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  <xs:element id="hcmau_ClassAOrdinarySharesParValue00001PerShareMember" name="ClassAOrdinarySharesParValue00001PerShareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="hcmau_IncreaseDecreaseInPrepaidInsurances" name="IncreaseDecreaseInPrepaidInsurances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="hcmau_PaymentOfExpensesThroughPromissoryNoteRelatedParty" name="PaymentOfExpensesThroughPromissoryNoteRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="hcmau_NonCashOrPartNonCashDeferredOfferingCostsIncludedInAccruedOfferingCosts" name="NonCashOrPartNonCashDeferredOfferingCostsIncludedInAccruedOfferingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="hcmau_NonCashOrPartNonCashDeferredOfferingCostsPaidThroughPromissoryNoteRelatedParty" name="NonCashOrPartNonCashDeferredOfferingCostsPaidThroughPromissoryNoteRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="hcmau_EmergingGrowthCompanyStatusPolicyTextBlock" name="EmergingGrowthCompanyStatusPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_OfferingCostsPolicyTextBlock" name="OfferingCostsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_WarrantInstrumentsPolicyTextBlock" name="WarrantInstrumentsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_ObligationMaturityTerm" name="ObligationMaturityTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_PercentageOfFairMarketValueOfNetBalanceInTrustAccount" name="PercentageOfFairMarketValueOfNetBalanceInTrustAccount" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_PercentageOfOutstandingVoting" name="PercentageOfOutstandingVoting" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_PercentageOfSharesRedemptionObligation" name="PercentageOfSharesRedemptionObligation" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_TransactionCosts" name="TransactionCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="hcmau_WorkingCapital" name="WorkingCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="hcmau_WorkingCapitalLoansWereOutstanding" name="WorkingCapitalLoansWereOutstanding" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="hcmau_YearOfInception" name="YearOfInception" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_InterestToPayDissolutionExpenses" name="InterestToPayDissolutionExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="hcmau_HCMIIIAcquisitionCorpMember" name="HCMIIIAcquisitionCorpMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="hcmau_DescriptionOfOrganizationBusinessOperationsLiquidityAndCapitalResourcesTable" name="DescriptionOfOrganizationBusinessOperationsLiquidityAndCapitalResourcesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="hcmau_AggregateAmount" name="AggregateAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="hcmau_ClassOfWarrantOrRightRedemptionPriceOfWarrantsOrRights" name="ClassOfWarrantOrRightRedemptionPriceOfWarrantsOrRights" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_NumberOfTradingDayForWeightedAveragePriceOfOrdinaryShares" name="NumberOfTradingDayForWeightedAveragePriceOfOrdinaryShares" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_SponsorAndCantorFitgeraldCoMember" name="SponsorAndCantorFitgeraldCoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="hcmau_WarrantOutstandingPeriodForWarrantsBecomeExercisableAfterIssuance" name="WarrantOutstandingPeriodForWarrantsBecomeExercisableAfterIssuance" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_PublicWarrantsMember" name="PublicWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="hcmau_AdvisorIBCMember" name="AdvisorIBCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="hcmau_DisclosureOfInitialPublicOfferingTextBlock" name="DisclosureOfInitialPublicOfferingTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_PrivatePlacementTextBlock" name="PrivatePlacementTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRight" name="ClassOfWarrantOrRightExercisePriceOfWarrantsOrRight" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_TradingDayPeriod" name="TradingDayPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_TradingPeriodOfCommencing" name="TradingPeriodOfCommencing" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_PercentageOfGrossProceedsUnitsOffered" name="PercentageOfGrossProceedsUnitsOffered" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xs:element id="hcmau_WorkingCapitalLoans" name="WorkingCapitalLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_ZenithMember" name="ZenithMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="hcmau_PercentageOfConsultingAndAdvisoryServicesFromIPO" name="PercentageOfConsultingAndAdvisoryServicesFromIPO" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_NumberOfSharesNoLongerSubjectToForForfeiture" name="NumberOfSharesNoLongerSubjectToForForfeiture" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_PercentageOfCommonStockIssuedAndOutstanding" name="PercentageOfCommonStockIssuedAndOutstanding" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_AffirmativeVoteOfAtLeastPercentage" name="AffirmativeVoteOfAtLeastPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_UnderwritersOptions" name="UnderwritersOptions" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_UnderwritersMember" name="UnderwritersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="hcmau_FounderSharesOneMember" name="FounderSharesOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="hcmau_NumberOfSharesHoldBySponsor" name="NumberOfSharesHoldBySponsor" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_CommitmentsAndContingenciesDetailsTable" name="CommitmentsAndContingenciesDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="hcmau_AggregateOverAllomentOption" name="AggregateOverAllomentOption" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="hcmau_DeferredUnderwritingDiscountRate" name="DeferredUnderwritingDiscountRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_CashUnderwritingDiscount" name="CashUnderwritingDiscount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="hcmau_AdditionalUnits" name="AdditionalUnits" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="hcmau_FounderShareMember" name="FounderShareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="hcmau_InterestEarnedOnMarketableSecuritiesHeldInBankAccount" name="InterestEarnedOnMarketableSecuritiesHeldInBankAccount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="hcmau_NoncashOrPartNonCashDeferredOfferingCostsPaidBySponsorInExchangeForIssuanceOfClassBOrdinaryShares" name="NoncashOrPartNonCashDeferredOfferingCostsPaidBySponsorInExchangeForIssuanceOfClassBOrdinaryShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="hcmau_PrepaidInsurances" name="PrepaidInsurances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="hcmau_DeferredUnderwritingFeePayableNoncurrent" name="DeferredUnderwritingFeePayableNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="hcmau_AccruedOfferingCosts" name="AccruedOfferingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
</xs:schema>
