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  <xs:element id="ivr_DerivativeInstrumentsRealizedGainLossonSettlementTerminationExpirationorExerciseNet" abstract="false" name="DerivativeInstrumentsRealizedGainLossonSettlementTerminationExpirationorExerciseNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ivr_ContractualInterestExpenseIncome" abstract="false" name="ContractualInterestExpenseIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ivr_CentralClearingCounterpartyMember" abstract="true" name="CentralClearingCounterpartyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ivr_DerivativeAssetExcludingPortionRelatedToCentrallyClearedInterestRateSwaps" abstract="false" name="DerivativeAssetExcludingPortionRelatedToCentrallyClearedInterestRateSwaps" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ivr_DerivativesAbstract" abstract="true" name="DerivativesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ivr_DerivativeLiabilityExcludingPortionRelatedtoCentrallyClearedInterestRateSwaps" abstract="false" name="DerivativeLiabilityExcludingPortionRelatedtoCentrallyClearedInterestRateSwaps" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ivr_RepurchaseAgreementsAbstract" abstract="true" name="RepurchaseAgreementsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ivr_CashCollateralPledgedOnDerivatives" abstract="false" name="CashCollateralPledgedOnDerivatives" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ivr_CashCollateralPledgedOnInterestRateSwaps" abstract="false" name="CashCollateralPledgedOnInterestRateSwaps" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ivr_SecuritiesSoldUnderAgreementsToRepurchaseFairValueofCollateralExcludingCashCollateral" abstract="false" name="SecuritiesSoldUnderAgreementsToRepurchaseFairValueofCollateralExcludingCashCollateral" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ivr_InvescoAdvisersInc.Member" abstract="true" name="InvescoAdvisersInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ivr_PercentageOfShareholdersEquityPerAnnumPaidAsManagementFees" abstract="false" name="PercentageOfShareholdersEquityPerAnnumPaidAsManagementFees" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ivr_IncurredCostsPrepaidorExpensedMember" abstract="true" name="IncurredCostsPrepaidorExpensedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ivr_IncurredCostsChargedAgainstEquityasaCostofRaisingCapitalMember" abstract="true" name="IncurredCostsChargedAgainstEquityasaCostofRaisingCapitalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ivr_EquityDistributionAgreementMember" abstract="true" name="EquityDistributionAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ivr_PreferredStockDividendsBasisSpreadonVariableRate" abstract="false" name="PreferredStockDividendsBasisSpreadonVariableRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ivr_SaleOfStockSharesAuthorized" abstract="false" name="SaleOfStockSharesAuthorized" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ivr_StockIssuanceCostsOtherCosts" abstract="false" name="StockIssuanceCostsOtherCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ivr_EarningslosspershareAbstract" abstract="true" name="EarningslosspershareAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
</xs:schema>
