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

using model chemistry: CCD/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 CCD/6-31G(2df,p)
 hartrees
Energy at 0K-505.079951
Energy at 298.15K-505.087510
HF Energy-503.441177
Nuclear repulsion energy449.738743
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 CCD/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1' 3714 3518 0.00      
2 A1' 1938 1836 0.00      
3 A1' 1011 958 0.00      
4 A1' 689 652 0.00      
5 A2' 1407 1332 0.00      
6 A2' 1293 1225 0.00      
7 A2' 643 609 0.00      
8 A2" 791 749 89.37      
9 A2" 673 638 278.52      
10 A2" 124 118 0.91      
11 E' 3711 3515 168.11      
11 E' 3711 3515 168.11      
12 E' 1918 1817 971.62      
12 E' 1918 1817 971.65      
13 E' 1522 1442 386.46      
13 E' 1522 1442 386.52      
14 E' 1439 1363 42.07      
14 E' 1439 1363 42.10      
15 E' 1060 1004 13.34      
15 E' 1060 1004 13.34      
16 E' 526 498 23.29      
16 E' 526 498 23.30      
17 E' 402 381 29.43      
17 E' 402 381 29.49      
18 E" 791 749 0.00      
18 E" 791 749 0.00      
19 E" 603 572 0.00      
19 E" 603 572 0.00      
20 E" 150 142 0.00      
20 E" 150 142 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18261.5 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 17297.3 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 CCD/6-31G(2df,p)
ABC
0.06806 0.06806 0.03403

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.236 0.714 0.000
C2 -1.236 0.714 0.000
C3 0.000 -1.428 0.000
N4 0.000 1.332 0.000
N5 -1.154 -0.666 0.000
N6 1.154 -0.666 0.000
O7 2.274 1.313 0.000
O8 -2.274 1.313 0.000
O9 0.000 -2.626 0.000
H10 0.000 2.339 0.000
H11 -2.026 -1.169 0.000
H12 2.026 -1.169 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.47272.47271.38232.75971.38231.19853.56143.56142.04193.76652.0419
C22.47272.47271.38231.38232.75973.56141.19853.56142.04192.04193.7665
C32.47272.47272.75971.38231.38233.56143.56141.19853.76652.04192.0419
N41.38231.38232.75972.30732.30732.27432.27433.95821.00683.21883.2188
N52.75971.38231.38232.30732.30733.95822.27432.27433.21881.00683.2188
N61.38232.75971.38232.30732.30732.27433.95822.27433.21883.21881.0068
O71.19853.56143.56142.27433.95822.27434.54854.54852.49494.96502.4949
O83.56141.19853.56142.27432.27433.95824.54854.54852.49492.49494.9650
O93.56143.56141.19853.95822.27432.27434.54854.54854.96502.49492.4949
H102.04192.04193.76651.00683.21883.21882.49492.49494.96504.05114.0511
H113.76652.04192.04193.21881.00683.21884.96502.49492.49494.05114.0511
H122.04193.76652.04193.21883.21881.00682.49494.96502.49494.05114.0511

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 126.861 C1 N4 H10 116.570
C1 N6 C3 126.861 C1 N6 H12 116.570
C2 N4 H10 116.570 C2 N5 C3 126.861
C2 N5 H11 116.570 C3 N5 H11 116.570
C3 N6 H12 116.570 N4 C1 N6 113.139
N4 C1 O7 123.430 N4 C2 N5 113.139
N4 C2 O8 123.430 N5 C2 O8 123.430
N5 C3 N6 113.139 N5 C3 O9 123.430
N6 C1 O7 123.430 N6 C3 O9 123.430
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability