Nitrogen
An inorganic compound, N2, 28.014 g/mol. Boiling point -320.1 °F at 760 mmHg, melting point -354 °F, as published.
Identifiers
- Molecular formula
- N₂
- Molecular weight
- 28.014 g/mol
- Exact mass
- 28.006148 g/mol
- IUPAC name
- molecular nitrogen
- N#N
- InChI=1S/N2/c1-2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N
Measured properties
- Boiling Point
- -320.1 °F at 760 mmHg (USCG, 1999)
- -320.1 °F at 760 mmHg (USCG, 1999)
- Melting Point
- -354 °F (USCG, 1999)
- -354 °F (USCG, 1999)
- Density
- 0.807 at -319.9 °F (USCG, 1999) - Less dense than water; will float
- 0.807 at -319.9 °F (USCG, 1999) - Less dense than water; will float
- Solubility
- In water, 1.81X10+4 mg/L at 21 °C
- Insoluble in ethanol
- Vapor Pressure
- -236 °C at 1Pa (solid); -232 °C at 10Pa (solid); -226.8 °C at 100Pa (solid); -220.2 °C at 1kPa (solid); -211.1 °C at 10kPa (solid); -195.9 °C at 100kPa (N2)
- LogP
- log Kow = 0.67
- 0.67
- Viscosity
- 7.0 at 100 K; 12.0 at 200 K; 17.9 at 300 K; 22.2 at 400 K; 26.1 at 500 K; 29.6 at 600 K (all in uPa.s; N2)
- Refractive Index
- Index of refraction (one atmosphere, 0 °C, wavelength): 1.003012 at 0.4861 um; 1.002998 at 0.5461 um; 1.002990 at 0.5893 un; 1.002982 at 0.6563 um (N2)
- Refractive index, gas 101.325 kPa n(d) at 25 °C 1.0002732
Calculated properties
- Molecular weight
- 28.014 g/mol
- Exact mass
- 28.006148008 Da
- XLogP3
- 0.1
- Polar surface area
- 47.6 Ų
- Complexity
- 8
- H-bond donors
- 0
- H-bond acceptors
- 2
- logP
- 0.0302
- Topological polar surface area
- 47.58 Ų
- H-bond donors
- 0
- H-bond acceptors
- 2
- Rotatable bonds
- 0
- Molar refractivity
- 3.45 cm³/mol
- Fraction sp³ carbons
- 0
- QED drug-likeness
- 0.3516
What it is made of
Elements
Structure
- Heavy atoms, hydrogen excluded
- 2
- Total atoms, hydrogen included
- 2
- Rings
- 0
- Aromatic rings
- 0
- Stereocentres
- 0
- Formal charge
- 0
The molecule in three dimensions
The drawing above is a diagram of what is bonded to what. A molecule is not flat, and the model here is one low-energy shape generated from the connectivity — useful for seeing which groups can reach each other, and not a measured structure. A real sample is a population of conformations, interconverting.
Reactions it appears in
Other names for it
The systematic name on this record is molecular nitrogen.
The sources also call it Nitrogen gas, Molecular nitrogen, Dinitrogen, MOL Nitrogen, Nitrogeno, Nitrogen (n2), INS NO.941, DTXSID4036304, INS-941, E-941, N762921K75.
Structurally related
Seen alongside it in reaction records
Molecules that appear in the same recorded reactions as Nitrogen. This says nothing about structure: most of them are the bases, solvents, ligands and catalysts the chemistry needed, and they are here because somebody put them in the same flask.
Where these values came from
chemistry engine
What this page does not claim
Identifiers are copied from the source record, measured values are reported as published, and calculated values are marked as calculated. Nothing here is a hazard, purity or handling assessment — how the library is checked.
Where to next
More molecules under N
The rest of this shelf, a hundred names at a time.
Molar mass calculator
Work with N2 in a calculation, with every element's contribution shown.
Molarity calculator
Grams of Nitrogen for a volume and a concentration, or the concentration a mass gives.
Open in ReactionLens
The full record in the workstation: every atom, every bond, and the reactions it appears in.