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

using model chemistry: HF/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at HF/SDD
 hartrees
Energy at 0K-503.222342
Energy at 298.15K-503.230508
HF Energy-503.222342
Nuclear repulsion energy448.120485
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 HF/SDD
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' 3872 3486 0.00      
2 A1' 1910 1720 0.00      
3 A1' 1065 959 0.00      
4 A1' 713 642 0.00      
5 A2' 1588 1430 0.00      
6 A2' 1412 1271 0.00      
7 A2' 667 601 0.00      
8 A2" 951 856 637.46      
9 A2" 752 677 127.36      
10 A2" 194 174 14.88      
11 E' 3868 3483 210.18      
11 E' 3868 3483 210.18      
12 E' 1905 1715 1336.41      
12 E' 1905 1715 1336.41      
13 E' 1578 1420 120.10      
13 E' 1578 1420 120.10      
14 E' 1549 1395 421.04      
14 E' 1549 1395 421.04      
15 E' 1117 1005 8.77      
15 E' 1117 1005 8.77      
16 E' 566 510 34.05      
16 E' 566 510 34.05      
17 E' 415 374 43.61      
17 E' 415 374 43.61      
18 E" 871 784 0.00      
18 E" 871 784 0.00      
19 E" 745 671 0.00      
19 E" 745 671 0.00      
20 E" 185 166 0.00      
20 E" 185 166 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19359.4 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 17431.2 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 HF/SDD
ABC
0.06764 0.06764 0.03382

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.230 0.710 0.000
C2 -1.230 0.710 0.000
C3 0.000 -1.421 0.000
N4 0.000 1.341 0.000
N5 -1.161 -0.670 0.000
N6 1.161 -0.670 0.000
O7 2.284 1.319 0.000
O8 -2.284 1.319 0.000
O9 0.000 -2.637 0.000
H10 0.000 2.339 0.000
H11 -2.025 -1.169 0.000
H12 2.025 -1.169 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.46092.46091.38252.76161.38251.21653.56673.56672.04083.75932.0408
C22.46092.46091.38251.38252.76163.56671.21653.56672.04082.04083.7593
C32.46092.46092.76161.38251.38253.56673.56671.21653.75932.04082.0408
N41.38251.38252.76162.32232.32232.28412.28413.97810.99773.22523.2252
N52.76161.38251.38252.32232.32233.97812.28412.28413.22520.99773.2252
N61.38252.76161.38252.32232.32232.28413.97812.28413.22523.22520.9977
O71.21653.56673.56672.28413.97812.28414.56794.56792.50134.97582.5013
O83.56671.21653.56672.28412.28413.97814.56794.56792.50132.50134.9758
O93.56673.56671.21653.97812.28412.28414.56794.56794.97582.50132.5013
H102.04082.04083.75930.99773.22523.22522.50132.50134.97584.05044.0504
H113.75932.04082.04083.22520.99773.22524.97582.50132.50134.05044.0504
H122.04083.75932.04083.22523.22520.99772.50134.97582.50134.05044.0504

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 125.746 C1 N4 H10 117.127
C1 N6 C3 125.746 C1 N6 H12 117.127
C2 N4 H10 117.127 C2 N5 C3 125.746
C2 N5 H11 117.127 C3 N5 H11 117.127
C3 N6 H12 117.127 N4 C1 N6 114.254
N4 C1 O7 122.873 N4 C2 N5 114.254
N4 C2 O8 122.873 N5 C2 O8 122.873
N5 C3 N6 114.254 N5 C3 O9 122.873
N6 C1 O7 122.873 N6 C3 O9 122.873
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability