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

using model chemistry: PBE1PBE/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 PBE1PBE/3-21G*
 hartrees
Energy at 0K-502.793804
Energy at 298.15K-502.801616
HF Energy-502.793804
Nuclear repulsion energy445.145384
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 PBE1PBE/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' 3615 3470 0.00      
2 A1' 1852 1778 0.00      
3 A1' 1006 966 0.00      
4 A1' 668 642 0.00      
5 A2' 1439 1381 0.00      
6 A2' 1230 1181 0.00      
7 A2' 628 603 0.00      
8 A2" 902 866 432.29      
9 A2" 720 691 168.12      
10 A2" 177 170 4.00      
11 E' 3611 3466 156.80      
11 E' 3611 3466 156.81      
12 E' 1835 1761 729.29      
12 E' 1835 1761 729.24      
13 E' 1456 1398 111.96      
13 E' 1456 1398 112.00      
14 E' 1436 1378 273.91      
14 E' 1436 1378 273.91      
15 E' 1044 1002 4.17      
15 E' 1044 1002 4.17      
16 E' 519 498 24.03      
16 E' 519 498 24.03      
17 E' 392 376 23.57      
17 E' 392 376 23.57      
18 E" 825 791 0.00      
18 E" 825 791 0.00      
19 E" 698 670 0.00      
19 E" 698 670 0.00      
20 E" 173 166 0.00      
20 E" 173 166 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18107.3 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 17379.4 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 PBE1PBE/3-21G*
ABC
0.06662 0.06662 0.03331

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.244 0.719 0.000
C2 -1.244 0.719 0.000
C3 0.000 -1.437 0.000
N4 0.000 1.336 0.000
N5 -1.157 -0.668 0.000
N6 1.157 -0.668 0.000
O7 2.305 1.331 0.000
O8 -2.305 1.331 0.000
O9 0.000 -2.662 0.000
H10 0.000 2.351 0.000
H11 -2.036 -1.175 0.000
H12 2.036 -1.175 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.48902.48901.38932.77301.38931.22503.60233.60232.05263.78782.0526
C22.48902.48901.38931.38932.77303.60231.22503.60232.05262.05263.7878
C32.48902.48902.77301.38931.38933.60233.60231.22503.78782.05262.0526
N41.38931.38932.77302.31402.31402.30542.30543.99801.01483.23293.2329
N52.77301.38931.38932.31402.31403.99802.30542.30533.23291.01483.2329
N61.38932.77301.38932.31402.31402.30543.99802.30533.23293.23291.0148
O71.22503.60233.60232.30543.99802.30544.61074.61072.52085.01282.5208
O83.60231.22503.60232.30542.30543.99804.61074.61072.52082.52085.0128
O93.60233.60231.22503.99802.30532.30534.61074.61075.01282.52082.5208
H102.05262.05263.78781.01483.23293.23292.52082.52085.01284.07164.0716
H113.78782.05262.05263.23291.01483.23295.01282.52082.52084.07164.0717
H122.05263.78782.05263.23293.23291.01482.52085.01282.52084.07164.0717

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 127.220 C1 N4 H10 116.390
C1 N6 C3 127.220 C1 N6 H12 116.390
C2 N4 H10 116.390 C2 N5 C3 127.220
C2 N5 H11 116.390 C3 N5 H11 116.390
C3 N6 H12 116.390 N4 C1 N6 112.780
N4 C1 O7 123.610 N4 C2 N5 112.780
N4 C2 O8 123.610 N5 C2 O8 123.610
N5 C3 N6 112.780 N5 C3 O9 123.610
N6 C1 O7 123.610 N6 C3 O9 123.610
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability