C2H8N4O2

Oxalyldihydrazide · ODH, Oxalic acid dihydrazide

Oxalyldihydrazide is an organic compound frequently utilized as a sensitive analytical reagent for the detection and quantification of specific metal ions. It is widely recognized for its role in colorimetric testing and as a specialized chemical intermediate in various laboratory processes.

CHNO
Crystal structure of C2H8N4O2 (tetragonal, P-421m (No. 113))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for Oxalyldihydrazide, aggregated across 4 databases.

Band Gap

1.73–5.07 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

39
4 databases, 7 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for C2H8N4O2, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
P-421m (No. 113)tetragonal5.070.0000-6.2621.39
P-421m (No. 113)tetragonal4.810.0290-6.2331.10
P4/nmm (No. 129)tetragonal4.700.0497-6.2131.32
P41212 (No. 92)tetragonal4.290.0813-6.1811.32
P41212 (No. 92)tetragonal3.580.1340-6.1281.23
P-1 (No. 2)triclinic2.400.2806-6.4811.22
Fdd2 (No. 43)orthorhombic2.990.2828-6.4781.39
Pc (No. 7)monoclinic2.950.5582-6.6361.06
Fdd2 (No. 43)orthorhombic1.730.5943-6.1671.12
P-421m (No. 113)
1.19
P-421m (No. 113)
Uses

Applications

Where Oxalyldihydrazide is used.

Analytical chemistry reagentDetection of copper ionsChemical synthesis intermediateMetal ion complexation
Reference

Frequently Asked Questions

Common questions about Oxalyldihydrazide, answered from cross-validated data.

What is C2H8N4O2?

Oxalyldihydrazide is an organic compound frequently utilized as a sensitive analytical reagent for the detection and quantification of specific metal ions. It is widely recognized for its role in colorimetric testing and as a specialized chemical intermediate in various laboratory processes.

More questions
What is C2H8N4O2 used for?
Oxalyldihydrazide (C2H8N4O2) is used in analytical chemistry reagent, detection of copper ions, chemical synthesis intermediate, and metal ion complexation.
What is the band gap of C2H8N4O2?
Oxalyldihydrazide (C2H8N4O2) has a DFT-computed band gap of 1.73–5.07 eV across 39 reported structures.
Is C2H8N4O2 a metal, semiconductor, or insulator?
With a wide band gap up to 5.07 eV it is an insulator / wide-band-gap material.
Is C2H8N4O2 thermodynamically stable?
Yes — Oxalyldihydrazide (C2H8N4O2) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of C2H8N4O2?
The lowest-energy reported polymorph of Oxalyldihydrazide (C2H8N4O2) is tetragonal symmetry, space group P-421m (No. 113).
What is the density of C2H8N4O2?
The computed density of the ground-state structure of Oxalyldihydrazide (C2H8N4O2) is 1.39 g/cm³.
How many polymorphs of C2H8N4O2 are known?
39 structures of C2H8N4O2 are reported across 4 databases, spanning 7 distinct space groups.
What elements does C2H8N4O2 contain?
Oxalyldihydrazide (C2H8N4O2) contains C, H, N, and O (4 elements).
Where does the data for C2H8N4O2 come from?
C2H8N4O2 data is cross-referenced from materials_project, aflow, omat24.
Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
  • omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).

Analyze C2H8N4O2 in the Lattice Graph platform

Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.

Explore the Platform →