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: B3LYPultrafine/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 B3LYPultrafine/6-31G**
 hartrees
Energy at 0K-506.137269
Energy at 298.15K-506.144674
HF Energy-506.137269
Nuclear repulsion energy446.251944
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 B3LYPultrafine/6-31G**
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' 3647 3504 0.00      
2 A1' 1874 1801 0.00      
3 A1' 988 950 0.00      
4 A1' 668 642 0.00      
5 A2' 1369 1315 0.00      
6 A2' 1214 1166 0.00      
7 A2' 627 602 0.00      
8 A2" 739 710 92.66      
9 A2" 665 639 300.41      
10 A2" 129 124 1.12      
11 E' 3645 3502 153.59      
11 E' 3645 3502 153.59      
12 E' 1853 1781 875.09      
12 E' 1853 1781 875.15      
13 E' 1466 1408 321.32      
13 E' 1466 1408 321.28      
14 E' 1402 1347 66.50      
14 E' 1402 1347 66.50      
15 E' 1026 985 10.02      
15 E' 1026 985 10.02      
16 E' 517 497 26.15      
16 E' 517 497 26.15      
17 E' 389 374 23.80      
17 E' 389 374 23.80      
18 E" 743 714 0.00      
18 E" 743 714 0.00      
19 E" 597 574 0.00      
19 E" 597 574 0.00      
20 E" 153 147 0.00      
20 E" 153 147 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17748.9 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 17053.2 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 B3LYPultrafine/6-31G**
ABC
0.06698 0.06698 0.03349

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.245 0.719 0.000
C2 -1.245 0.719 0.000
C3 0.000 -1.438 0.000
N4 0.000 1.340 0.000
N5 -1.160 -0.670 0.000
N6 1.160 -0.670 0.000
O7 2.294 1.325 0.000
O8 -2.294 1.325 0.000
O9 0.000 -2.649 0.000
H10 0.000 2.351 0.000
H11 -2.036 -1.176 0.000
H12 2.036 -1.176 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.49022.49021.39142.77761.39141.21163.59103.59102.05303.78892.0530
C22.49022.49021.39141.39142.77763.59101.21163.59102.05302.05303.7889
C32.49022.49022.77761.39141.39143.59103.59101.21163.78892.05302.0530
N41.39141.39142.77762.32082.32082.29442.29443.98921.01133.23633.2363
N52.77761.39141.39142.32082.32083.98922.29442.29443.23631.01133.2363
N61.39142.77761.39142.32082.32082.29443.98922.29443.23633.23631.0113
O71.21163.59103.59102.29443.98922.29444.58884.58882.51365.00052.5136
O83.59101.21163.59102.29442.29443.98924.58884.58882.51362.51365.0005
O93.59103.59101.21163.98922.29442.29444.58884.58885.00052.51362.5136
H102.05302.05303.78891.01133.23633.23632.51362.51365.00054.07244.0724
H113.78892.05302.05303.23631.01133.23635.00052.51362.51364.07244.0724
H122.05303.78892.05303.23633.23631.01132.51365.00052.51364.07244.0724

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 126.981 C1 N4 H10 116.510
C1 N6 C3 126.981 C1 N6 H12 116.510
C2 N4 H10 116.510 C2 N5 C3 126.981
C2 N5 H11 116.510 C3 N5 H11 116.510
C3 N6 H12 116.510 N4 C1 N6 113.019
N4 C1 O7 123.490 N4 C2 N5 113.019
N4 C2 O8 123.490 N5 C2 O8 123.490
N5 C3 N6 113.019 N5 C3 O9 123.490
N6 C1 O7 123.490 N6 C3 O9 123.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability