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

using model chemistry: TPSSh/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 TPSSh/6-31G**
 hartrees
Energy at 0K-506.147423
Energy at 298.15K-506.154754
HF Energy-506.147423
Nuclear repulsion energy445.683555
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 TPSSh/6-31G**
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' 3634 3484 0.00      
2 A1' 1858 1781 0.00      
3 A1' 983 943 0.00      
4 A1' 663 636 0.00      
5 A2' 1365 1309 0.00      
6 A2' 1207 1157 0.00      
7 A2' 610 585 0.00      
8 A2" 722 693 73.43      
9 A2" 667 640 316.24      
10 A2" 126 120 0.88      
11 E' 3632 3482 146.83      
11 E' 3632 3482 146.85      
12 E' 1841 1765 855.03      
12 E' 1841 1765 855.13      
13 E' 1458 1398 304.77      
13 E' 1458 1398 304.70      
14 E' 1397 1339 71.42      
14 E' 1396 1339 71.41      
15 E' 1020 978 9.44      
15 E' 1020 978 9.45      
16 E' 507 487 24.16      
16 E' 507 487 24.16      
17 E' 381 365 23.60      
17 E' 381 365 23.61      
18 E" 733 703 0.00      
18 E" 733 703 0.00      
19 E" 595 571 0.00      
19 E" 595 571 0.00      
20 E" 151 145 0.00      
20 E" 151 145 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17634.2 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 16905.9 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 TPSSh/6-31G**
ABC
0.06679 0.06679 0.03340

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.246 0.720 0.000
C2 -1.246 0.720 0.000
C3 0.000 -1.439 0.000
N4 0.000 1.339 0.000
N5 -1.160 -0.670 0.000
N6 1.160 -0.670 0.000
O7 2.299 1.327 0.000
O8 -2.299 1.327 0.000
O9 0.000 -2.654 0.000
H10 0.000 2.352 0.000
H11 -2.037 -1.176 0.000
H12 2.037 -1.176 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.49292.49291.39202.77871.39201.21523.59703.59702.05353.79092.0535
C22.49292.49291.39201.39202.77873.59701.21523.59702.05352.05353.7909
C32.49292.49292.77871.39201.39203.59703.59701.21523.79092.05352.0535
N41.39201.39202.77872.31992.31992.29892.29893.99391.01223.23633.2363
N52.77871.39201.39202.31992.31993.99392.29892.29893.23631.01223.2363
N61.39202.77871.39202.31992.31992.29893.99392.29893.23633.23631.0122
O71.21523.59703.59702.29893.99392.29894.59774.59772.51675.00612.5167
O83.59701.21523.59702.29892.29893.99394.59774.59772.51672.51675.0061
O93.59703.59701.21523.99392.29892.29894.59774.59775.00612.51672.5167
H102.05352.05353.79091.01223.23633.23632.51672.51675.00614.07304.0730
H113.79092.05352.05353.23631.01223.23635.00612.51672.51674.07304.0730
H122.05353.79092.05353.23633.23631.01222.51675.00612.51674.07304.0730

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 127.128 C1 N4 H10 116.436
C1 N6 C3 127.128 C1 N6 H12 116.436
C2 N4 H10 116.436 C2 N5 C3 127.128
C2 N5 H11 116.436 C3 N5 H11 116.436
C3 N6 H12 116.436 N4 C1 N6 112.872
N4 C1 O7 123.564 N4 C2 N5 112.872
N4 C2 O8 123.564 N5 C2 O8 123.564
N5 C3 N6 112.872 N5 C3 O9 123.564
N6 C1 O7 123.564 N6 C3 O9 123.564
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability