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All results from a given calculation for C3H3N3O3 (cyanuric acid)

using model chemistry: CID/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-504.451544
Energy at 298.15K-504.459314
HF Energy-503.387084
Nuclear repulsion energy451.178382
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CID/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1' 3798 3508 0.00      
2 A1' 2011 1858 0.00      
3 A1' 1053 973 0.00      
4 A1' 718 663 0.00      
5 A2' 1485 1371 0.00      
6 A2' 1351 1248 0.00      
7 A2' 669 618 0.00      
8 A2" 807 745 214.50      
9 A2" 701 648 323.05      
10 A2" 142 131 0.99      
11 E' 3794 3505 198.74      
11 E' 3794 3505 198.74      
12 E' 1987 1835 1148.26      
12 E' 1987 1835 1148.27      
13 E' 1592 1471 403.12      
13 E' 1592 1471 403.13      
14 E' 1507 1392 75.44      
14 E' 1507 1392 75.44      
15 E' 1107 1022 13.13      
15 E' 1107 1022 13.13      
16 E' 551 509 25.34      
16 E' 551 509 25.34      
17 E' 416 385 33.46      
17 E' 416 385 33.48      
18 E" 801 740 0.00      
18 E" 801 740 0.00      
19 E" 637 589 0.00      
19 E" 637 589 0.00      
20 E" 161 148 0.00      
20 E" 161 148 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18919.1 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 17475.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CID/6-31G*
ABC
0.06852 0.06852 0.03426

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.231 0.710 0.000
C2 -1.231 0.710 0.000
C3 0.000 -1.421 0.000
N4 0.000 1.328 0.000
N5 -1.150 -0.664 0.000
N6 1.150 -0.664 0.000
O7 2.267 1.309 0.000
O8 -2.267 1.309 0.000
O9 0.000 -2.618 0.000
H10 0.000 2.332 0.000
H11 -2.019 -1.166 0.000
H12 2.019 -1.166 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.46102.46101.37692.74911.37691.19703.54843.54842.03553.75272.0355
C22.46102.46101.37691.37692.74913.54841.19703.54842.03552.03553.7527
C32.46102.46102.74911.37691.37693.54843.54841.19703.75272.03552.0355
N41.37691.37692.74912.30062.30062.26722.26723.94611.00363.20923.2092
N52.74911.37691.37692.30062.30063.94612.26722.26723.20921.00363.2092
N61.37692.74911.37692.30062.30062.26723.94612.26723.20923.20921.0036
O71.19703.54843.54842.26723.94612.26724.53424.53422.48724.94972.4872
O83.54841.19703.54842.26722.26723.94614.53424.53422.48722.48724.9497
O93.54843.54841.19703.94612.26722.26724.53424.53424.94972.48722.4872
H102.03552.03553.75271.00363.20923.20922.48722.48724.94974.03894.0389
H113.75272.03552.03553.20921.00363.20924.94972.48722.48724.03894.0389
H122.03553.75272.03553.20923.20921.00362.48724.94972.48724.03894.0389

picture of cyanuric acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N4 C2 126.678 C1 N4 H10 116.661
C1 N6 C3 126.678 C1 N6 H12 116.661
C2 N4 H10 116.661 C2 N5 C3 126.678
C2 N5 H11 116.661 C3 N5 H11 116.661
C3 N6 H12 116.661 N4 C1 N6 113.322
N4 C1 O7 123.339 N4 C2 N5 113.322
N4 C2 O8 123.339 N5 C2 O8 123.339
N5 C3 N6 113.322 N5 C3 O9 123.339
N6 C1 O7 123.339 N6 C3 O9 123.339
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability