diff --git a/test_problems/spectroscopy/Makefile.in b/test_problems/spectroscopy/Makefile.in
new file mode 100644
index 000000000..80a7f9722
--- /dev/null
+++ b/test_problems/spectroscopy/Makefile.in
@@ -0,0 +1,118 @@
+#!/bin/sh
+
+############################################################################
+#
+#  Makefile to compile and link a C++ application to 
+#  Cantera.
+#
+#############################################################################
+
+.SUFFIXES : .d 
+# the name of the executable program to be created
+PROG_NAME = spectratest
+
+# the object files to be linked together. List those generated from Fortran
+# and from C/C++ separately
+OBJS = spectratest.o
+
+# Location of the current build. Will assume that tests are run
+# in the source directory tree location
+src_dir_tree = 0
+
+# additional flags to be passed to the linker. If your program
+# requires other external libraries, put them here
+LINK_OPTIONS = @EXTRA_LINK@
+
+#############################################################################
+
+# Check to see whether we are in the msvc++ environment 
+os_is_win = @OS_IS_WIN@
+
+# Fortran libraries
+FORT_LIBS = @FLIBS@
+
+# the C++ compiler
+CXX = @CXX@
+
+# C++ compile flags
+ifeq ($(src_dir_tree), 1)
+CXX_FLAGS = -DSRCDIRTREE @CXXFLAGS@
+else
+CXX_FLAGS = @CXXFLAGS@
+endif
+
+# external libraries
+EXT_LIBS = @LOCAL_LIBS@ -lctcxx
+
+# Ending C++ linking libraries
+LCXX_END_LIBS = @LCXX_END_LIBS@
+
+# the directory where the Cantera libraries are located
+CANTERA_LIBDIR=@buildlib@
+
+# required Cantera libraries
+CANTERA_LIBS =  @LOCAL_LIBS@ -lctcxx
+
+# the directory where Cantera include files may be found.
+ifeq ($(src_dir_tree), 1)
+CANTERA_INCDIR=../../Cantera/src
+else
+CANTERA_INCDIR=@ctroot@/build/include/cantera
+endif
+
+# flags passed to the C++ compiler/linker for the linking step
+LCXX_FLAGS = -L$(CANTERA_LIBDIR) @LOCAL_LIB_DIRS@ @CXXFLAGS@
+
+# how to compile C++ source files to object files
+.@CXX_EXT@.@OBJ_EXT@: Interface.h
+	$(CXX) -c $< -I$(CANTERA_INCDIR) @CXX_INCLUDES@ $(CXX_FLAGS)
+
+DEPENDS=$(OBJS:.o=.d) 
+
+.cpp.d:
+	@CXX_DEPENDS@ -I$(CANTERA_INCDIR) $(CXX_FLAGS) $*.cpp > $*.d
+
+
+PROGRAM = $(PROG_NAME)$(EXE_EXT)
+
+all: $(PROGRAM)
+
+$(PROGRAM): $(OBJS) $(CANTERA_LIBDIR)/libctbase.a 
+	$(CXX) -o $(PROGRAM) $(OBJS) $(LCXX_FLAGS) $(LINK_OPTIONS) \
+                  $(CANTERA_LIBS) @LIBS@ $(FORT_LIBS) \
+                  $(LCXX_END_LIBS)
+
+# Add an additional target for stability:
+$(OBJS):  $(CANTERA_LIBDIR)/libctbase.a $(CANTERA_LIBDIR)/libthermo.a
+
+
+depends:
+	$(RM) *.d .depends
+	@MAKE@ .depends
+
+.depends: $(DEPENDS)
+	cat *.d > .depends
+
+# Do the test -> For the windows vc++ environment, we have to skip checking on
+#                whether the program is uptodate, because we don't utilize make
+#                in that environment to build programs.
+test:
+ifeq ($(os_is_win), 1)
+else
+	@MAKE@ $(PROGRAM)
+endif
+	./runtest
+
+clean:
+	$(RM) $(OBJS) $(PROGRAM)
+	../../bin/rm_cvsignore
+	(if test -d SunWS_cache ; then \
+           $(RM) -rf SunWS_cache ;  fi )
+
+
+
+ifeq ($(wildcard .depends), .depends)
+include .depends
+endif
+
+
diff --git a/test_problems/spectroscopy/spectratest.cpp b/test_problems/spectroscopy/spectratest.cpp
new file mode 100644
index 000000000..776470429
--- /dev/null
+++ b/test_problems/spectroscopy/spectratest.cpp
@@ -0,0 +1,14 @@
+
+#include "Cantera.h"
+#include "spectra.h"
+#include <iostream>
+using namespace std;
+using namespace Cantera;
+
+int main() {
+
+    Rotor* r = new Rotor(1.0);
+    double w = 8065.0;
+    cout << "eV: " << wnum_to_eV(w) << endl;
+    delete r;
+}