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

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-504.754772
Energy at 298.15K-504.762197
HF Energy-503.382961
Nuclear repulsion energy447.229315
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 CCD/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' 3665 3469 0.00      
2 A1' 1938 1834 0.00      
3 A1' 1013 959 0.00      
4 A1' 690 653 0.00      
5 A2' 1421 1345 0.00      
6 A2' 1297 1227 0.00      
7 A2' 639 605 0.00      
8 A2" 730 691 99.78      
9 A2" 668 632 385.19      
10 A2" 119 113 0.06      
11 E' 3662 3467 164.71      
11 E' 3662 3467 164.70      
12 E' 1919 1816 1014.64      
12 E' 1919 1816 1014.66      
13 E' 1530 1448 403.65      
13 E' 1530 1448 403.66      
14 E' 1448 1371 46.50      
14 E' 1448 1371 46.49      
15 E' 1065 1008 15.64      
15 E' 1065 1008 15.64      
16 E' 529 501 23.17      
16 E' 529 501 23.17      
17 E' 398 377 29.76      
17 E' 398 377 29.78      
18 E" 747 707 0.00      
18 E" 747 707 0.00      
19 E" 597 565 0.00      
19 E" 597 565 0.00      
20 E" 144 137 0.00      
20 E" 144 137 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18128.9 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 17159.0 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 CCD/6-31G*
ABC
0.06730 0.06730 0.03365

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.241 0.717 0.000
C2 -1.241 0.717 0.000
C3 0.000 -1.433 0.000
N4 0.000 1.337 0.000
N5 -1.158 -0.669 0.000
N6 1.158 -0.669 0.000
O7 2.289 1.321 0.000
O8 -2.289 1.321 0.000
O9 0.000 -2.643 0.000
H10 0.000 2.351 0.000
H11 -2.036 -1.175 0.000
H12 2.036 -1.175 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.48272.48271.38772.77051.38771.20953.58163.58162.05193.78392.0519
C22.48272.48271.38771.38772.77053.58161.20953.58162.05192.05193.7839
C32.48272.48272.77051.38771.38773.58163.58161.20953.78392.05192.0519
N41.38771.38772.77052.31592.31592.28892.28893.98001.01353.23353.2335
N52.77051.38771.38772.31592.31593.98002.28892.28893.23351.01343.2335
N61.38772.77051.38772.31592.31592.28893.98002.28893.23353.23351.0134
O71.20953.58163.58162.28893.98002.28894.57774.57772.50954.99352.5095
O83.58161.20953.58162.28892.28893.98004.57774.57772.50952.50954.9935
O93.58163.58161.20953.98002.28892.28894.57774.57774.99352.50952.5095
H102.05192.05193.78391.01353.23353.23352.50952.50954.99354.07124.0712
H113.78392.05192.05193.23351.01343.23354.99352.50952.50954.07124.0712
H122.05193.78392.05193.23353.23351.01342.50954.99352.50954.07124.0712

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 126.890 C1 N4 H10 116.555
C1 N6 C3 126.890 C1 N6 H12 116.555
C2 N4 H10 116.555 C2 N5 C3 126.890
C2 N5 H11 116.555 C3 N5 H11 116.555
C3 N6 H12 116.555 N4 C1 N6 113.110
N4 C1 O7 123.445 N4 C2 N5 113.110
N4 C2 O8 123.445 N5 C2 O8 123.445
N5 C3 N6 113.110 N5 C3 O9 123.445
N6 C1 O7 123.445 N6 C3 O9 123.445
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability