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  <element id="cciv_ProceedsFromCashWithdrawnFromTrustAccount" xbrli:periodType="duration" xbrli:balance="debit" name="ProceedsFromCashWithdrawnFromTrustAccount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_InterestEarnedOnTrustAccountWithdrawn" xbrli:periodType="duration" xbrli:balance="debit" name="InterestEarnedOnTrustAccountWithdrawn" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_TemporaryEquityWeightedAverageNumberOfSharesOutstandingBasicAndDiluted" xbrli:periodType="duration" name="TemporaryEquityWeightedAverageNumberOfSharesOutstandingBasicAndDiluted" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" />
  <element id="cciv_TemporaryEquityEarningsPerShareBasicAndDiluted" xbrli:periodType="duration" name="TemporaryEquityEarningsPerShareBasicAndDiluted" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" />
  <element id="cciv_NumberOfSubsidiaries" xbrli:periodType="duration" name="NumberOfSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" />
  <element id="cciv_MergerAgreementWithMergerSubAndAtievaMember" xbrli:periodType="duration" abstract="true" name="MergerAgreementWithMergerSubAndAtievaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" />
  <element id="cciv_ConvertiblePromissoryNoteWithRelatedPartyMember" xbrli:periodType="duration" abstract="true" name="ConvertiblePromissoryNoteWithRelatedPartyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" />
  <element id="cciv_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableNumberOfBusinessDaysConsideredForDeterminationOfEquityValue" xbrli:periodType="duration" name="BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableNumberOfBusinessDaysConsideredForDeterminationOfEquityValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" />
  <element id="cciv_FeePayableToServiceProviderUponConsummationOfBusinessCombination" xbrli:periodType="instant" xbrli:balance="credit" name="FeePayableToServiceProviderUponConsummationOfBusinessCombination" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_FeePayableToServiceProviderUponConsummationOfFinancing" xbrli:periodType="instant" xbrli:balance="credit" name="FeePayableToServiceProviderUponConsummationOfFinancing" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_ThresholdMaximumAmountOfOutOfPocketExpenses" xbrli:periodType="instant" xbrli:balance="credit" name="ThresholdMaximumAmountOfOutOfPocketExpenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_MaximumBorrowingCapacityOfRelatedPartyPromissoryNote" xbrli:periodType="instant" xbrli:balance="credit" name="MaximumBorrowingCapacityOfRelatedPartyPromissoryNote" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_MaximumLoansConvertibleIntoWarrants" xbrli:periodType="instant" xbrli:balance="credit" name="MaximumLoansConvertibleIntoWarrants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_WarrantsPricePerUnit" xbrli:periodType="instant" name="WarrantsPricePerUnit" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" />
  <element id="cciv_DeferredTaxAssetsStartupAndOrganizationalExpenses" xbrli:periodType="instant" xbrli:balance="debit" name="DeferredTaxAssetsStartupAndOrganizationalExpenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_TemporaryEquityEarningsPerShareBasicAndDilutedCalculationAbstract" xbrli:periodType="duration" abstract="true" name="TemporaryEquityEarningsPerShareBasicAndDilutedCalculationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" />
  <element id="cciv_NumeratorForCalculationOfEarningsPerShareAbstract" xbrli:periodType="duration" abstract="true" name="NumeratorForCalculationOfEarningsPerShareAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" />
  <element id="cciv_TemporaryEquityAttributableInterestIncome" xbrli:periodType="duration" xbrli:balance="credit" name="TemporaryEquityAttributableInterestIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_TemporaryEquityAttributableUnrealizedGainLossOnInvestmentsHeldInTrustAccount" xbrli:periodType="duration" xbrli:balance="credit" name="TemporaryEquityAttributableUnrealizedGainLossOnInvestmentsHeldInTrustAccount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_AdjustmentsForCompanySPortionAvailableToBeWithdrawnToPayTaxes" xbrli:periodType="duration" xbrli:balance="debit" name="AdjustmentsForCompanySPortionAvailableToBeWithdrawnToPayTaxes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_AdjustmentsForCompanySPortionAvailableToBeWithdrawnForWorkingCapitalPurposes" xbrli:periodType="duration" xbrli:balance="debit" name="AdjustmentsForCompanySPortionAvailableToBeWithdrawnForWorkingCapitalPurposes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_DenominatorForCalculationOfEarningsPerShareAbstract" xbrli:periodType="duration" abstract="true" name="DenominatorForCalculationOfEarningsPerShareAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" />
