Available Make an offer
Domain for saleQuantum computing for drug discovery · the field, as a .com

the smallest moleculeH2 · minimal basis · computed live on this page

Three words the field uses. One address that says them.

In 1982 Feynman proposed simulating quantum physics on a quantum computer. Molecules are quantum physics, and drug discovery runs on molecules. QuantumDrugDiscovery.com is the plain-English name of that meeting point as one .com: three words, 20 characters, nothing to explain.

Wikipedia: Quantum simulator

Make an offer or email [email protected]
  • Escrow-protected
  • Reply within 24h
  • Offer-based price
Extension
.comThe global default
Length
20 charactersThree words, run together
Words
ThreeQuantum · Drug · Discovery
Hyphens / numbers
NoneNothing to spell out
Name type
The field, namedThe words the literature uses
Status
AvailableOpen to offers

01The problem

Where the classical methods
run out.

Whether a candidate molecule binds its target is decided by its electrons. Their energy can be computed exactly, in principle: full configuration interaction is exact within the space spanned by its basis set. The catch is the count. The number of determinants in that expansion grows factorially with the number of electrons and orbitals. Wikipedia: Full configuration interaction

So chemistry runs on approximations. The workhorse, Hartree–Fock, replaces the many-electron wavefunction with a single Slater determinant, a mean field, and neglects the Coulomb correlation between electrons; that neglect can lead to large deviations from experiment. Wikipedia: Hartree–Fock method Everything more accurate than it is a fight with the same exponential, and the target is small: chemical accuracy is 1 kcal/mol, about 1.6 mHa. Wikipedia: Computational chemistry

That is the opening a quantum computer is built for. In 2005 Aspuru-Guzik and colleagues showed that the calculation time for molecular energies, exponential on a classical computer, becomes polynomial with quantum algorithms, and that the number of qubits needed scales linearly with the number of basis functions. Aspuru-Guzik et al., Science 2005 Two families of algorithm followed: phase estimation, which reads an eigenvalue off a unitary operator Wikipedia: Quantum phase estimation, and the variational quantum eigensolver, which trades one long, uninterrupted quantum evolution for a short circuit and a classical optimiser. Peruzzo et al., Nat. Commun. 2014

The canvas above is the smallest honest version of that story: one molecule, one parameter, the exact answer in its basis, and the gap the mean field cannot close.

  1. 01Exact within the basis

    Full configuration interaction is exact in the space its basis set spans. Nothing in the method is approximate; only the basis is.

    Wikipedia: Full configuration interaction

  2. 02Factorial growth

    The number of determinants grows factorially with the number of electrons and orbitals. That is the wall.

    Wikipedia: Full configuration interaction

  3. 03Mean field

    Hartree–Fock keeps one Slater determinant and lets each electron see the others only on average.

    Wikipedia: Hartree–Fock method

  4. 041.6 mHa

    Chemical accuracy: 1 kcal/mol, the error at which a predicted rate is off by an order of magnitude.

    O’Malley et al., Phys. Rev. X 2016
Fig. 01What the canvas computesH2 · STO-3G · ζ = 1.24

Two curves, one parameter

|ψ(θ)⟩ = cos θ |σg2⟩ − sin θ |σu2⟩the one-parameter ansatz; θ = 0 is the Hartree–Fock state
H = g01 + g1Z0 + g2Z1 + g3Z0Z1 + g4Y0Y1 + g5X0X1the two-qubit Hamiltonian of the 2016 experiment; every g is a function of R
  1. For the bond length under your pointer the page computes the STO-3G integrals of H2, then the Hartree–Fock energy and the exact energy of that basis. The published reference values at R = 1.4 bohr are reproduced to better than 10−6 hartree. McCullagh Lab: Hartree-Fock for H₂, STO-3G
  2. The cloud is |ψ|2 of the state, sampled by random walkers that follow the density as the bond stretches; the dashed lines are contours of the same density.
  3. In a minimal basis the singlet ground state mixes only two configurations, so the minimum over θ is the exact answer of the basis. That is why one parameter sufficed on two superconducting qubits in 2016. O’Malley et al., Phys. Rev. X 2016
  4. A click resets θ to zero, the Hartree–Fock state, and runs the search: measure the energy, take a gradient step, repeat. That loop, quantum estimate and classical optimiser, is the variational quantum eigensolver. Wikipedia: Variational quantum eigensolver

“Exact” means exact within this basis, not the measured energy of H2; the real equilibrium bond length is 0.74144 Å. NIST Chemistry WebBook: H₂ constants A two-configuration problem is trivial for a laptop. The point is the scaling, not the size.

