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  <xs:element id="xxi_ConvertibleNotesPayablePolicyTextBlock" name="ConvertibleNotesPayablePolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
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  <xs:element id="xxi_JunePIPENetProceedsMember" name="JunePIPENetProceedsMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
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  <xs:element id="xxi_ScheduleOfNumberOfSharesDeterminedLineItems" name="ScheduleOfNumberOfSharesDeterminedLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="xxi_TwentyOneAssetsUnits" name="TwentyOneAssetsUnits" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="xxi_CEPClassACommonStockOutstandingPriorToTheRecapitalization" name="CEPClassACommonStockOutstandingPriorToTheRecapitalization" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="xxi_NetPayoutInReverseRecapitalization" name="NetPayoutInReverseRecapitalization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="xxi_CashtrustAndCashNetOfRedemptions" name="CashtrustAndCashNetOfRedemptions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="xxi_AssetsAcquired" name="AssetsAcquired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="xxi_ClassACommonStockOfCEP" name="ClassACommonStockOfCEP" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="xxi_CEPClassBCommonStockOutstandingPriorToTheRecapitalization" name="CEPClassBCommonStockOutstandingPriorToTheRecapitalization" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="xxi_ScheduleOfReverseRecapitalizationAbstract" name="ScheduleOfReverseRecapitalizationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="xxi_ReverseRecapitalizationNet" name="ReverseRecapitalizationNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="xxi_SharesIssuedInConnectionToPIPESubscriptions" name="SharesIssuedInConnectionToPIPESubscriptions" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="xxi_ScheduleOfNumberOfSharesIssuedAbstract" name="ScheduleOfNumberOfSharesIssuedAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
</xs:schema>
