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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/3-21G
 hartrees
Energy at 0K-502.729012
Energy at 298.15K-502.736715
HF Energy-502.401163
Nuclear repulsion energy442.391729
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 B2PLYP=FULL/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' 3588 3416 0.00      
2 A1' 1792 1706 0.00      
3 A1' 995 947 0.00      
4 A1' 648 617 0.00      
5 A2' 1440 1371 0.00      
6 A2' 1174 1118 0.00      
7 A2' 623 593 0.00      
8 A2" 868 826 419.45      
9 A2" 714 680 161.66      
10 A2" 168 160 2.57      
11 E' 3585 3413 135.29      
11 E' 3585 3413 135.30      
12 E' 1786 1700 664.91      
12 E' 1786 1700 664.90      
13 E' 1438 1369 0.12      
13 E' 1438 1369 0.12      
14 E' 1404 1336 390.75      
14 E' 1404 1336 390.74      
15 E' 1021 972 9.20      
15 E' 1021 972 9.20      
16 E' 513 488 24.97      
16 E' 513 488 24.96      
17 E' 387 368 21.62      
17 E' 387 368 21.63      
18 E" 800 761 0.00      
18 E" 800 761 0.00      
19 E" 686 653 0.00      
19 E" 686 653 0.00      
20 E" 166 158 0.00      
20 E" 166 158 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17788.6 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 16934.8 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 B2PLYP=FULL/3-21G
ABC
0.06576 0.06576 0.03288

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.254 0.724 0.000
C2 -1.254 0.724 0.000
C3 0.000 -1.447 0.000
N4 0.000 1.344 0.000
N5 -1.164 -0.672 0.000
N6 1.164 -0.672 0.000
O7 2.321 1.340 0.000
O8 -2.321 1.340 0.000
O9 0.000 -2.680 0.000
H10 0.000 2.359 0.000
H11 -2.043 -1.179 0.000
H12 2.043 -1.179 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.50712.50711.39862.79141.39861.23223.62693.62692.06013.80602.0601
C22.50712.50711.39861.39862.79143.62691.23223.62692.06012.06013.8060
C32.50712.50712.79141.39861.39863.62693.62691.23233.80602.06012.0601
N41.39861.39862.79142.32782.32782.32072.32074.02361.01463.24633.2463
N52.79141.39861.39862.32782.32784.02362.32072.32073.24631.01463.2463
N61.39862.79141.39862.32782.32782.32074.02362.32073.24633.24631.0146
O71.23223.62693.62692.32074.02362.32074.64144.64142.53445.03822.5344
O83.62691.23223.62692.32072.32074.02364.64144.64142.53442.53445.0382
O93.62693.62691.23234.02362.32072.32074.64144.64145.03822.53442.5344
H102.06012.06013.80601.01463.24633.24632.53442.53445.03824.08514.0851
H113.80602.06012.06013.24631.01463.24635.03822.53442.53444.08514.0851
H122.06013.80602.06013.24633.24631.01462.53445.03822.53444.08514.0851

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 127.350 C1 N4 H10 116.325
C1 N6 C3 127.350 C1 N6 H12 116.325
C2 N4 H10 116.325 C2 N5 C3 127.350
C2 N5 H11 116.325 C3 N5 H11 116.325
C3 N6 H12 116.325 N4 C1 N6 112.650
N4 C1 O7 123.675 N4 C2 N5 112.650
N4 C2 O8 123.675 N5 C2 O8 123.675
N5 C3 N6 112.650 N5 C3 O9 123.675
N6 C1 O7 123.675 N6 C3 O9 123.675
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability