Nuit: 0, specifically Ain Soph. Also, the whole Tree of Life insofar as she is Infinite.
Hadit: 0, specifically Ain. Also, Kether in a sense.
Abrahadabra: 6, insofar as it refers to union of microcosm and macrocosm. In this sense, it also refers to 1 in a higher sense.
Babalon: 3, as the Holy Mother.
Chaos: 2, as the Holy Father.
Therion: 2, as the consort of Babalon. The path of Leo insofar as it is combined with Babalon (i.e. Therion-Babalon).
Baphomet: 6 as the child of Babalon and Chaos/Therion; 1 as the Two-in-One that transcends dualities.
Aiwaz: 6 as the Holy Guardian Angel. The High Priestess path as that which connects the Supernals to the rest of the Tree, i.e. as the Messenger. Also 2 insofar as 2 is the essence of the Word.
Ra hoor khuit: 1 as Horus who is God of this Aeon - Crowley calls the Tree of Life RHK's "Anatomy" i.e. the body of God and the complement to HPK who is 0 in a sense (Atu 0). Also 6 as the Holy Guardian Angel and the Sun. 5 in his martial aspect. 4 + 5 + 6 as the descending red triangle. Also Atu XV as the complement to Atu 0 (i.e. Horus come to full growth, achieving the Solar-Phallic wand/lance).
Heru ra ha: 1 as Horus who is Two-in-One. Also 6 as the Sun. Atu XIX as the Sun and Atu VI as the Twins (Heru-Ra-Ha = RHK + HPK)
Solve: 3 insofar as it represents the process of crossing the Abyss. Going up the Tree in general; The path of the Chariot which crosses the Abyss is particularly relevant. 2 becoming 0 in the ontology of the New Aeon.
Coagula: Going down the Tree, 10 as Malkuth is the consolidation or final step of this process. The jump from 3 to 4 insofar as it represents the unity of the Supernals entering multiplicity. 0 becoming 2 in the ontology of the New Aeon.
Agape: The path connecting 2 and 3 insofar as it is Daleth/Venus/Love. It encompasses the Tree of Life in another sense (in the same way the glyph of Venus encompasses all the Sephiroth on the Tree). 3 as the complement to 2. It is the path of Samekh insofar as it refers on the lower level to K&C of HGA but also applies to the formula of Crossing the Abyss (i.e. death as an act of love and vice versa).
Thelema: 2 insofar as it is the Chiah or Life-force also with Agape as 3 as its complement. Also encompasses the whole Tree of Life in that it is the Law governing all things.

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In the list, the only correspondences I know are Babalon and Chaos to sephiroth 3 and 2 respectively.

RHK - seems like Tiphareth as my HGA stand in. No, now RHK seems like Kether as the meeting of Ain Soph and Ain Soph Aur. No now RHK is Geburah - yes definitly Geburah. Nope now Crowley identifies him with Ra (Tiphareth), Hoor (Geburah) Khuit (Chesed) so he's the whole middle triangle.

Things like this happened a lot for me.

I used to see this as a negative. Now I see it as a positive.

Just sayin

Thanks

The big 'jump' from Hadit being one to Ra-Hoor-Khuit as 10 is the result of the latter being the union of Nuit and Hadit. ( Think : {0} U {1} = {1,0} )

Chaos: 2
Babylon: 3
Baphomet: 4 (?)
Therion: 5 (?)
Aiwaz: 6

As Skia stated, solve et coagula are processes and I do not believe they have a place on the Tree ( I could be wrong). A correlation of interest may be Solve as Thelema and Coagula as Agape.

I don't think solve and coagula would be on it, though. From my understanding they're more of a development "process" than a single door, so to speak. Abrahadabra may be the same way, as it's the formula of the completion of the work, so I can see it as a formula of the entire journey as well as the path of cheth.