WebMO Job Summary

254260: C8H10O2N4 caffeine, Optimize + Vib Freq - Gaussian

Calculated Quantities

Expand all

Overview

Quantity Value
Route #N B3LYP/6-31G(d) OPT FREQ Geom=Connectivity
Stoichiometry C8H10N4O2
Symmetry C1
Basis 6-31G(d)
RB3LYP Energy -680.376975319 Hartree
ZPE 0.189564 Hartree
Conditions 298.150K, 1.00000 atm
Internal Energy -680.174286 Hartree
Enthalpy -680.173342 Hartree
Free Energy -680.227703 Hartree
Cv 47.064 cal/mol-K
Entropy 114.413 cal/mol-K
Dipole Moment 3.8351 Debye
Server batch (259607)
CPU time 7425.2 sec

Geometry Sequence Energies

Step Energy  
0 -680.314129360  
1 -680.355819004  
2 -680.371385210  
3 -680.374680449  
4 -680.376399712  
5 -680.376706880  
6 -680.376802508  
7 -680.376824107  
8 -680.376838851  
9 -680.376850615  
10 -680.376860236  
11 -680.376875471  
12 -680.376894172  
13 -680.376906220  
14 -680.376921940  
15 -680.376931981  
16 -680.376945717  
17 -680.376953379  
18 -680.376963861  
19 -680.376969925  
20 -680.376971182  
21 -680.376972254  
22 -680.376972834  
23 -680.376974137  
24 -680.376975216  
25 -680.376975319  
26 -680.376975319  
27 -680.376975319  
Animation speed  
Loop  

Rotational Constants

Constant Frequency (GHz) Frequency (cm-1)
a 1.06045 0.03537280448
b 0.70199 0.02341586592
c 0.42576 0.01420182492

Partial Charges

Atom Symbol Charge
1 C -0.321756  
2 N -0.589709  
3 C 0.785155  
4 N -0.574237  
5 C 0.632391  
6 C 0.217926  
7 C 0.475315  
8 N -0.511333  
9 C 0.219890  
10 N -0.484061  
11 C -0.315402  
12 H 0.166237  
13 H 0.199087  
14 H 0.199052  
15 H 0.169514  
16 O -0.540382  
17 C -0.314684  
18 H 0.198152  
19 H 0.177248  
20 H 0.177289  
21 O -0.526608  
22 H 0.197669  
23 H 0.181632  
24 H 0.181615  

Vibrational Modes

Mode Symmetry Frequency (cm-1) IR (Raman) Intensity Actions
1 A 39.2022 0.5775
2 A 77.9932 0.0326
3 A 92.6076 0.9519
4 A 96.4359 0.5961
5 A 116.8535 1.1291
6 A 127.8217 7.1213
7 A 160.3867 5.6531
8 A 210.2418 9.0079
9 A 216.8287 0.7762
10 A 276.7470 0.0223
11 A 296.9891 2.0997
12 A 355.1241 8.6316
13 A 358.1235 0.0060
14 A 394.3454 14.2874
15 A 410.1743 14.5059
16 A 446.0547 13.1378
17 A 484.6789 22.3883
18 A 557.3357 0.9787
19 A 616.5916 12.5179
20 A 648.7175 0.7615
21 A 699.3963 0.3950
22 A 738.9296 25.0586
23 A 746.7933 5.2627
24 A 756.7909 16.7828
25 A 816.1782 1.0725
26 A 831.5415 9.4132
27 A 950.4779 1.4396
28 A 997.9134 31.4254
29 A 1048.5247 62.1215
30 A 1095.7705 0.2358
31 A 1096.8776 4.5750
32 A 1162.7281 0.0293
33 A 1167.1969 0.4161
34 A 1168.7861 0.1482
35 A 1218.9713 11.4686
36 A 1249.1679 13.8772
37 A 1269.7902 65.7492
38 A 1282.7744 27.5442
39 A 1313.7464 33.9863
40 A 1373.6004 55.6816
41 A 1398.0834 69.1764
42 A 1431.5535 27.2834
43 A 1460.8180 36.0368
44 A 1471.1562 38.7302
45 A 1482.4316 19.9251
46 A 1503.4716 8.6730
47 A 1509.8606 168.3732
48 A 1515.7399 7.5689
49 A 1522.0744 7.7731
50 A 1531.3131 18.6973
51 A 1534.5059 15.0945
52 A 1546.2640 17.4470
53 A 1592.1770 134.4458
54 A 1640.7961 98.3822
55 A 1754.9585 706.6308
56 A 1792.7484 330.9275
57 A 3082.7245 42.0261
58 A 3083.8476 19.3396
59 A 3086.6046 27.3683
60 A 3146.9696 12.4792
61 A 3149.9256 15.3955
62 A 3160.9979 6.5023
63 A 3169.8221 8.5140
64 A 3195.7086 0.8916
65 A 3205.8626 0.7099
66 A 3269.2416 1.6218
Frequency Scale Factor
Normal Mode Amplitude
Animation Speed
IR Spectrum  
Peak Width (cm-1)

Quote

SOME PEOPLE TRY TO PULL THE WOOL OVER YOUR EYES USING THE WRONG YARN.