AlgorithmPhase estimation
Estimates the phase of an eigenvalue of a unitary operator; the canonical route to a molecular energy, and the one that needs the qubits to hold together through a long evolution.
Wikipedia: Quantum phase estimation
AlgorithmVariational eigensolver
A short quantum circuit prepares a trial state, the processor estimates its energy, a classical optimiser improves the guess. Runs on noisy hardware.
Wikipedia: Variational quantum eigensolver
The eraNISQ
Noisy intermediate-scale quantum: machines of 50 to 100 qubits whose gate noise limits the circuits they can run reliably.
Preskill, Quantum 2018
The mappingElectrons to qubits
Jordan–Wigner and Bravyi–Kitaev transformations turn the electronic Hamiltonian into a sum of Pauli strings a qubit register can carry.
Wikipedia: Jordan–Wigner transformation

02Milestones

Forty-four years,
on the record.

Ten entries from the proposal to the latest error-corrected run, each in its source’s own words. Organisations appear only as the papers name them; none has any connection with this page or this domain.

  1. 1982Proposal

    A quantum computer for quantum physics

    A universal quantum simulator is proposed: by Manin in 1980 and by Feynman in 1982, in “Simulating Physics with Computers”.

    Wikipedia
  2. 2005Simulator

    The scaling argument, with molecules

    The calculation time for the energy of atoms and molecules scales exponentially with system size on a classical computer but polynomially using quantum algorithms. Water and lithium hydride are run on a quantum-computer simulator; the number of qubits scales linearly with the number of basis functions.

    Science 2005
  3. 2014Photonic processor

    The variational eigenvalue solver

    An alternative to phase estimation, a new approach to state preparation based on ansätze and classical optimization, is run by combining a small-scale photonic quantum processor with a conventional computer, and computes the ground-state energy of He-H⁺ to within chemical accuracy.

    Nat. Commun. 2014
  4. 2016Two superconducting qubits

    Molecular hydrogen, the same model as the canvas above

    The first electronic structure calculation performed on a quantum computer without exponentially costly precompilation: the energy surface of H₂ on two Xmon transmon qubits, by a variational eigensolver within chemical accuracy and by Trotterisation with phase estimation.

    Phys. Rev. X 2016
  5. 2017Up to six qubits

    Beyond hydrogen

    Up to six-qubit Hamiltonian problems with over a hundred Pauli terms, determining the ground state energy for molecules of increasing size, up to BeH₂, with a hardware-efficient variational eigensolver.

    Nature 2017
  6. 2020Twelve qubits

    Hartree–Fock on hardware

    Quantum simulations of chemistry the largest of which involved a dozen qubits, 78 two-qubit gates, and 114 one-qubit gates: the binding energy of H₆, H₈, H₁₀ and H₁₂ chains and the isomerisation of diazene.

    Science 2020
  7. 2023Assessment

    Is there evidence for exponential advantage?

    Eighteen authors gather the evidence for ground-state energy estimation and conclude that evidence for such an exponential advantage across chemical space has yet to be found.

    Nat. Commun. 2023
  8. 202577 qubits

    Beyond exact diagonalisation

    Using a Heron superconducting processor and the supercomputer Fugaku, we simulate the ground-state dissociation of N₂ and the [2Fe-2S] and [4Fe-4S] clusters, with circuits up to 77 qubits and 10,570 gates.

    Sci. Adv. 2025
  9. 2026Error-corrected

    Molecular hydrogen again, on logical qubits

    The first demonstration of an end-to-end pipeline with quantum error correction for a quantum computation of the electronic structure of molecular systems: the ground-state energy of H₂ by phase estimation on qubits encoded in the [[7,1,3]] colour code, within 0.001(13) hartree of the exact answer in the basis.

    PRX Quantum 2026
  10. 2026Feasibility study

    The hurdles, stated plainly

    The variational eigensolver is extremely sensitive to hardware errors and to noise; phase estimation faces an exponentially reduced QPE success probability as molecules grow; ground state estimation in chemistry may not be the most appropriate target for quantum computers.

    Phys. Rev. B 2026
The honest state
Not yet.

No one has shown a quantum advantage for a molecular ground state. The name is for the people working on that.

  • Evidence for such an exponential advantage across chemical space has yet to be found.Lee et al., 2023
  • Near-term applications in drug discovery remain research-stage, with no demonstrated practical advantage for drug-sized molecules.Frontiers in Drug Discovery, 2026
  • A fully quantum calculation of a roughly 50-orbital active space of a covalent protein–drug complex requires an error-corrected machine; better algorithms cut its estimated runtime from over 1,000 years to a few days.Blunt et al., 2022
  • Quantum computers promise to impact industrial applications, for which quantum chemical calculations are required, by virtue of their high accuracy.Santagati et al., 2024

A sale page that oversold this field would be talking to the wrong buyer. The technical reader will check; every source is one click away and opens in a new tab.

03Why this name

The field’s own words, as an address.

Most names in this space are coined and then explained. This one is the vocabulary the literature already uses, run together.

  1. i

    It is what the papers call it

    Reviews and perspectives on the subject are titled with these words. The name adds nothing to them and invents nothing.

    • Quantum computing in drug discovery · Frontiers in Drug Discovery, 2026 source
    • Drug design on quantum computers · Nature Physics, 2024 source
    • A perspective on the current state-of-the-art of quantum computing for drug discovery applications · J. Chem. Theory Comput., 2022 source
    • Quantum-machine-assisted drug discovery · npj Drug Discovery, 2026 source
  2. ii

    It names the meeting point, not one side of it

    A hardware company, a pharmaceutical research group, a contract research organisation, a conference and a fund can all stand behind the same three words. The name does not pick a side, so it does not have to be replaced when the business moves, for example quantumdrugdiscovery.com/platform.

  3. iii

    Clean to say, clean to type

    Three plain English words, 20 characters, no hyphens and no numbers. It survives a phone call, a slide and a conference badge without being spelled out.

  4. iv

    It outlives the hardware

    The field has already moved from the noisy intermediate-scale era to the first error-corrected molecular calculation. The machines change; the three words that describe the work do not.

    Preskill, 2018   Yamamoto et al., 2026

04Who it is for

Six kinds of buyer,
one address.

Example paths show how the name could be put to work. They are illustrations, not existing pages, and no organisation is named or implied.

01Buyer

Quantum-computing companies

A flagship home for a life-sciences vertical: the hardware or software, the chemistry applications and the partnership programme.

quantumdrugdiscovery.com/platform
02Buyer

Pharma and biotech research groups

A computational-chemistry or quantum programme with its own front door, for recruiting the people who will run it.

quantumdrugdiscovery.com/research
03Buyer

Contract research organisations

Computational chemistry offered as a service, from active-space calculations to benchmarking, under the name of the field.

quantumdrugdiscovery.com/services
04Buyer

Conferences and summits

A programme, a speaker list and tickets at the address attendees will guess before they are told it.

quantumdrugdiscovery.com/summit
05Buyer

Funds and accelerators

A thesis, a portfolio and an application form for the intersection of quantum computing and life sciences.

quantumdrugdiscovery.com/portfolio
06Buyer

Publications, courses and consortia

A journal, a newsletter, a course or a research network that becomes the reference point for the subject.

quantumdrugdiscovery.com/journal

05How it works

Ask, agree, transfer.

Step 01

Ask

Look the name over, ask anything you like, and send an offer by the form or by email. Every enquiry is read and answered personally within 24 hours.

Step 02

Agree

The price is offer-based. We settle the figure and the terms in writing, directly, with a clear summary before anything moves.

Step 03

Transfer

Payment goes through an escrow service. Funds are released only after the domain is in your registrar account and under your control.

Escrow-protectedYour payment is held by an escrow service until the transfer is complete.

Reply within 24 hoursEvery enquiry is answered personally by the owner.

Offer-based priceThere is no fixed price. Serious offers are considered on their merits.

06Acquire

Make an offer for QuantumDrugDiscovery.com

Tell me who you are and what you would build on the name. A figure helps, but a question is welcome too.

  • Email[email protected]
  • ReplyPersonal reply within 24 hours
  • TransferEscrow-protected, to the registrar of your choice
  • PriceOffer-based; no fixed price
  • PrivacyYour details go only to the owner and are never published or shared
  • SellerJ Radler / Radler Boutique

Acquisition enquiry

Name and email are all that is required.

Your message reaches one inbox and is used only to reply to you.

07Questions

Asked before an offer.

What does the name mean?

Quantum drug discovery is the use of quantum computers for the chemistry inside drug design: the electronic structure of molecules, which classical methods can only approximate. The three words are the ones used in the titles of the field’s reviews and perspectives. QuantumDrugDiscovery.com is those words as one .com: 20 characters, no hyphens, no numbers. It is a plain description, not an official or protected term.

What is the canvas at the top actually computing?

Molecular hydrogen in a minimal basis (STO-3G), the smallest problem in quantum chemistry. For the bond length under your pointer the page computes the electron integrals, the Hartree–Fock energy and the exact energy of that basis, and samples the electron density. A click runs the one-parameter ground-state search that the 2016 two-qubit experiment ran on hardware. It is an illustrative model running on your device; it is not a quantum computer, and “exact” means exact within the basis, not the measured energy of H2.

Is this page connected to any of the organisations in the sources?

No. This is an independent domain sale page. It has no affiliation with any university, company, laboratory, journal or funder named in the sources, and none of them endorses it. Owning the domain confers no rights in any trademark and implies nothing about whether the technology works; the section headed “The honest state” says where the field stands. This is a domain sale page. It does not provide medical advice or services.

How does the transfer work?

Once a price is agreed, payment is placed with an escrow service. The domain is then moved to your registrar account, or pushed to you at the current registrar, and the funds are released only when you confirm that you hold it. It usually takes a few days.

What happens to the details I send?

The form delivers your message to one inbox, the owner’s. Your details go only to the owner and are never published or shared; they are used only to reply to you about this domain. You can also write directly to [email protected].