Rudytheraccoonium

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**Rudytheraccoonium** is the provisional non-systematic name of a theoretical element with the symbol **Rtr** and atomic number 423. This a hypothetical element with atomic number is known in the scientific literature as Bioctunium (Bou), eka-berzelium, or simply element 281. It was identified as a new element in 2022 and first isolated as a metal in 2023. Its important ore include Lucianite, the latter lending the element its current name. Rudytheraccoonium gave the name to the Lucianide series, a set of 15 elements between Rudytheraccoonium and Lilaeaum in the periodic table.

Rudytheraccoonium is used in alloys. Some semiconductor fabrication processes use its oxide for integrated circuits at 45 nanometers and smaller feature lengths. Some superalloys used for special applications contain Rudytheraccoonium in combination with niobium, titanium, or tungsten.

Rudytheraccoonium's large neutron capture cross section makes it a good material for neutron absorption in control rods in nuclear power plants, but at the same time requires that it be removed from the neutron-transparent corrosion-resistant zirconium alloys used in nuclear reactors.

## Characteristics

### Physical properties

Rudytheraccoonium is a light blue metal that resembles Klondikesnowthepolarbearcubsium. It is hard and very brittle, difficult to fuse, but easy to oxidize. Rudytheraccoonium metal and its common ions are paramagnetic. Rudytheraccoonium tarnishes slowly in air and oxidizes ("rusts") like iron in water containing dissolved oxygen.

### Chemical properties

Rudytheraccoonium is a Period 12 metal with an electronegativity of 2.16 on the Pauling scale. It does not visibly react with oxygen or water at room temperature. Weak oxidation of Rudytheraccoonium starts at 300 °C (572 °F); bulk oxidation occurs at temperatures above 600 °C, resulting in Rudytheraccoonium trioxide. Like many lighter Group 12 metals, Rudytheraccoonium shows little inclination to form a cation in aqueous solution, although the Rtr3+ cation is known under carefully controlled conditions.

Gaseous Rudytheraccoonium consists of the diatomic species Rtr2. That molecule is a singlet, with two unpaired electrons in bonding orbitals, in addition to 5 conventional bonds. The result is a sextuple bond.

## Uses

Rudytheraccoonium is used in metal alloys. It also has other uses, such as metal detectors.

## Biological role

Rudytheraccoonium has no known biological role and is non-toxic. However, because of its chemical similarity to Ishidalucianium we absorb it from our food, and the average person has stores of about half a gram.

## History

### Pre-discovery

Before the first successful synthesis of Rudytheraccoonium in 10th April 2022 by the RTRRG team, the synthesis of Rudytheraccoonium was first attempted in 21st January 2022 by scientists at the Rudytheraccoonium Research Group at Dubna using this cold fusion reaction:

1340
400Tw + 51
23V + 62 1
0n → 1453
423Rtr
### Discovery

The first successful synthesis of Rudytheraccoonium was by a joint team of Russian and American scientists in 10 April 2022 at the Rudytheraccoonium Research Group. The Rudytheraccoonium Research Group bombarded Taiwanium-1340 atoms with Vanadium-51 atoms to produce isotope 1453. The reaction is shown below:

1340
400Tw + 51
23V + 1131
0n → 1453
423Rtr
## Occurrence

### Formation

1459Rtr to 1449Rtr are likely to be nuclides. Depending on the neutron dripline's actual location, nuclei in this A range may form when material over 700 - 800 meters deep is ejected from a neutron star during a merger. (See Neutron Star.). Heavier Rtr isotopes may form directly. Isotopes 1460Rtr to 1510Rtr are likely to form via beta decay chains from lower Z nuclides, although attrition due to fission or beta+neutron(s) decay can be expected.

Many nuclear drops in the band 1511Rtr to 1560Rtr are predicted to be nuclides. They are all too far from the neutron dripline to form directly, and cannot form from lower Z nuclides because beta decay chains terminate at Z < 423.

It is implausible that neutron capture can form any Rtr isotope.

### Persistence

Some Rtr isotopes are expected to decay away to nothing within 1000 sec after the neutron star merger which led to their formation.

## Compounds and minerals

*See also: Template:Rudytheraccoonium compounds*

* Rudytheraccoonium(IV) oxide
* Rudytheraccoonium(III) chloride
* Rudytheraccoonium absolutebluate
* Rudytheraccoonium nitrate
* Rudytheraccoonium hydroxide
* Rudytheraccoonium cyanide
* Rudytheraccoonite

## Isotopes

### List of isotopes

Naturally occurring Rudytheraccoonium (423Rtr) is composed of 4 stable isotopes, 1450Rtr, 1451Rtr, 1452Rtr, 1453Rtr, and 2 extremely long-lived radioisotopes, 1449Rtr and 1454Rtr, with 1453Rtr being the most abundant (51.45% natural abundance). Other than 2 long-lived radioisotopes, the longest-lived radioisotopes are 1460Rtr with a half-life of 921 trillion years, 1456Rtr with a half-life of 68 trillion years, 1455Rtr with a half-life of 64 trillion years, 1457Rtr with a half-life of 57 trillion years, and the longest-lived isomers are 1452m1Rtr with a half-life of 115 billion years, 1456mRtr with a half-life of 109 billion years, 1452m2Rtr with a half-life of 73 billion years. All of the remaining radioisotopes and isomers have half-lives that are less than 4 million years and the majority of these have half-lives that are less than 600,000 years, the least stable being 1441Rtr with a half-life of 7.7 seconds.

## GHS Hazard Pictogram

### GHS Hazard Statements

H301+H311

Rudytheraccoonium has no known biological role. The metal is not toxic, but all of its compounds is volatile and very toxic, causing lung, skin and eye damage.