Intro
Organization
Preface
Contents
Star Formation and Molecular Complexity
Interstellar Complex Organic Molecules in Solar-Type Star-Forming Regions: From Observations to Laboratory, Theoretical Computations and Models
1 Introduction
2 Theories of iCOM Formation
2.1 Gas+grain Chemistry
2.2 Only Grain Chemistry
3 iCOMs in Prestellar Cores
3.1 Observations of iCOMs in PSCs
3.2 Formation of iCOMs in PSCs
4 iCOMs in Hot Corinos
4.1 Observations of iCOMs in Hot Corinos
4.2 Formation of iCOMs in Hot Corinos
5 Conclusions and Perspectives

Formation of Complex Molecules in the Translucent Phase via ``non-energetic'' Processing on C2H2 Ice
1 Introduction
2 Experimental
3 Results and Discussion
4 Conclusions
References
The Nanocosmos Receivers for Laboratory Astrophysics and Radioastronomical Observations: GACELA and QUIJOTE
1 Chemical Complexity and Nanocosmos
2 The GACELA Gas Cell
2.1 The Radio Receivers
2.2 GACELA Observation of N-Ethyl Formamide
3 The QUIJOTE Line Survey of TMC-1
References
Exploring the Chemistry Induced by Energetic Processing of the H2-Bearing, CO-Rich Ice Layer

1 Introduction
2 Methods
3 Results and Discussion
4 Conclusions
References
A Computational Approach to Radical-Radical Reactivity on Amorphous Ice
1 Introduction
2 Methodology
3 Approximate Efficiencies
References
Condensation of Atomic Carbon: Routes Towards Organics
References
Dust From Evolved Stars to the ISM
Dust in the Diffuse ISM
1 Introduction
2 Reddening
3 Observational Constraints of ISM Dust
4 Silicate Grains
5 ISM Dust Model
References
Gas and Dust in the Circumstellar Envelopes of Stars on (and Beyond) the AGB

1 Introduction
2 AGB Stars and Their CSEs
3 Circumstellar Gas and Dust Compositions
4 Circumstellar Gas Chemistry
4.1 Parent Species, Photodissociation, and Daughter Species
4.2 Complications: Shocks, Clumps, Large-Scale Asymmetries, Dust-Grain Chemistry, and Companions
5 Circumstellar Dust Chemistry
6 Room for Improvements
References
The Corundum Conundrum
1 Introduction
2 Alumina Dust in Circumstellar Envelopes
2.1 Molecular Precursors
2.2 Al-O Clusters
2.3 Thermochemistry
References