PhotochemCAD™

calculational modules and databases of absorption and emission spectra for diverse compounds

Download PhotochemCAD™

PhotochemCAD™ 3

Download PhotochemCAD3.zip
  1. Download and unzip PhotochemCAD.zip
  2. Open photochemcad 3.exe
  3. Select File > Open > Database from the menu
  4. Open 2018_03 PCAD3.db

"PhotochemCAD 3: Diverse Modules for Photophysical Calculations with Access to Multiple Spectral Databases," Taniguchi, M.; Du, H.; Lindsey, J. S. Photochem. Photobiol. 2018, 94, 277–289. – describes the overall organization of the program and provides a complete description of each module, including the formulas for all calculations.

"Database of Absorption and Fluorescence Spectra of >300 Common Compounds for Use in PhotochemCAD," Taniguchi, M.; Lindsey, J. S. Photochem. Photobiol. 2018, 94, 290–327. – provides literature data for each spectrum including 720 references in total to the original scholarly literature.


Chlorophylls Database

Download Chlorophylls PCAD Database 2020.zip
  1. Download and unzip Chlorophylls PCAD Database 2020.zip
  2. Open photochemcad 3.exe (from previous download)
  3. Select File > Open > Database from the menu
  4. Open 01 Chlorphylls DB.db

"Absorption and Fluorescence Spectral Database of Chlorophylls and Analogues,"
Taniguchi, M.; Lindsey, J. S. Photochem. Photobiol. DOI: 10.1111/php.13319.


Tolyporphins Database

Download Tolyporphins Database 2021.zip
  1. Download and unzip Tolyporphins Database 2021.zip
  2. Open photochemcad 3.exe (from previous download)
  3. Select File > Open > Database from the menu
  4. Open 01 Tolyporphin DB.db

"Tolyporphins A–R, unusual tetrapyrrole macrocycles in a cyanobacterium from Micronesia, assessed quantitatively from the culture HT-58-2" O'Donnell, T. J.; Gurr, J. R.; Dai, J.; Taniguchi, M.; Williams, P. G.; Lindsey, J. S.  New J. Chem. 2021, Advance Article.

System Requirements

Windows operating system only


Current Version

Version 3 relased on March 5, 2018

License Agreement

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


Previous Versions

Journal articles detailing previous versions: