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

using model chemistry: CCSD/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 CCSD/6-31G*
 hartrees
Energy at 0K-504.770276
Energy at 298.15K-504.777664
HF Energy-503.381884
Nuclear repulsion energy446.625121
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 CCSD/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' 3652 3449 0.00      
2 A1' 1913 1806 0.00      
3 A1' 1009 953 0.00      
4 A1' 685 647 0.00      
5 A2' 1414 1335 0.00      
6 A2' 1287 1215 0.00      
7 A2' 633 598 0.00      
8 A2" 724 684 96.60      
9 A2" 667 629 382.08      
10 A2" 118 111 0.07      
11 E' 3650 3447 162.90      
11 E' 3650 3447 162.90      
12 E' 1896 1790 972.23      
12 E' 1896 1790 972.25      
13 E' 1519 1435 379.31      
13 E' 1519 1435 379.32      
14 E' 1440 1360 44.70      
14 E' 1440 1360 44.70      
15 E' 1058 999 14.77      
15 E' 1058 999 14.78      
16 E' 526 497 22.95      
16 E' 526 497 22.95      
17 E' 395 373 28.97      
17 E' 395 373 28.99      
18 E" 741 699 0.00      
18 E" 741 699 0.00      
19 E" 596 562 0.00      
19 E" 596 562 0.00      
20 E" 144 136 0.00      
20 E" 144 136 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18013.9 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 17010.5 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 CCSD/6-31G*
ABC
0.06711 0.06711 0.03356

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

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 1.338 0.000
N5 -1.159 -0.669 0.000
N6 1.159 -0.669 0.000
O7 2.293 1.324 0.000
O8 -2.293 1.324 0.000
O9 0.000 -2.647 0.000
H10 0.000 2.352 0.000
H11 -2.037 -1.176 0.000
H12 2.037 -1.176 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.48562.48561.38912.77301.38911.21233.58713.58712.05333.78712.0533
C22.48562.48561.38911.38912.77303.58711.21233.58712.05332.05333.7871
C32.48562.48562.77301.38911.38913.58713.58711.21233.78712.05332.0533
N41.38911.38912.77302.31742.31742.29272.29273.98531.01413.23563.2356
N52.77301.38911.38912.31742.31743.98532.29272.29273.23561.01413.2356
N61.38912.77301.38912.31742.31742.29273.98532.29273.23563.23561.0141
O71.21233.58713.58712.29273.98532.29274.58544.58542.51284.99942.5128
O83.58711.21233.58712.29272.29273.98534.58544.58542.51282.51284.9994
O93.58713.58711.21233.98532.29272.29274.58544.58544.99942.51282.5128
H102.05332.05333.78711.01413.23563.23562.51282.51284.99944.07394.0739
H113.78712.05332.05333.23561.01413.23564.99942.51282.51284.07394.0739
H122.05333.78712.05333.23563.23561.01412.51284.99942.51284.07394.0739

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 126.944 C1 N4 H10 116.528
C1 N6 C3 126.944 C1 N6 H12 116.528
C2 N4 H10 116.528 C2 N5 C3 126.944
C2 N5 H11 116.528 C3 N5 H11 116.528
C3 N6 H12 116.528 N4 C1 N6 113.056
N4 C1 O7 123.472 N4 C2 N5 113.056
N4 C2 O8 123.472 N5 C2 O8 123.472
N5 C3 N6 113.056 N5 C3 O9 123.472
N6 C1 O7 123.472 N6 C3 O9 123.472
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability