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

using model chemistry: B2PLYP/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-505.799844
Energy at 298.15K-505.807301
HF Energy-505.260066
Nuclear repulsion energy447.829428
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/6-31G(2df,p)
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' 3664 3499 0.00      
2 A1' 1863 1779 0.00      
3 A1' 994 949 0.00      
4 A1' 668 638 0.00      
5 A2' 1372 1310 0.00      
6 A2' 1233 1178 0.00      
7 A2' 626 597 0.00      
8 A2" 767 732 79.60      
9 A2" 673 642 253.85      
10 A2" 126 121 1.50      
11 E' 3662 3497 156.72      
11 E' 3662 3497 156.69      
12 E' 1848 1765 836.29      
12 E' 1848 1765 836.26      
13 E' 1469 1403 324.82      
13 E' 1469 1403 324.85      
14 E' 1404 1341 43.56      
14 E' 1404 1341 43.55      
15 E' 1033 987 10.13      
15 E' 1033 987 10.13      
16 E' 515 492 24.63      
16 E' 515 492 24.63      
17 E' 390 373 24.64      
17 E' 390 373 24.65      
18 E" 765 731 0.00      
18 E" 765 731 0.00      
19 E" 603 576 0.00      
19 E" 603 576 0.00      
20 E" 151 144 0.00      
20 E" 151 144 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17832.7 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 17030.2 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 B2PLYP/6-31G(2df,p)
ABC
0.06745 0.06745 0.03372

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.242 0.717 0.000
C2 -1.242 0.717 0.000
C3 0.000 -1.434 0.000
N4 0.000 1.335 0.000
N5 -1.156 -0.667 0.000
N6 1.156 -0.667 0.000
O7 2.286 1.320 0.000
O8 -2.286 1.320 0.000
O9 0.000 -2.640 0.000
H10 0.000 2.343 0.000
H11 -2.029 -1.172 0.000
H12 2.029 -1.172 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.48342.48341.38682.76831.38681.20643.57933.57932.04603.77692.0460
C22.48342.48341.38681.38682.76833.57931.20643.57932.04602.04603.7769
C32.48342.48342.76831.38681.38683.57933.57931.20643.77692.04602.0460
N41.38681.38682.76832.31142.31142.28652.28653.97461.00863.22453.2245
N52.76831.38681.38682.31142.31143.97462.28652.28653.22451.00863.2245
N61.38682.76831.38682.31142.31142.28653.97462.28653.22453.22451.0086
O71.20643.57933.57932.28653.97462.28654.57294.57292.50494.98322.5049
O83.57931.20643.57932.28652.28653.97464.57294.57292.50492.50494.9832
O93.57933.57931.20643.97462.28652.28654.57294.57294.98322.50492.5049
H102.04602.04603.77691.00863.22453.22452.50492.50494.98324.05834.0583
H113.77692.04602.04603.22451.00863.22454.98322.50492.50494.05834.0583
H122.04603.77692.04603.22453.22451.00862.50494.98322.50494.05834.0583

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 127.109 C1 N4 H10 116.445
C1 N6 C3 127.109 C1 N6 H12 116.445
C2 N4 H10 116.445 C2 N5 C3 127.109
C2 N5 H11 116.445 C3 N5 H11 116.445
C3 N6 H12 116.445 N4 C1 N6 112.891
N4 C1 O7 123.555 N4 C2 N5 112.891
N4 C2 O8 123.555 N5 C2 O8 123.555
N5 C3 N6 112.891 N5 C3 O9 123.555
N6 C1 O7 123.555 N6 C3 O9 123.555
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability