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: CCSD(T)/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 CCSD(T)/6-31G*
 hartrees
Energy at 0K-504.820794
Energy at 298.15K-504.828058
HF Energy-503.379278
Nuclear repulsion energy445.230023
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 CCSD(T)/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' 3623 3486        
2 A1' 1878 1806        
3 A1' 997 959        
4 A1' 672 647        
5 A2' 1393 1340        
6 A2' 1260 1212        
7 A2' 619 596        
8 A2" 697 670        
9 A2" 659 634        
10 A2" 110 105        
11 E' 3621 3484        
11 E' 3621 3483        
12 E' 1865 1795        
12 E' 1865 1794        
13 E' 1493 1437        
13 E' 1493 1436        
14 E' 1420 1366        
14 E' 1419 1365        
15 E' 1043 1003        
15 E' 1041 1002        
16 E' 518 499        
16 E' 517 498        
17 E' 387 372        
17 E' 386 372        
18 E" 720 693        
18 E" 720 693        
19 E" 589 566        
19 E" 588 566        
20 E" 140 135        
20 E" 140 135        

Unscaled Zero Point Vibrational Energy (zpe) 17746.8 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 17074.2 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 CCSD(T)/6-31G*
ABC
0.06667 0.06667 0.03334

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.247 0.720 0.000
C2 -1.247 0.720 0.000
C3 0.000 -1.440 0.000
N4 0.000 1.340 0.000
N5 -1.161 -0.670 0.000
N6 1.161 -0.670 0.000
O7 2.301 1.329 0.000
O8 -2.301 1.329 0.000
O9 0.000 -2.657 0.000
H10 0.000 2.357 0.000
H11 -2.041 -1.178 0.000
H12 2.041 -1.178 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.49402.49401.39282.78031.39281.21723.60003.60002.05753.79642.0575
C22.49402.49401.39281.39282.78033.60001.21723.60002.05752.05753.7964
C32.49402.49402.78031.39281.39283.60003.60001.21723.79642.05752.0575
N41.39281.39282.78032.32162.32162.30122.30123.99751.01623.24173.2417
N52.78031.39281.39282.32162.32163.99752.30122.30123.24171.01623.2417
N61.39282.78031.39282.32162.32162.30123.99752.30123.24173.24171.0162
O71.21723.60003.60002.30123.99752.30124.60234.60232.52035.01372.5203
O83.60001.21723.60002.30122.30123.99754.60234.60232.52032.52035.0137
O93.60003.60001.21723.99752.30122.30124.60234.60235.01372.52032.5203
H102.05752.05753.79641.01623.24173.24172.52032.52035.01374.08164.0816
H113.79642.05752.05753.24171.01623.24175.01372.52032.52034.08164.0816
H122.05753.79642.05753.24173.24171.01622.52035.01372.52034.08164.0816

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 127.098 C1 N4 H10 116.451
C1 N6 C3 127.098 C1 N6 H12 116.451
C2 N4 H10 116.451 C2 N5 C3 127.098
C2 N5 H11 116.451 C3 N5 H11 116.451
C3 N6 H12 116.451 N4 C1 N6 112.902
N4 C1 O7 123.549 N4 C2 N5 112.902
N4 C2 O8 123.549 N5 C2 O8 123.549
N5 C3 N6 112.902 N5 C3 O9 123.549
N6 C1 O7 123.549 N6 C3 O9 123.549
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability