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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-503.142152
Energy at 298.15K-503.149924
HF Energy-503.142152
Nuclear repulsion energy444.239916
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 B3PW91/3-21G
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' 3601 3461 0.00      
2 A1' 1831 1760 0.00      
3 A1' 997 959 0.00      
4 A1' 660 634 0.00      
5 A2' 1436 1380 0.00      
6 A2' 1203 1156 0.00      
7 A2' 625 601 0.00      
8 A2" 890 856 418.82      
9 A2" 715 688 166.66      
10 A2" 174 167 3.79      
11 E' 3597 3458 148.66      
11 E' 3597 3458 148.65      
12 E' 1815 1744 703.98      
12 E' 1815 1744 703.96      
13 E' 1446 1390 29.01      
13 E' 1446 1390 28.96      
14 E' 1421 1366 351.41      
14 E' 1421 1366 351.44      
15 E' 1034 994 4.77      
15 E' 1034 994 4.77      
16 E' 515 495 24.89      
16 E' 515 495 24.88      
17 E' 389 374 22.33      
17 E' 389 374 22.32      
18 E" 816 784 0.00      
18 E" 816 784 0.00      
19 E" 692 665 0.00      
19 E" 692 665 0.00      
20 E" 170 164 0.00      
20 E" 170 164 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17960.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 17263.2 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 B3PW91/3-21G
ABC
0.06634 0.06634 0.03317

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.248 0.720 0.000
C2 -1.248 0.720 0.000
C3 0.000 -1.441 0.000
N4 0.000 1.339 0.000
N5 -1.159 -0.669 0.000
N6 1.159 -0.669 0.000
O7 2.310 1.334 0.000
O8 -2.310 1.334 0.000
O9 0.000 -2.668 0.000
H10 0.000 2.354 0.000
H11 -2.039 -1.177 0.000
H12 2.039 -1.177 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.49512.49511.39252.77931.39241.22703.61023.61022.05563.79452.0556
C22.49512.49511.39251.39242.77933.61021.22703.61022.05562.05563.7945
C32.49512.49512.77931.39251.39253.61023.61021.22703.79452.05562.0556
N41.39251.39252.77932.31892.31892.31022.31024.00631.01523.23813.2381
N52.77931.39241.39252.31892.31894.00632.31022.31023.23811.01523.2381
N61.39242.77931.39252.31892.31892.31024.00632.31023.23813.23811.0152
O71.22703.61023.61022.31024.00632.31024.62034.62032.52545.02152.5254
O83.61021.22703.61022.31022.31024.00634.62034.62032.52542.52545.0215
O93.61023.61021.22704.00632.31022.31024.62034.62035.02152.52542.5254
H102.05562.05563.79451.01523.23813.23812.52542.52545.02154.07724.0772
H113.79452.05562.05563.23811.01523.23815.02152.52542.52544.07724.0772
H122.05563.79452.05563.23813.23811.01522.52545.02152.52544.07724.0772

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 127.254 C1 N4 H10 116.373
C1 N6 C3 127.254 C1 N6 H12 116.373
C2 N4 H10 116.373 C2 N5 C3 127.254
C2 N5 H11 116.373 C3 N5 H11 116.373
C3 N6 H12 116.373 N4 C1 N6 112.746
N4 C1 O7 123.627 N4 C2 N5 112.746
N4 C2 O8 123.627 N5 C2 O8 123.627
N5 C3 N6 112.746 N5 C3 O9 123.627
N6 C1 O7 123.627 N6 C3 O9 123.627
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability