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Isotopologue

 

 
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Isotopologue
 
 
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Isotopologues are molecules that differ only in their isotopic
Isotope

Isotopes are any of the different types of atoms of the same chemical element, each having a different atomic mass . Isotopes of an element have atomic nucleus with the same number of protons but different numbers of neutron....
 composition. Simply, the isotopologue of a chemical species has at least one atom with a different number of neutron
Neutron

The neutron is a subatomic particle with no net electric charge and a mass slightly larger than that of a proton.Neutrons are usually found in atomic nucleus....
s to the parent.

An example is water
Water

Water is a common chemical substance that is essential for the survival of all known forms of life. In typical usage, water refers only to its liquid form or States of matter, but the substance also has a solid state, ice, and a gaseous state, water vapor or steam....
, where some of its hydrogen
Hydrogen

Hydrogen is the chemical element with atomic number 1. It is represented by the chemical symbol H. At standard temperature and pressure, hydrogen is a colorless, odorless, nonmetallic, tasteless, highly combustion and explosive Diatomic molecule gas with the molecular formula H2....
-related isotopologues are: "light water" (HOH or H2O), "semi-heavy water" with the deuterium
Deuterium

Deuterium, also called heavy hydrogen, is a stable isotope of hydrogen with a natural abundance in the oceans of Earth of approximately one atom in 6500 of hydrogen ....
 isotope in equal proportion to protium (HDO or 1H2HO), "heavy water
Heavy water

Heavy water is water that contains a higher proportion than normal of the isotope deuterium, as deuterium oxide, D2O or ?H2O, or as deuterium protium oxide, HDO or ?H?HO....
" with two deuterium isotopes of hydrogen per molecule (D2O or 2H2O), and "super-heavy water" or tritiated water
Tritiated water

Tritiated water is a form of Water where the usual hydrogen atoms are replaced with tritium. In its pure form it may be called tritium oxide or super-heavy water....
 (T2O or 3H2O), where the hydrogen atoms are replaced with tritium
Tritium

Tritium is a radioactive isotope of hydrogen. The atomic nucleus of tritium contains one proton and two neutrons, whereas the nucleus of Hydrogen atom contains one proton and no neutrons....
 isotopes.






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Isotopologues are molecules that differ only in their isotopic
Isotope

Isotopes are any of the different types of atoms of the same chemical element, each having a different atomic mass . Isotopes of an element have atomic nucleus with the same number of protons but different numbers of neutron....
 composition. Simply, the isotopologue of a chemical species has at least one atom with a different number of neutron
Neutron

The neutron is a subatomic particle with no net electric charge and a mass slightly larger than that of a proton.Neutrons are usually found in atomic nucleus....
s to the parent.

An example is water
Water

Water is a common chemical substance that is essential for the survival of all known forms of life. In typical usage, water refers only to its liquid form or States of matter, but the substance also has a solid state, ice, and a gaseous state, water vapor or steam....
, where some of its hydrogen
Hydrogen

Hydrogen is the chemical element with atomic number 1. It is represented by the chemical symbol H. At standard temperature and pressure, hydrogen is a colorless, odorless, nonmetallic, tasteless, highly combustion and explosive Diatomic molecule gas with the molecular formula H2....
-related isotopologues are: "light water" (HOH or H2O), "semi-heavy water" with the deuterium
Deuterium

Deuterium, also called heavy hydrogen, is a stable isotope of hydrogen with a natural abundance in the oceans of Earth of approximately one atom in 6500 of hydrogen ....
 isotope in equal proportion to protium (HDO or 1H2HO), "heavy water
Heavy water

Heavy water is water that contains a higher proportion than normal of the isotope deuterium, as deuterium oxide, D2O or ?H2O, or as deuterium protium oxide, HDO or ?H?HO....
" with two deuterium isotopes of hydrogen per molecule (D2O or 2H2O), and "super-heavy water" or tritiated water
Tritiated water

Tritiated water is a form of Water where the usual hydrogen atoms are replaced with tritium. In its pure form it may be called tritium oxide or super-heavy water....
 (T2O or 3H2O), where the hydrogen atoms are replaced with tritium
Tritium

Tritium is a radioactive isotope of hydrogen. The atomic nucleus of tritium contains one proton and two neutrons, whereas the nucleus of Hydrogen atom contains one proton and no neutrons....
 isotopes. Oxygen
Oxygen

Oxygen no O2 produced; 2) O2 produced, but absorbed in oceans & seabed rock; 3) O2 starts to gas out of the oceans, but is absorbed by land surfaces and formation of ozone layer; 4-5) O2 sinks filled and the gas accumulates]]...
-related isotopologues of water include the commonly available form of heavy-oxygen water (H218O) and the more difficult to separate version with the 17O isotope. Both elements may be replaced by isotopes, for example in the doubly-labeled water
Doubly-labeled water

Doubly-labeled water is water in which both the hydrogen and the oxygen has been partly or completely replaced for tracking purposes with an uncommon isotope of these Chemical element....
 isotopologue D218O.

See also

  • Mass (mass spectrometry)
    Mass (mass spectrometry)

    The mass recorded by a mass spectrometer can refer to different physical quantities depending on the characteristics of the instrument and the manner in which the mass spectrum is displayed....