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

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-503.325902
Energy at 298.15K-503.333624
HF Energy-503.325902
Nuclear repulsion energy443.323282
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 B3LYP/3-21G
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' 3575 3449 0.00      
2 A1' 1815 1751 0.00      
3 A1' 992 957 0.00      
4 A1' 653 630 0.00      
5 A2' 1433 1383 0.00      
6 A2' 1175 1134 0.00      
7 A2' 622 600 0.00      
8 A2" 877 846 397.83      
9 A2" 711 686 161.59      
10 A2" 171 165 3.36      
11 E' 3571 3446 130.64      
11 E' 3571 3446 130.65      
12 E' 1799 1736 686.21      
12 E' 1799 1736 686.20      
13 E' 1441 1390 5.28      
13 E' 1441 1390 5.27      
14 E' 1403 1354 376.92      
14 E' 1403 1354 376.88      
15 E' 1023 987 6.37      
15 E' 1023 987 6.37      
16 E' 512 494 26.40      
16 E' 512 494 26.40      
17 E' 387 374 21.46      
17 E' 387 374 21.46      
18 E" 806 777 0.00      
18 E" 806 777 0.00      
19 E" 685 661 0.00      
19 E" 685 661 0.00      
20 E" 168 162 0.00      
20 E" 168 162 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17806.0 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 17181.0 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 B3LYP/3-21G
ABC
0.06606 0.06606 0.03303

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.251 0.722 0.000
C2 -1.251 0.722 0.000
C3 0.000 -1.445 0.000
N4 0.000 1.343 0.000
N5 -1.163 -0.671 0.000
N6 1.163 -0.671 0.000
O7 2.314 1.336 0.000
O8 -2.314 1.336 0.000
O9 0.000 -2.672 0.000
H10 0.000 2.358 0.000
H11 -2.042 -1.179 0.000
H12 2.042 -1.179 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.50222.50221.39652.78741.39651.22763.61783.61782.05953.80292.0595
C22.50222.50221.39651.39652.78743.61781.22763.61782.05952.05953.8029
C32.50222.50222.78741.39651.39653.61783.61781.22763.80292.05952.0595
N41.39651.39652.78742.32562.32562.31432.31434.01501.01553.24513.2451
N52.78741.39651.39652.32562.32564.01502.31432.31433.24511.01553.2451
N61.39652.78741.39652.32562.32562.31434.01502.31433.24513.24511.0155
O71.22763.61783.61782.31434.01502.31434.62854.62852.52995.03052.5299
O83.61781.22763.61782.31432.31434.01504.62854.62852.52992.52995.0305
O93.61783.61781.22764.01502.31432.31434.62854.62855.03052.52992.5299
H102.05952.05953.80291.01553.24513.24512.52992.52995.03054.08464.0846
H113.80292.05952.05953.24511.01553.24515.03052.52992.52994.08464.0846
H122.05953.80292.05953.24513.24511.01552.52995.03052.52994.08464.0846

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 127.252 C1 N4 H10 116.374
C1 N6 C3 127.252 C1 N6 H12 116.374
C2 N4 H10 116.374 C2 N5 C3 127.252
C2 N5 H11 116.374 C3 N5 H11 116.374
C3 N6 H12 116.374 N4 C1 N6 112.748
N4 C1 O7 123.626 N4 C2 N5 112.748
N4 C2 O8 123.626 N5 C2 O8 123.626
N5 C3 N6 112.748 N5 C3 O9 123.626
N6 C1 O7 123.626 N6 C3 O9 123.626
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability