Table S1. Term energies and deviations for the 
X1A' and a3A" states of CH37Cl.  

   Term energy	       Assignments and Deviations                         

 This                            Dunham    Ref.55
 work    Ref.42      This work    o.-c.     o.-c.
							
 797(1)	   796	      X(0,0,1)	   -1	      3	
 894(1)	   891	      X(0,1,0)	    3	     -2
1583(6)	  1583	      X(0,0,2)	   -3	      5
1684(4)	  1684	      X(0,1,1)	    0	     -1  
1771(1)	  1770	      X(0,2,0)	    0	     -7
2081(2)	  2079	      X(1,0,0)	    0	      5
2184(7)   2187        a(0,0,0)     ...       14
2361(4)	  2361	      X(0,0,3)	   -1	      8
2469(3)	  2466	      X(0,1,2)	    3         4
2560(2)	  2559	      X(0,2,1)	    1	     -3
2643(1)	  2641	      X(0,3,0)	    2        -7
2875(3)	  2875	      X(1,0,1)	   -1	      8
2974(2)	  2972	      X(1,1,0)	    3	      1
3128(2)	   ...	      X(0,0,4)	   -1	      9	
3238(2)	   ...	      X(0,1,3)	    0	      3	
3339(4)	  3340	      X(0,2,2)	    2	      0
3429(4)   3427        X(0,3,1)      4        -2
3497(1)	  3494	      X(0,4,0)	   -4	    -14
3600(3)	  3602	      a(0,2,0)	   ...       24
3661(1)	   ...	      X(1,0,2)	    0	     11
3765(2)	  3762	      X(1,1,1)	    5	      6
3850(2)	  3848	      X(1,2,0)	    0        -1
4000(1)	   ...	      X(0,1,4)	    2	      4
4100(8)	   ...	      X(0,2,3)	   -3	     17	
4276(1)	  4270	      X(0,4,1)	   -3       -11
4351(6)	  4347	      X(0,5,0)	    0	    -14
4432(3)	   ...	      X(1,0,3)	   -1	      9
4541(3)	   ...	      X(1,1,2)	    1	      4
4637(3)	  4634	      X(1,2,1)	    2	     15
4715(2)	  4716	      X(1,3,0)	   -4	      0
4748(3)	   ...	      X(0,1,5)	   -1	     ...
4874(5)	   ...	      X(2,0,1)	   -4        ...
5048(3)	   ...	      X(0,4,2)	    1	     ...	     
5123(7)	  5123	      X(0,5,1)	   -1	     ...	
5190(2)	  5190	      X(0,6,0)	    0	     ...	
5411(4)	   ...	      X(1,2,2)	    2	     ...
5496(3)	   ...	      X(1,3,1)	   -4	     ...	
5660(3)	   ...	      X(2,0,2)	    2	     ...	
5809(8)	   ...	      X(0,4,3)	    4	     ...
5851(3)	   ...        X(2,2,0)     -1	     ...
5884(3)    ...        X(0,5,2)     -3	     ...
5956(5)    ...        X(0,6,1)	   -3	     ...	
6024(8)	   ...        X(0,7,0)	    4	     ...
6171(4)    ...        X(1,2,3)     -2	     ...
6723(15)   ...        X(2,3,0)      2	     ...
6840(4)    ...        X(0,8,0)      1	     ...	

Standard deviation:	           2.4       8.5