  <element id="cciv_CashInvestedInToTrustAccount" xbrli:periodType="duration" xbrli:balance="debit" name="CashInvestedInToTrustAccount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_DenominatorWeightedAverageNonRedeemableCommonStockAbstract" xbrli:periodType="duration" abstract="true" name="DenominatorWeightedAverageNonRedeemableCommonStockAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" />
  <element id="cciv_UnrealizedGainOnMarketableSecurities" xbrli:periodType="instant" xbrli:balance="credit" name="UnrealizedGainOnMarketableSecurities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_CommonStockSubscriptionAgreementsMember" xbrli:periodType="duration" abstract="true" name="CommonStockSubscriptionAgreementsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" />
  <element id="cciv_PrivateInvestmentInPublicEquityInvestorsMember" xbrli:periodType="duration" abstract="true" name="PrivateInvestmentInPublicEquityInvestorsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" />
  <element id="cciv_TransactionCostsAttributableToInitialPublicOffering" xbrli:periodType="duration" xbrli:balance="debit" name="TransactionCostsAttributableToInitialPublicOffering" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_RestatementOfWarrantsAsDerivativeLiabilitiesMember" xbrli:periodType="duration" abstract="true" name="RestatementOfWarrantsAsDerivativeLiabilitiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" />
  <element id="cciv_WarrantLiabilitiesPolicyTextBlock" xbrli:periodType="duration" name="WarrantLiabilitiesPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" />
  <element id="cciv_WarrantLiabilitiesDisclosureAbstract" xbrli:periodType="duration" abstract="true" name="WarrantLiabilitiesDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" />
  <element id="cciv_WarrantLiabilitiesDisclosureTextBlock" xbrli:periodType="duration" name="WarrantLiabilitiesDisclosureTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" />
  <element id="cciv_PublicWarrantsMember" xbrli:periodType="duration" abstract="true" name="PublicWarrantsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" />
  <element id="cciv_PrivatePlacementWarrantsMember" xbrli:periodType="duration" abstract="true" name="PrivatePlacementWarrantsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" />
  <element id="cciv_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays" xbrli:periodType="duration" name="ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" />
  <element id="cciv_ClassOfWarrantOrRightMinimumThresholdWrittenNoticePeriodForRedemptionOfWarrants" xbrli:periodType="duration" name="ClassOfWarrantOrRightMinimumThresholdWrittenNoticePeriodForRedemptionOfWarrants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" />
  <element id="cciv_EffectiveIncomeTaxRateReconciliationLossOnWarrantLiabilityPercent" xbrli:periodType="duration" name="EffectiveIncomeTaxRateReconciliationLossOnWarrantLiabilityPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" />
  <element id="cciv_EffectiveIncomeTaxRateReconciliationTransactionCostsIncurredInConnectionWithIpoPercent" xbrli:periodType="duration" name="EffectiveIncomeTaxRateReconciliationTransactionCostsIncurredInConnectionWithIpoPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" />
  <element id="cciv_SummaryOfChangesInFairValueOfWarrantLiabilitiesTableTextBlock" xbrli:periodType="duration" name="SummaryOfChangesInFairValueOfWarrantLiabilitiesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" />
  <element id="cciv_InitialMeasurementOfWarrantsIssuedInConnectionWithInitialPublicOfferingAccountedForAsLiabilities" xbrli:periodType="duration" xbrli:balance="debit" name="InitialMeasurementOfWarrantsIssuedInConnectionWithInitialPublicOfferingAccountedForAsLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_ChangeInValuationInputsOrOtherAssumptionsOfWarrantsLiabilities" xbrli:periodType="duration" xbrli:balance="debit" name="ChangeInValuationInputsOrOtherAssumptionsOfWarrantsLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_MaximumThresHoldPeriodForFilingRegistrationStatementAfterBusinessCombination" xbrli:periodType="duration" name="MaximumThresHoldPeriodForFilingRegistrationStatementAfterBusinessCombination" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" />
  <element id="cciv_MaximumThresholdPeriodForRegistrationStatementToBecomeEffectiveAfterBusinessCombination" xbrli:periodType="duration" name="MaximumThresholdPeriodForRegistrationStatementToBecomeEffectiveAfterBusinessCombination" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" />
