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

using model chemistry: HF/CEP-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 HF/CEP-31G*
 hartrees
Energy at 0K-94.436166
Energy at 298.15K-94.443881
HF Energy-94.436166
Nuclear repulsion energy235.138010
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/CEP-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' 3867 3472 0.00      
2 A1' 2023 1817 0.00      
3 A1' 1058 950 0.00      
4 A1' 718 645 0.00      
5 A2' 1512 1357 0.00      
6 A2' 1359 1221 0.00      
7 A2' 681 611 0.00      
8 A2" 834 749 144.73      
9 A2" 686 616 388.52      
10 A2" 129 115 0.86      
11 E' 3863 3469 211.21      
11 E' 3863 3469 211.21      
12 E' 1995 1792 1443.49      
12 E' 1995 1792 1443.49      
13 E' 1607 1443 372.41      
13 E' 1607 1443 372.41      
14 E' 1522 1367 169.55      
14 E' 1522 1367 169.55      
15 E' 1114 1000 18.05      
15 E' 1114 1000 18.05      
16 E' 551 495 29.81      
16 E' 551 495 29.81      
17 E' 424 380 37.70      
17 E' 424 380 37.70      
18 E" 824 740 0.00      
18 E" 824 740 0.00      
19 E" 612 550 0.00      
19 E" 612 550 0.00      
20 E" 147 132 0.00      
20 E" 147 132 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19091.2 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 17143.9 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 HF/CEP-31G*
ABC
0.06805 0.06805 0.03402

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.234 0.713 0.000
C2 -1.234 0.713 0.000
C3 0.000 -1.425 0.000
N4 0.000 1.339 0.000
N5 -1.160 -0.670 0.000
N6 1.160 -0.670 0.000
O7 2.272 1.312 0.000
O8 -2.272 1.312 0.000
O9 0.000 -2.624 0.000
H10 0.000 2.343 0.000
H11 -2.029 -1.171 0.000
H12 2.029 -1.171 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.46892.46891.38442.76481.38441.19843.55763.55762.04473.76812.0447
C22.46892.46891.38441.38442.76483.55761.19843.55762.04472.04473.7681
C32.46892.46892.76481.38441.38443.55763.55761.19843.76822.04472.0447
N41.38441.38442.76482.31992.31992.27252.27253.96321.00343.22803.2280
N52.76481.38441.38442.31992.31993.96322.27252.27253.22801.00343.2280
N61.38442.76481.38442.31992.31992.27253.96322.27253.22803.22801.0034
O71.19843.55763.55762.27253.96322.27254.54464.54462.49524.96662.4952
O83.55761.19843.55762.27252.27253.96324.54464.54462.49522.49524.9666
O93.55763.55761.19843.96322.27252.27254.54464.54464.96662.49522.4952
H102.04472.04473.76821.00343.22803.22802.49522.49524.96664.05774.0577
H113.76812.04472.04473.22801.00343.22804.96662.49522.49524.05774.0577
H122.04473.76812.04473.22803.22801.00342.49524.96662.49524.05774.0577

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 126.170 C1 N4 H10 116.915
C1 N6 C3 126.170 C1 N6 H12 116.915
C2 N4 H10 116.915 C2 N5 C3 126.170
C2 N5 H11 116.915 C3 N5 H11 116.915
C3 N6 H12 116.915 N4 C1 N6 113.830
N4 C1 O7 123.085 N4 C2 N5 113.830
N4 C2 O8 123.085 N5 C2 O8 123.085
N5 C3 N6 113.830 N5 C3 O9 123.085
N6 C1 O7 123.085 N6 C3 O9 123.085
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability