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

using model chemistry: LSDA/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 LSDA/6-31G**
 hartrees
Energy at 0K-503.543876
Energy at 298.15K-503.551206
HF Energy-503.543876
Nuclear repulsion energy447.930459
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 LSDA/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' 3560 3493 0.00      
2 A1' 1876 1841 0.00      
3 A1' 978 960 0.00      
4 A1' 668 656 0.00      
5 A2' 1300 1275 0.00      
6 A2' 1233 1210 0.00      
7 A2' 602 591 0.00      
8 A2" 730 716 107.21      
9 A2" 661 649 260.94      
10 A2" 130 127 1.59      
11 E' 3557 3490 178.91      
11 E' 3557 3490 178.92      
12 E' 1855 1820 779.05      
12 E' 1855 1820 779.12      
13 E' 1467 1439 329.61      
13 E' 1467 1439 329.57      
14 E' 1349 1324 5.03      
14 E' 1349 1324 5.04      
15 E' 1006 987 2.86      
15 E' 1006 987 2.86      
16 E' 505 495 21.58      
16 E' 505 495 21.58      
17 E' 379 372 23.72      
17 E' 379 372 23.72      
18 E" 731 717 0.00      
18 E" 731 717 0.00      
19 E" 596 585 0.00      
19 E" 596 585 0.00      
20 E" 156 153 0.00      
20 E" 156 153 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17468.0 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 17141.3 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 LSDA/6-31G**
ABC
0.06751 0.06751 0.03376

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.238 0.715 0.000
C2 -1.238 0.715 0.000
C3 0.000 -1.429 0.000
N4 0.000 1.329 0.000
N5 -1.151 -0.664 0.000
N6 1.151 -0.664 0.000
O7 2.288 1.321 0.000
O8 -2.288 1.321 0.000
O9 0.000 -2.642 0.000
H10 0.000 2.350 0.000
H11 -2.035 -1.175 0.000
H12 2.035 -1.175 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.47562.47561.38182.75821.38181.21273.57763.57762.05103.77932.0510
C22.47562.47561.38181.38182.75823.57761.21273.57762.05102.05103.7793
C32.47562.47562.75821.38181.38183.57763.57761.21273.77932.05102.0510
N41.38181.38182.75822.30182.30182.28812.28813.97101.02113.22673.2267
N52.75821.38181.38182.30182.30183.97102.28812.28813.22671.02113.2267
N61.38182.75821.38182.30182.30182.28813.97102.28813.22673.22671.0211
O71.21273.57763.57762.28813.97102.28814.57614.57612.50884.99202.5088
O83.57761.21273.57762.28812.28813.97104.57614.57612.50882.50884.9920
O93.57763.57761.21273.97102.28812.28814.57614.57614.99202.50882.5088
H102.05102.05103.77931.02113.22673.22672.50882.50884.99204.07044.0704
H113.77932.05102.05103.22671.02113.22674.99202.50882.50884.07044.0704
H122.05103.77932.05103.22673.22671.02112.50884.99202.50884.07044.0704

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 127.211 C1 N4 H10 116.395
C1 N6 C3 127.211 C1 N6 H12 116.395
C2 N4 H10 116.395 C2 N5 C3 127.211
C2 N5 H11 116.395 C3 N5 H11 116.395
C3 N6 H12 116.395 N4 C1 N6 112.789
N4 C1 O7 123.605 N4 C2 N5 112.789
N4 C2 O8 123.605 N5 C2 O8 123.605
N5 C3 N6 112.789 N5 C3 O9 123.605
N6 C1 O7 123.605 N6 C3 O9 123.605
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability