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: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-503.221205
Energy at 298.15K-503.229369
HF Energy-503.221205
Nuclear repulsion energy448.144491
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 HF/LANL2DZ
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' 3873 3485 0.00      
2 A1' 1909 1718 0.00      
3 A1' 1065 959 0.00      
4 A1' 713 641 0.00      
5 A2' 1589 1430 0.00      
6 A2' 1414 1272 0.00      
7 A2' 667 601 0.00      
8 A2" 951 856 638.46      
9 A2" 752 677 127.37      
10 A2" 194 174 14.86      
11 E' 3869 3482 209.74      
11 E' 3869 3482 209.74      
12 E' 1905 1714 1333.48      
12 E' 1905 1714 1333.48      
13 E' 1578 1420 127.24      
13 E' 1578 1420 127.24      
14 E' 1549 1394 412.13      
14 E' 1549 1394 412.13      
15 E' 1117 1005 8.68      
15 E' 1117 1005 8.68      
16 E' 566 509 34.10      
16 E' 566 509 34.10      
17 E' 415 374 43.65      
17 E' 415 374 43.65      
18 E" 871 784 0.00      
18 E" 871 784 0.00      
19 E" 746 671 0.00      
19 E" 746 671 0.00      
20 E" 185 166 0.00      
20 E" 185 166 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19363.9 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 17425.6 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 HF/LANL2DZ
ABC
0.06764 0.06764 0.03382

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.230 0.710 0.000
C2 -1.230 0.710 0.000
C3 0.000 -1.421 0.000
N4 0.000 1.341 0.000
N5 -1.161 -0.670 0.000
N6 1.161 -0.670 0.000
O7 2.284 1.319 0.000
O8 -2.284 1.319 0.000
O9 0.000 -2.637 0.000
H10 0.000 2.338 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
C12.46042.46041.38232.76121.38231.21673.56643.56642.04063.75892.0406
C22.46042.46041.38231.38232.76123.56641.21673.56642.04062.04063.7589
C32.46042.46042.76121.38231.38233.56643.56641.21673.75892.04062.0406
N41.38231.38232.76122.32222.32222.28402.28403.97790.99773.22503.2250
N52.76121.38231.38232.32222.32223.97792.28402.28403.22500.99773.2250
N61.38232.76121.38232.32222.32222.28403.97792.28403.22503.22500.9977
O71.21673.56643.56642.28403.97792.28404.56784.56782.50124.97562.5012
O83.56641.21673.56642.28402.28403.97794.56784.56782.50122.50124.9756
O93.56643.56641.21673.97792.28402.28404.56784.56784.97562.50122.5012
H102.04062.04063.75890.99773.22503.22502.50122.50124.97564.05024.0502
H113.75892.04062.04063.22500.99773.22504.97562.50122.50124.05024.0502
H122.04063.75892.04063.22503.22500.99772.50124.97562.50124.05024.0502

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 125.731 C1 N4 H10 117.135
C1 N6 C3 125.731 C1 N6 H12 117.135
C2 N4 H10 117.135 C2 N5 C3 125.731
C2 N5 H11 117.135 C3 N5 H11 117.135
C3 N6 H12 117.135 N4 C1 N6 114.269
N4 C1 O7 122.865 N4 C2 N5 114.269
N4 C2 O8 122.865 N5 C2 O8 122.865
N5 C3 N6 114.269 N5 C3 O9 122.865
N6 C1 O7 122.865 N6 C3 O9 122.865
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability