3,3

Angle between chemical bonds in the sp^3 hybridization scheme.

Angle between any two non-parallel bonds in a diamond crystal.

For its value in radians and further comments, see A156546.

Stanislav Sykora, Table of n, a(n) for n = 3..2000

109.4712206344906913692459993399624359630068431009079482881711063560...

RealDigits[N[ArcCos[-1/3]*180/Pi, 100]][[1]] (* Vaclav Kotesovec, Sep 17 2014 *)

(PARI) acos(-1/3)*180/Pi

Cf. A156546.

Sequence in context: A199054 A131109 A267315 * A154397 A116186 A011113

Adjacent sequences: A247409 A247410 A247411 * A247413 A247414 A247415

nonn,cons,easy

Stanislav Sykora, Sep 16 2014

approved