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

using model chemistry: PBE1PBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at PBE1PBE/6-311G*
 hartrees
Energy at 0K-505.724307
Energy at 298.15K-505.731846
HF Energy-505.724307
Nuclear repulsion energy449.120391
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 PBE1PBE/6-311G*
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' 3682 3529 0.00      
2 A1' 1898 1819 0.00      
3 A1' 1004 962 0.00      
4 A1' 679 651 0.00      
5 A2' 1407 1349 0.00      
6 A2' 1248 1196 0.00      
7 A2' 637 611 0.00      
8 A2" 782 750 138.62      
9 A2" 682 654 265.84      
10 A2" 133 128 1.69      
11 E' 3680 3527 138.53      
11 E' 3680 3527 138.53      
12 E' 1880 1802 1004.94      
12 E' 1880 1802 1004.85      
13 E' 1499 1436 310.80      
13 E' 1499 1436 310.78      
14 E' 1432 1373 91.93      
14 E' 1432 1373 91.95      
15 E' 1050 1006 10.89      
15 E' 1050 1006 10.89      
16 E' 523 501 25.55      
16 E' 523 501 25.55      
17 E' 397 381 25.78      
17 E' 397 381 25.78      
18 E" 770 738 0.00      
18 E" 770 738 0.00      
19 E" 614 588 0.00      
19 E" 614 588 0.00      
20 E" 151 145 0.00      
20 E" 151 145 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18070.6 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 17320.7 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 PBE1PBE/6-311G*
ABC
0.06786 0.06786 0.03393

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.238 0.715 0.000
C2 -1.238 0.715 0.000
C3 0.000 -1.430 0.000
N4 0.000 1.332 0.000
N5 -1.154 -0.666 0.000
N6 1.154 -0.666 0.000
O7 2.279 1.316 0.000
O8 -2.279 1.316 0.000
O9 0.000 -2.631 0.000
H10 0.000 2.340 0.000
H11 -2.027 -1.170 0.000
H12 2.027 -1.170 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.47622.47621.38352.76181.38351.20143.56763.56762.04323.76992.0432
C22.47622.47621.38351.38352.76183.56761.20143.56762.04322.04323.7699
C32.47622.47622.76181.38351.38353.56763.56761.20143.76992.04322.0432
N41.38351.38352.76182.30742.30742.27862.27863.96321.00803.22003.2200
N52.76181.38351.38352.30742.30743.96322.27862.27863.22001.00803.2200
N61.38352.76181.38352.30742.30742.27863.96322.27863.22003.22001.0080
O71.20143.56763.56762.27863.96322.27864.55714.55712.49834.97122.4983
O83.56761.20143.56762.27862.27863.96324.55714.55712.49832.49834.9712
O93.56763.56761.20143.96322.27862.27864.55714.55714.97122.49832.4983
H102.04322.04323.76991.00803.22003.22002.49832.49834.97124.05334.0533
H113.76992.04322.04323.22001.00803.22004.97122.49832.49834.05334.0533
H122.04323.76992.04323.22003.22001.00802.49834.97122.49834.05334.0533

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 126.999 C1 N4 H10 116.501
C1 N6 C3 126.999 C1 N6 H12 116.501
C2 N4 H10 116.501 C2 N5 C3 126.999
C2 N5 H11 116.501 C3 N5 H11 116.501
C3 N6 H12 116.501 N4 C1 N6 113.001
N4 C1 O7 123.499 N4 C2 N5 113.001
N4 C2 O8 123.499 N5 C2 O8 123.499
N5 C3 N6 113.001 N5 C3 O9 123.499
N6 C1 O7 123.499 N6 C3 O9 123.499
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability