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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-506.070578
Energy at 298.15K-506.078071
HF Energy-506.070578
Nuclear repulsion energy448.245225
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 B3PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1' 3660 3523 0.00      
2 A1' 1877 1807 0.00      
3 A1' 996 959 0.00      
4 A1' 671 646 0.00      
5 A2' 1401 1349 0.00      
6 A2' 1223 1178 0.00      
7 A2' 634 610 0.00      
8 A2" 775 746 138.69      
9 A2" 679 653 262.05      
10 A2" 132 127 1.74      
11 E' 3657 3521 132.09      
11 E' 3657 3521 132.09      
12 E' 1859 1790 980.89      
12 E' 1859 1790 980.83      
13 E' 1480 1425 280.46      
13 E' 1480 1425 280.43      
14 E' 1424 1371 118.42      
14 E' 1424 1371 118.45      
15 E' 1039 1001 11.75      
15 E' 1039 1001 11.75      
16 E' 519 500 26.41      
16 E' 519 500 26.41      
17 E' 394 379 24.77      
17 E' 394 379 24.77      
18 E" 764 735 0.00      
18 E" 764 735 0.00      
19 E" 610 588 0.00      
19 E" 610 588 0.00      
20 E" 150 144 0.00      
20 E" 150 144 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17919.6 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 17251.2 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 B3PW91/6-311G*
ABC
0.06758 0.06758 0.03379

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

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 1.335 0.000
N5 -1.156 -0.667 0.000
N6 1.156 -0.667 0.000
O7 2.283 1.318 0.000
O8 -2.283 1.318 0.000
O9 0.000 -2.636 0.000
H10 0.000 2.344 0.000
H11 -2.030 -1.172 0.000
H12 2.030 -1.172 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.48212.48211.38652.76771.38651.20333.57523.57522.04633.77662.0463
C22.48212.48211.38651.38652.76773.57521.20333.57522.04632.04633.7766
C32.48212.48212.76771.38651.38653.57523.57521.20333.77662.04632.0463
N41.38651.38652.76772.31172.31172.28322.28323.97101.00893.22513.2251
N52.76771.38651.38652.31172.31173.97102.28322.28323.22511.00893.2251
N61.38652.76771.38652.31172.31172.28323.97102.28323.22513.22511.0089
O71.20333.57523.57522.28323.97102.28324.56634.56632.50284.97992.5028
O83.57521.20333.57522.28322.28323.97104.56634.56632.50282.50284.9799
O93.57523.57521.20333.97102.28322.28324.56634.56634.97992.50282.5028
H102.04632.04633.77661.00893.22513.22512.50282.50284.97994.05924.0592
H113.77662.04632.04633.22511.00893.22514.97992.50282.50284.05924.0592
H122.04633.77662.04633.22513.22511.00892.50284.97992.50284.05924.0592

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 127.048 C1 N4 H10 116.476
C1 N6 C3 127.048 C1 N6 H12 116.476
C2 N4 H10 116.476 C2 N5 C3 127.048
C2 N5 H11 116.476 C3 N5 H11 116.476
C3 N6 H12 116.476 N4 C1 N6 112.952
N4 C1 O7 123.524 N4 C2 N5 112.952
N4 C2 O8 123.524 N5 C2 O8 123.524
N5 C3 N6 112.952 N5 C3 O9 123.524
N6 C1 O7 123.524 N6 C3 O9 123.524
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability