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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at G4
 hartrees
Energy at 0K-505.951050
Energy at 298.15K-505.943034
HF Energy-506.169899
Nuclear repulsion energy447.636040
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 B3LYP/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' 3641 3514 0.00      
2 A1' 1868 1803 0.00      
3 A1' 989 954 0.00      
4 A1' 667 644 0.00      
5 A2' 1364 1316 0.00      
6 A2' 1213 1170 0.00      
7 A2' 627 605 0.00      
8 A2" 769 742 88.61      
9 A2" 668 645 237.97      
10 A2" 131 127 2.19      
11 E' 3639 3511 143.82      
11 E' 3639 3511 143.81      
12 E' 1847 1782 847.13      
12 E' 1847 1782 847.13      
13 E' 1457 1406 311.32      
13 E' 1457 1406 311.26      
14 E' 1400 1351 59.05      
14 E' 1400 1351 59.05      
15 E' 1026 990 9.32      
15 E' 1026 990 9.33      
16 E' 514 496 26.61      
16 E' 514 496 26.61      
17 E' 390 376 23.94      
17 E' 390 376 23.95      
18 E" 763 736 0.00      
18 E" 763 736 0.00      
19 E" 602 581 0.00      
19 E" 602 581 0.00      
20 E" 154 148 0.00      
20 E" 154 148 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17758.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 17137.1 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 B3LYP/6-31G(2df,p)
ABC
0.06737 0.06737 0.03369

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.243 0.718 0.000
C2 -1.243 0.718 0.000
C3 0.000 -1.435 0.000
N4 0.000 1.337 0.000
N5 -1.157 -0.668 0.000
N6 1.157 -0.668 0.000
O7 2.287 1.320 0.000
O8 -2.287 1.320 0.000
O9 0.000 -2.640 0.000
H10 0.000 2.346 0.000
H11 -2.032 -1.173 0.000
H12 2.032 -1.173 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.48632.48631.38862.77201.38861.20503.58093.58092.04863.78152.0486
C22.48632.48631.38861.38862.77203.58091.20503.58092.04862.04863.7815
C32.48632.48632.77201.38861.38863.58093.58091.20503.78152.04862.0486
N41.38861.38862.77202.31492.31492.28682.28683.97701.00953.22893.2289
N52.77201.38861.38862.31492.31493.97702.28682.28683.22891.00953.2289
N61.38862.77201.38862.31492.31492.28683.97702.28683.22893.22891.0095
O71.20503.58093.58092.28683.97702.28684.57344.57342.50624.98652.5062
O83.58091.20503.58092.28682.28683.97704.57344.57342.50622.50624.9865
O93.58093.58091.20503.97702.28682.28684.57344.57344.98652.50622.5062
H102.04862.04863.78151.00953.22893.22892.50622.50624.98654.06344.0634
H113.78152.04862.04863.22891.00953.22894.98652.50622.50624.06344.0634
H122.04863.78152.04863.22893.22891.00952.50624.98652.50624.06344.0634

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 126.977 C1 N4 H10 116.511
C1 N6 C3 126.977 C1 N6 H12 116.511
C2 N4 H10 116.511 C2 N5 C3 126.977
C2 N5 H11 116.511 C3 N5 H11 116.511
C3 N6 H12 116.511 N4 C1 N6 113.023
N4 C1 O7 123.489 N4 C2 N5 113.023
N4 C2 O8 123.489 N5 C2 O8 123.489
N5 C3 N6 113.023 N5 C3 O9 123.489
N6 C1 O7 123.489 N6 C3 O9 123.489
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability