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A319914 Single-bond covalent radii (in picometers) of the chemical elements. 3

%I #13 Oct 06 2018 09:08:45

%S 32,46,133,102,85,75,71,63,64,67,155,139,126,116,111,103,99,96,196,

%T 171,148,136,134,122,119,116,111,110,112,118,124,121,121,116,114,117,

%U 210,185,163,154,147,138,128,125,125,120,128,136,142,140,140,136,133,131,232,196,180,163,176,174,173,172,168,169,168,167,166,165,164,170,162,152,146,137,131,129,122,123,124,133,144,144,151,145,147,142,223,201,186,175,169,170,171,172,166,166,168,168,165,167,173,176,161,157,149,143,141,134,129,128,121,122,136,143,162,175,165,157

%N Single-bond covalent radii (in picometers) of the chemical elements.

%C For chemical elements there are single-, double- and triple-bond covalent radii. This sequence lists single-bond covalent radii.

%C The values for chemical elements in each period (1 - 2, 3 - 10, 11 - 18, 19 - 36, 37 - 54, 55 - 86) are overall decreasing, but the trend is not so obvious as in A319904.

%H P. Pyykkö, M. Atsumi, <a href="https://doi.org/10.1002/chem.200800987">Molecular Single-Bond Covalent Radii for Elements 1-118</a>, Chemistry: A European Journal (2009) 15: 186-197.

%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Covalent_radius#Radii_for_multiple_bonds">Radii for multiple bonds</a>.

%e The single-bond covalent radii for hydrogen (1), helium (2) and lithium (3), etc. are 32 pm, 46 pm, 133 pm, etc.

%Y Cf. A081101, A319904 (atomic radius).

%K nonn,look

%O 1,1

%A _Jianing Song_, Oct 01 2018

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Last modified March 28 12:59 EDT 2024. Contains 371254 sequences. (Running on oeis4.)