return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: PBE1PBE/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-505.792442
Energy at 298.15K-505.800015
HF Energy-505.792442
Nuclear repulsion energy449.883507
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/aug-cc-pVTZ
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' 3655 3514 0.00      
2 A1' 1868 1796 0.00      
3 A1' 1001 963 0.00      
4 A1' 678 652 0.00      
5 A2' 1379 1326 0.00      
6 A2' 1252 1204 0.00      
7 A2' 635 610 0.00      
8 A2" 776 746 94.40      
9 A2" 668 643 230.32      
10 A2" 135 130 3.47      
11 E' 3653 3512 165.77      
11 E' 3653 3512 165.80      
12 E' 1843 1772 1046.97      
12 E' 1843 1772 1046.91      
13 E' 1490 1433 339.96      
13 E' 1490 1433 339.97      
14 E' 1413 1359 51.53      
14 E' 1413 1359 51.55      
15 E' 1043 1002 14.12      
15 E' 1043 1002 14.12      
16 E' 522 502 26.72      
16 E' 522 502 26.71      
17 E' 395 380 26.56      
17 E' 395 380 26.56      
18 E" 771 742 0.00      
18 E" 771 742 0.00      
19 E" 606 583 0.00      
19 E" 606 583 0.00      
20 E" 158 152 0.00      
20 E" 158 152 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17917.1 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 17227.3 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/aug-cc-pVTZ
ABC
0.06813 0.06813 0.03407

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVTZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.233 0.712 0.000
C2 -1.233 0.712 0.000
C3 0.000 -1.423 0.000
N4 0.000 1.331 0.000
N5 -1.153 -0.666 0.000
N6 1.153 -0.666 0.000
O7 2.274 1.313 0.000
O8 -2.274 1.313 0.000
O9 0.000 -2.626 0.000
H10 0.000 2.339 0.000
H11 -2.025 -1.169 0.000
H12 2.025 -1.169 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.46522.46521.37952.75441.37951.20293.55813.55812.04133.76212.0413
C22.46522.46521.37951.37952.75443.55811.20293.55812.04132.04133.7621
C32.46522.46522.75441.37951.37953.55813.55811.20293.76212.04132.0413
N41.37951.37952.75442.30562.30562.27442.27443.95731.00773.21793.2179
N52.75441.37951.37952.30562.30563.95732.27442.27443.21791.00773.2179
N61.37952.75441.37952.30562.30562.27443.95732.27443.21793.21791.0077
O71.20293.55813.55812.27443.95732.27444.54874.54872.49494.96502.4949
O83.55811.20293.55812.27442.27443.95734.54874.54872.49492.49494.9650
O93.55813.55811.20293.95732.27442.27444.54874.54874.96502.49492.4949
H102.04132.04133.76211.00773.21793.21792.49492.49494.96504.05094.0509
H113.76212.04132.04133.21791.00773.21794.96502.49492.49494.05094.0509
H122.04133.76212.04133.21793.21791.00772.49494.96502.49494.05094.0509

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 126.632 C1 N4 H10 116.684
C1 N6 C3 126.632 C1 N6 H12 116.684
C2 N4 H10 116.684 C2 N5 C3 126.632
C2 N5 H11 116.684 C3 N5 H11 116.684
C3 N6 H12 116.684 N4 C1 N6 113.368
N4 C1 O7 123.316 N4 C2 N5 113.368
N4 C2 O8 123.316 N5 C2 O8 123.316
N5 C3 N6 113.368 N5 C3 O9 123.316
N6 C1 O7 123.316 N6 C3 O9 123.316
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability