Mute alarm on vibrate mode

I have a Nexus 5 with android 6. I want to set my alarm with sound + vibration, but automatically mute the alarm sound (keep the alarm vibration) when I set the phone to vibration mode. Is it just not possible with the default google clock's alarm?

from Android Forums at AndroidCentral.com - Ask a Question http://ift.tt/2bZ7dQb
via IFTTT