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  <element id="cciv_DeferredUnderwritingUpfrontPayment" name="DeferredUnderwritingUpfrontPayment" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="cciv_InitialPublicOfferingCost" name="InitialPublicOfferingCost" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="cciv_WorkingCapitalRequirementFundAnnualLimit" name="WorkingCapitalRequirementFundAnnualLimit" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="cciv_EffectedCommonStockDividendShare" name="EffectedCommonStockDividendShare" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_BusinessCombinationPlacementFee" name="BusinessCombinationPlacementFee" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="cciv_CommonStockNumberOfVotesPerShare" name="CommonStockNumberOfVotesPerShare" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <element id="cciv_WarrantsAndRightsOutstandingExercisableTermAfterBusinessCombination" name="WarrantsAndRightsOutstandingExercisableTermAfterBusinessCombination" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_WarrantsAndRightsOutstandingExercisableTermFromClosingOfInitialPublicOffering" name="WarrantsAndRightsOutstandingExercisableTermFromClosingOfInitialPublicOffering" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_IfUnderwritersDoNotExerciseOverallotmentOptionMember" name="IfUnderwritersDoNotExerciseOverallotmentOptionMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_UnitEachConsistingOfOneClassCommonStockAndOneFifthOfOneWarrantMember" name="UnitEachConsistingOfOneClassCommonStockAndOneFifthOfOneWarrantMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_WarrantsIncludedAsPartOfUnitsMember" name="WarrantsIncludedAsPartOfUnitsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_UnitPrice" name="UnitPrice" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <element id="cciv_NumberOfSharesIssuedPerUnit" name="NumberOfSharesIssuedPerUnit" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_NumberOfWarrantsIssuedPerUnit" name="NumberOfWarrantsIssuedPerUnit" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_AdministrativeSupportAgreementMember" name="AdministrativeSupportAgreementMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_SharesSubjectToPossibleRedemptionValue" name="SharesSubjectToPossibleRedemptionValue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="cciv_SharesSubjectToPossibleRedemptionShares" name="SharesSubjectToPossibleRedemptionShares" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_InterestEarnedOnTrustAccountWithdrawn" name="InterestEarnedOnTrustAccountWithdrawn" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="cciv_TemporaryEquityWeightedAverageNumberOfSharesOutstandingBasicAndDiluted" name="TemporaryEquityWeightedAverageNumberOfSharesOutstandingBasicAndDiluted" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_TemporaryEquityEarningsPerShareBasicAndDiluted" name="TemporaryEquityEarningsPerShareBasicAndDiluted" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_NumberOfSubsidiaries" name="NumberOfSubsidiaries" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_MergerAgreementWithMergerSubAndAtievaMember" name="MergerAgreementWithMergerSubAndAtievaMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_ConvertiblePromissoryNoteWithRelatedPartyMember" name="ConvertiblePromissoryNoteWithRelatedPartyMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableNumberOfBusinessDaysConsideredForDeterminationOfEquityValue" name="BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableNumberOfBusinessDaysConsideredForDeterminationOfEquityValue" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_MaximumBorrowingCapacityOfRelatedPartyPromissoryNote" name="MaximumBorrowingCapacityOfRelatedPartyPromissoryNote" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="cciv_MaximumLoansConvertibleIntoWarrants" name="MaximumLoansConvertibleIntoWarrants" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="cciv_WarrantsPricePerUnit" name="WarrantsPricePerUnit" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <element id="cciv_TemporaryEquityEarningsPerShareBasicAndDilutedCalculationAbstract" name="TemporaryEquityEarningsPerShareBasicAndDilutedCalculationAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_NumeratorForCalculationOfEarningsPerShareAbstract" name="NumeratorForCalculationOfEarningsPerShareAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_TemporaryEquityAttributableInterestIncome" name="TemporaryEquityAttributableInterestIncome" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="cciv_TemporaryEquityAttributableUnrealizedGainLossOnInvestmentsHeldInTrustAccount" name="TemporaryEquityAttributableUnrealizedGainLossOnInvestmentsHeldInTrustAccount" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="cciv_AdjustmentsForCompanySPortionAvailableToBeWithdrawnToPayTaxes" name="AdjustmentsForCompanySPortionAvailableToBeWithdrawnToPayTaxes" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="cciv_AdjustmentsForCompanySPortionAvailableToBeWithdrawnForWorkingCapitalPurposes" name="AdjustmentsForCompanySPortionAvailableToBeWithdrawnForWorkingCapitalPurposes" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="cciv_DenominatorForCalculationOfEarningsPerShareAbstract" name="DenominatorForCalculationOfEarningsPerShareAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_CashInvestedInToTrustAccount" name="CashInvestedInToTrustAccount" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="cciv_DenominatorWeightedAverageNonRedeemableCommonStockAbstract" name="DenominatorWeightedAverageNonRedeemableCommonStockAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_CommonStockSubscriptionAgreementsMember" name="CommonStockSubscriptionAgreementsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_PrivateInvestmentInPublicEquityInvestorsMember" name="PrivateInvestmentInPublicEquityInvestorsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_WarrantLiabilitiesDisclosureAbstract" name="WarrantLiabilitiesDisclosureAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_WarrantLiabilitiesDisclosureTextBlock" name="WarrantLiabilitiesDisclosureTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_PublicWarrantsMember" name="PublicWarrantsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_PrivatePlacementWarrantsMember" name="PrivatePlacementWarrantsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays" name="ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_ClassOfWarrantOrRightMinimumThresholdWrittenNoticePeriodForRedemptionOfWarrants" name="ClassOfWarrantOrRightMinimumThresholdWrittenNoticePeriodForRedemptionOfWarrants" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_SummaryOfChangesInFairValueOfWarrantLiabilitiesTableTextBlock" name="SummaryOfChangesInFairValueOfWarrantLiabilitiesTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_ChangeInValuationInputsOrOtherAssumptionsOfWarrantsLiabilities" name="ChangeInValuationInputsOrOtherAssumptionsOfWarrantsLiabilities" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="cciv_MaximumThresholdPeriodForRegistrationStatementToBecomeEffectiveAfterBusinessCombination" name="MaximumThresholdPeriodForRegistrationStatementToBecomeEffectiveAfterBusinessCombination" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_RedemptionPeriod" name="RedemptionPeriod" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_MeasurementInputProbabilityOfCompletingBusinessCombinationMember" name="MeasurementInputProbabilityOfCompletingBusinessCombinationMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_SummaryOfChangeInFairValueOfConversionOptionLiabilityTableTextBlock" name="SummaryOfChangeInFairValueOfConversionOptionLiabilityTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_InitialMeasurementOfOptionsIssuedInConnectionWithInitialPublicOfferingAccountedForAsLiabilities" name="InitialMeasurementOfOptionsIssuedInConnectionWithInitialPublicOfferingAccountedForAsLiabilities" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="cciv_ChangeInValuationInputsOrOtherAssumptionsOfOptionsLiabilities" name="ChangeInValuationInputsOrOtherAssumptionsOfOptionsLiabilities" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="cciv_RedemptionOfWarrantsWhenPricePerShareOfClassCommonStockEqualsOrExceeds18.00Member" name="RedemptionOfWarrantsWhenPricePerShareOfClassCommonStockEqualsOrExceeds18.00Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_Classofwarrantorrightredemptionofwarrantsorrightsstockpricetrigger" name="Classofwarrantorrightredemptionofwarrantsorrightsstockpricetrigger" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_DeferredFeePerUnit" name="DeferredFeePerUnit" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <element id="cciv_MaximumThresholdPeriodForFilingRegistrationStatementAfterBusinessCombination" name="MaximumThresholdPeriodForFilingRegistrationStatementAfterBusinessCombination" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_CommonClassaSubjectToRedemptionMember" name="CommonClassaSubjectToRedemptionMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_CommonClassaNotSubjectToRedemptionMember" name="CommonClassaNotSubjectToRedemptionMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_OrdinaryStockSharesAuthorized" name="OrdinaryStockSharesAuthorized" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_NetIncomeLossAttributableToParentAndShareholders" name="NetIncomeLossAttributableToParentAndShareholders" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="cciv_GainLossOnInitialClassificationOfConversionOption" name="GainLossOnInitialClassificationOfConversionOption" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="cciv_InitialClassificationOfConversionOptionLiability" name="InitialClassificationOfConversionOptionLiability" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="cciv_UnderlyingWarrantValueMember" name="UnderlyingWarrantValueMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_HoldingPeriodMember" name="HoldingPeriodMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_RelatedPartyFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" name="RelatedPartyFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_PipeSubscriptionAgreementMember" name="PipeSubscriptionAgreementMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_LucidSeriesDPreferredStockMember" name="LucidSeriesDPreferredStockMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_LucidSeriesEPreferredStockMember" name="LucidSeriesEPreferredStockMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_VotingAndSupportAgreementMember" name="VotingAndSupportAgreementMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="cciv_ConvertibleDebtPolicyTextBlock" name="ConvertibleDebtPolicyTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="cciv_RemainingBalanceOfDebtDiscount" name="RemainingBalanceOfDebtDiscount" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="cciv_AgreementRelatingToAdministrativeAndSupportServices" name="AgreementRelatingToAdministrativeAndSupportServices" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
</schema>
