onMapClick = (map,maps,e) => {
    const { latLng } = e;
    const latitude = e.latLng.lat();
    const longitude = e.latLng.lng();
    console.log(latitude + ", " + longitude);

    var marker = new window.google.maps.Marker({
      position: e.latLng,
      setMap: map,
    });
  }

<Marker
      onClick={this.onMarkerClick}
      name={storedLocations[0]}
      position={{lat:listLatitude[0], lan:listLongitude[0]}}
    />

<InfoWindow
        marker={this.state.activeMarker}
        visible={this.state.showingInfoWindow}
       onClose={this.onClose}
     >
      <div>
        <h4>{this.state.selectedPlace.name}</h4>
      </div>
    </InfoWindow>
  </Map>