  <element id="cciv_RedemptionPeriod" xbrli:periodType="duration" name="RedemptionPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" />
  <element id="cciv_NonRedeemableCommonStockMember" xbrli:periodType="duration" abstract="true" name="NonRedeemableCommonStockMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" />
  <element id="cciv_MeasurementInputProbabilityOfCompletingBusinessCombinationMember" xbrli:periodType="duration" abstract="true" name="MeasurementInputProbabilityOfCompletingBusinessCombinationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" />
  <element id="cciv_DeferredFeePerUnit" xbrli:periodType="instant" name="DeferredFeePerUnit" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" />
  <element id="cciv_MaximumThresholdPeriodForFilingRegistrationStatementAfterBusinessCombination" xbrli:periodType="duration" name="MaximumThresholdPeriodForFilingRegistrationStatementAfterBusinessCombination" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" />
  <element id="cciv_CommonClassaSubjectToRedemptionMember" xbrli:periodType="duration" abstract="true" name="CommonClassaSubjectToRedemptionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" />
  <element id="cciv_CommonClassaNotSubjectToRedemptionMember" xbrli:periodType="duration" abstract="true" name="CommonClassaNotSubjectToRedemptionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" />
  <element id="cciv_OrdinaryStockSharesAuthorized" xbrli:periodType="duration" name="OrdinaryStockSharesAuthorized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" />
  <element id="cciv_NetIncomeLossAttributableToParentAndShareholders" xbrli:periodType="duration" xbrli:balance="credit" name="NetIncomeLossAttributableToParentAndShareholders" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_GainLossOnInitialClassificationOfConversionOption" xbrli:periodType="duration" xbrli:balance="debit" name="GainLossOnInitialClassificationOfConversionOption" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_InitialClassificationOfConversionOptionLiability" xbrli:periodType="duration" xbrli:balance="debit" name="InitialClassificationOfConversionOptionLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_UnderlyingWarrantValueMember" xbrli:periodType="duration" abstract="true" name="UnderlyingWarrantValueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" />
  <element id="cciv_HoldingPeriodMember" xbrli:periodType="duration" abstract="true" name="HoldingPeriodMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" />
  <element id="cciv_RelatedPartyFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" xbrli:periodType="duration" name="RelatedPartyFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" />
  <element id="cciv_PipeSubscriptionAgreementMember" xbrli:periodType="duration" abstract="true" name="PipeSubscriptionAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" />
  <element id="cciv_LucidSeriesDPreferredStockMember" xbrli:periodType="duration" abstract="true" name="LucidSeriesDPreferredStockMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" />
  <element id="cciv_LucidSeriesEPreferredStockMember" xbrli:periodType="duration" abstract="true" name="LucidSeriesEPreferredStockMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" />
  <element id="cciv_VotingAndSupportAgreementMember" xbrli:periodType="duration" abstract="true" name="VotingAndSupportAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" />
  <element id="cciv_ConvertibleDebtPolicyTextBlock" xbrli:periodType="duration" name="ConvertibleDebtPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" />
  <element id="cciv_RemainingBalanceOfDebtDiscount" xbrli:periodType="duration" xbrli:balance="debit" name="RemainingBalanceOfDebtDiscount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_AgreementRelatingToAdministrativeAndSupportServices" xbrli:periodType="instant" xbrli:balance="credit" name="AgreementRelatingToAdministrativeAndSupportServices" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_DeferredUnderwritingFeesPayableSource2" name="DeferredUnderwritingFeesPayableSource2" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="cciv_InterestEarnedOnTrustAccountWithdrawnSource2" xbrli:periodType="duration" xbrli:balance="credit" name="InterestEarnedOnTrustAccountWithdrawnSource2" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <element id="cciv_FinancialInstrumentsSubjectToMandatoryRedemptionSettlementTermsAbstract" name="FinancialInstrumentsSubjectToMandatoryRedemptionSettlementTermsAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
</schema>
