This is the neutral scale of the Napoli temperament family.

Intervals

Degrees Phrygian Mode (aka Double) Neapolitan Temperament (natural minor) Phrygian-Aeolian Mode Neapolitan Temperament (intermediate minor) Aeolian Mode Neapolitan Temperament (melodic/harmonic minor)
Absolute Minimum Minimum Maximum Minimum Maximum Minimum Maximum
1 150 156 165 171.429 180
2 300 312 330 342.857 360
3 450 468 495 514.286 540
4 600 624 660 685.714 720
5 750 780 825 857.143 900
6 900 936 990 1028.571 1080
7 1050 1092 1155 1200 1260

Golden Tunings

Degrees Phrygian Mode (natural minor) Phrygian-Aeolian Mode (intermediate minor) Aeolian Mode (melodic/harmonic minor)
1 164.127 166.941 174.053
2 328.254 333.883 348.107
3 492.381 500.824 522.161
4 656.508 667.765 696.2145
5 820.6345 834.7065 870.268
6 984.7615 1000.648 1044.321
7 1148.888 1168.589 1218.375