WebMO Job Summary

664021: C4H2O3 maleic anhydride, Optimize + Vib Freq - Gaussian

Calculated Quantities

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Overview

Quantity Value
Route #N B3LYP/6-31G(d) OPT FREQ Geom=Connectivity
Stoichiometry C4H2O3
Symmetry C2V
Basis 6-31G(d)
RB3LYP Energy -379.289535306 Hartree
ZPE 0.055879 Hartree
Conditions 298.150K, 1.00000 atm
Internal Energy -379.228472 Hartree
Enthalpy -379.227528 Hartree
Free Energy -379.262073 Hartree
Cv 18.574 cal/mol-K
Entropy 72.707 cal/mol-K
Dipole Moment 4.0715 Debye
Server batch (677280)
CPU time 346.9 sec

Geometry Sequence Energies

Step Energy  
0 -379.243633931  
1 -379.279757222  
2 -379.288842488  
3 -379.289466760  
4 -379.289529328  
5 -379.289535306  
6 -379.289535306  
7 -379.289535306  
Animation speed  
Loop  

Rotational Constants

Constant Frequency (GHz) Frequency (cm-1)
a 6.84252 0.22824189927
b 2.44720 0.08162980538
c 1.80253 0.06012592885

Vibrational Modes

Mode Symmetry Frequency (cm-1) IR (Raman) Intensity Actions
1 B1 168.4059 3.0215
2 A2 263.8271 0.0000
3 A1 399.8912 10.5866
4 B2 558.1680 2.3541
5 A1 636.1787 0.5063
6 B1 639.8880 0.7602
7 B2 702.7842 34.9293
8 A2 762.3709 0.0000
9 B1 853.4800 68.8577
10 A1 876.4869 6.0361
11 B2 910.8959 112.9857
12 A2 977.4470 0.0000
13 B2 1065.0841 48.2566
14 A1 1086.1941 22.3811
15 A1 1277.3858 158.4434
16 B2 1341.5703 2.6067
17 A1 1666.8287 2.9134
18 B2 1866.6693 557.8308
19 A1 1928.6035 56.7991
20 B2 3263.1318 0.1185
21 A1 3282.9494 0.1637
Frequency Scale Factor
Normal Mode Amplitude
Animation Speed
IR Spectrum  
Peak Width (cm-1)

Quote

LORD, MAN... WERE YE BUT WHYLES WHERE I AM, THE GENTILES YE WAD NE'ER ENVY 'EM. IT'S TRUE, THEY NEEDNA STARVE OR SWEAT, THRO' WINTER'S CAULD OR SIMMER'S HEAT... THEY'VE NAE SAIR WARK TO CRAZE THEIR BANES, AND FILL AULD AGE WITH GRIPS AN' GRANES... BUT HUMAN BODIES ARE SIC FOOLS FOR A' THEIR COLLEGES AND SCHOOLS, THAT WHEN NAE REAL ILLS PERPLEX THEM, THEY MAK ENOW THEMSELVES TO VEX THEM, AN' AYE THE LESS THEY HAE TO STURT THEM, IN LIKE PROPORTION LESS WILL HURT THEM.... (ROBERT BURNS 'THE TWA DOGS')