Germanium Nanowires

• CAS: 7440-56-4
• Catalog Number: ACM7440564-5
• Category: Nanowires
• Molecular Weight: 72.61
• Molecular Formula: Ge
• Description: PelletsLargeCrystals, WetSolid, OtherSolid
• IUPAC Name: germanium
• Canonical SMILES: [Ge]
• InChI: InChI=1S/Ge
• InChI Key: GNPVGFCGXDBREM-UHFFFAOYSA-N
• Boiling Point: 2830°C
• Melting Point: 937.4°C
• Density: 5.323 g/cm³
• Solubility: INSOL IN WATER, HYDROCHLORIC ACID, DIL ALKALI HYDROXIDES;SOL IN HOT SULFURIC ACID, AQUA REGIA; INSOL IN ALKALI
• Appearance: Powder
• Color/Form: GRAYISH-WHITE, LUSTROUS, BRITTLE METALLOID; DIAMOND-CUBIC STRUCTURE WHEN CRYSTALLINE
• Complexity: 0
• Covalently-Bonded Unit Count: 1
• EC Number: 231-164-3
• Electrical Resistivity: microhm-cm @ 20°C
• Electronegativity: 1.8 Paulings
• Exact Mass: 73.921178g/mol
• Formal Charge: 0
• Hazard Codes: H228
• H-Bond Acceptor: 0
• H-Bond Donor: 0
• Heat of Fusion: 8.3 Cal/gm mole
• Heat of Vaporization: 68 K-cal/gm atom at 2830°C
• Heavy Atom Count: 1
• MDL Number: MFCD00085310
• Monoisotopic Mass: 73.921178g/mol
• Other Experimental: THERMAL EXPANSION COEFFICIENT AT APPROX 25 °C: 6.1X10-6 °C; THERMAL CONDUCTIVITY @ 25 °C: 0.14 CAL/SEC CM/DEG C; SPECIFIC HEAT (0-100 °C): 0.074 CAL/G/DEG C;LATTICE CONSTANT @ 25 DEG: 5.657X10-8 CM; VOL COMPRESSIBILITY: 1.3X10-12 SQ CM/DYN; DIELECTRIC CONSTANT: 16; MAGNETIC (MASS) SUSCEPTIBILITY (CHI X10+6)= -0.12;COVALENT BOND IONIZATION ENERGY @ 0 DEG K= 1.2 ELECTRON VOLT; BAND GAP: 0.67 ELECTRON VOLT; ATOMS/CC= 4.42X10+22; IMPURITY ATOM IONIZATION ENERGY: APPROX 0.01 ELECTRON VOLT; INTRINSIC RESISTIVITY @ 300 DEG K= 47 OHM-CM;ELECTRON MOBILITY @ 300 DEG K: 3900 SQ CM/V SEC; HOLE MOBILITY @ 300 DEG K= 1900 CM/V SEC; HOLE DIFFUSION CONSTANT @ 300 DEG K= 49;INTRINSIC CHARGE DENSITY @ 300 DEG K= 2.4X10+13; ELECTRON DIFFUSION CONSTANT @ 300 DEG K= 100;IS HIGHLY TRANSPARENT TO INFRARED LIGHT; HAS A HIGH INDEX OF REFRACTION;THE METAL & MANY OF ITS ALLOYS EXPAND ON SOLIDIFICATION;FIVE NATURALLY OCCURRING ISOTOPES: 70 (20.55%); 72 (27.37%); 73 (7.67%); 74 (36.74%); 76 (7.67%); ATOMIC NUMBER 32;POOR CONDUCTOR OF ELECTRICITY; VOL SMALLER BY FEW % WHEN MOLTEN; ATTACKED BY AQUA REGIA, CONCN NITRIC OR SULFURIC ACIDS, FUSED ALKALIES, ALKALI PEROXIDES, NITRATES, OR CARBONATES;HARDNESS 6 ON MOHS SCALE;Liquid molar volume = 0.013001 cu m/kmol determined at the triple point.;IG heat of formation = 3.766X10+8 J/kmol (ideal gas); for the crystal the enthalpy of formation is 0 at 298.15 K.;Heat of fusion at melting point = 3.18X10+7 J/kmol.
• Precautionary Statements: P210
• Ratio: 0.26
• Rotatable Bond Count: 0
• RTECS Number: LY5200000
• Signal Word: Danger
• Specific Heat: 0.077 Cal/g/K @ 25°C
• Stability: RELATIVELY STABLE, UNAFFECTED BY AIR, BECOMES OXIDIZED ABOVE 600 °C
• Thermal Conductivity: 0.602 W/cm/K @ 302.93 K
• Thermal Expansion: 6.0 µm/(m·K)
• UNII: 619P6J82AE;00072J7XWS
• UN Number: UN 3089 4.1 / PGII
• Vapor Pressure: 0 mm Hg @ 25 °C
• Young's Modulus: 103 GPa

Custom Q&A

What is the molecular formula of Germanium Nanowires?

The molecular formula of Germanium Nanowires is Ge.

When was Germanium Nanowires created and last modified?

Germanium Nanowires was created on September 16, 2004, and last modified on November 25, 2023.

What is the molecular weight of Germanium Nanowires?

The molecular weight of Germanium Nanowires is 72.63 g/mol.

What is the IUPAC name of Germanium Nanowires?

The IUPAC name of Germanium Nanowires is germanium.

What is the InChI of Germanium Nanowires?

The InChI of Germanium Nanowires is InChI=1S/Ge.

How many hydrogen bond donor counts does Germanium Nanowires have?

Germanium Nanowires has 0 hydrogen bond donor counts.

What is the exact mass of Germanium Nanowires?

The exact mass of Germanium Nanowires is 73.9211778 g/mol.

How many topological polar surface area does Germanium Nanowires have?

Germanium Nanowires has a topological polar surface area of 0Ų.

How many heavy atom count does Germanium Nanowires have?

Germanium Nanowires has a heavy atom count of 1.

What is the complexity value of Germanium Nanowires?

The complexity value of Germanium Nanowires is 0.