Recognised as Musical note
D#6
- D#6
- 1,244.51 Hz
- MIDI 87
D#6 (enharmonically Eb6) is MIDI note 87, sounding at 1,244.508 Hz in equal temperament with A4 = 440 Hz. Its wavelength in air is 0.2756 m, and it sits in octave 6.
Pitch
Scientific pitch notationD#6
Enharmonic equivalentEb6the same pitch in equal temperament, spelled differently
MIDI note number87
Pitch classD# (3)
Octave6
As a sound wave
Wavelength in air0.2756 mat 343 m/s, dry air at 20 °C
Period0.8035 ms
Frequency one octave down622.254 Hz
AudibleYeshuman hearing runs roughly 20 Hz to 20 kHz and narrows with age
Intervals from here
Octave belowD#5 · 622.25 Hz
Perfect fifth belowG#5 · 830.61 Hz
Semitone belowD6 · 1,174.66 Hz
Semitone aboveE6 · 1,318.51 Hz
Major third aboveG6 · 1,567.98 Hz
Perfect fifth aboveA#6 · 1,864.66 Hz
Octave aboveD#7 · 2,489.02 Hz
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Also reads as
NOTeDsHArP6 (chemical formula)
- Formula
- 665.408 g/mol
- 12 atoms
NOTeDsHArP6 has a molar mass of 665.408 g/mol, made up of 12 atoms across 7 elements: 1 × N, 1 × O, 1 × Te, 1 × Ds, 1 × H, 1 × Ar, 6 × P.
Molar mass
Molar mass665.408 g/mol
Total atoms per molecule12
Distinct elements7
Mass of one molecule1.104936 × 10^-21 g
Molecules per gram9.0502981 × 10^20
Name
NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show
Composition by mass
N2.1%
O2.4%
Te19.2%
Ds42.2%
H0.2%
Ar6%
P27.9%
Nitrogen (N)14.007 g/mol, 2.105%
Oxygen (O)15.999 g/mol, 2.404%
Tellurium (Te)127.6 g/mol, 19.176%
Darmstadtium (Ds)281 g/mol, 42.23%
Hydrogen (H)1.008 g/mol, 0.151%
Argon (Ar)39.95 g/mol, 6.004%
Phosphorus (P × 6)185.844 g/mol, 27.929%
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