a large three and four storey edifice. However, at the end of the same century the Generalate was moved to a villa at Via Aurelia 300 and the convent converted to a pilgrims' hotel. This is the Villa Maria Rosa Molas, which has a good reputation. Apparently only one sister is in residence.
The chapel is dependent on the parish of Santi Angeli Custodi, but has no public liturgical activity.
The chapel has no separate architectural identity. A photo of the interior is here.
Congregation's website (in Spanish, translation facility offered)