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

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-504.455620
Energy at 298.15K-504.463386
HF Energy-503.387026
Nuclear repulsion energy451.073033
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 CISD/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' 3796 3514 0.00      
2 A1' 2008 1859 0.00      
3 A1' 1053 975 0.00      
4 A1' 717 664 0.00      
5 A2' 1484 1373 0.00      
6 A2' 1349 1249 0.00      
7 A2' 668 619 0.00      
8 A2" 806 747 214.11      
9 A2" 701 649 322.57      
10 A2" 142 131 0.98      
11 E' 3792 3511 197.37      
11 E' 3792 3511 197.37      
12 E' 1984 1837 1142.47      
12 E' 1984 1837 1142.48      
13 E' 1590 1472 400.23      
13 E' 1590 1472 400.23      
14 E' 1506 1394 76.12      
14 E' 1506 1394 76.11      
15 E' 1106 1023 13.16      
15 E' 1106 1023 13.16      
16 E' 550 509 25.31      
16 E' 550 509 25.31      
17 E' 416 385 33.29      
17 E' 416 385 33.31      
18 E" 800 741 0.00      
18 E" 800 741 0.00      
19 E" 637 590 0.00      
19 E" 637 590 0.00      
20 E" 161 149 0.00      
20 E" 161 149 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18902.9 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 17500.3 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 CISD/6-31G*
ABC
0.06848 0.06848 0.03424

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.231 0.711 0.000
C2 -1.231 0.711 0.000
C3 0.000 -1.421 0.000
N4 0.000 1.328 0.000
N5 -1.150 -0.664 0.000
N6 1.150 -0.664 0.000
O7 2.268 1.309 0.000
O8 -2.268 1.309 0.000
O9 0.000 -2.619 0.000
H10 0.000 2.332 0.000
H11 -2.020 -1.166 0.000
H12 2.020 -1.166 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.46162.46161.37722.74971.37721.19733.54943.54942.03573.75342.0357
C22.46162.46161.37721.37722.74973.54941.19733.54942.03572.03573.7534
C32.46162.46162.74971.37721.37723.54943.54941.19733.75342.03572.0357
N41.37721.37722.74972.30092.30092.26782.26783.94701.00373.20963.2096
N52.74971.37721.37722.30092.30093.94702.26782.26783.20961.00373.2096
N61.37722.74971.37722.30092.30092.26783.94702.26783.20963.20961.0037
O71.19733.54943.54942.26783.94702.26784.53554.53552.48774.95072.4877
O83.54941.19733.54942.26782.26783.94704.53554.53552.48772.48774.9507
O93.54943.54941.19733.94702.26782.26784.53554.53554.95072.48772.4877
H102.03572.03573.75341.00373.20963.20962.48772.48774.95074.03944.0394
H113.75342.03572.03573.20961.00373.20964.95072.48772.48774.03944.0394
H122.03573.75342.03573.20963.20961.00372.48774.95072.48774.03944.0394

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 126.690 C1 N4 H10 116.655
C1 N6 C3 126.690 C1 N6 H12 116.655
C2 N4 H10 116.655 C2 N5 C3 126.690
C2 N5 H11 116.655 C3 N5 H11 116.655
C3 N6 H12 116.655 N4 C1 N6 113.310
N4 C1 O7 123.345 N4 C2 N5 113.310
N4 C2 O8 123.345 N5 C2 O8 123.345
N5 C3 N6 113.310 N5 C3 O9 123.345
N6 C1 O7 123.345 N6 C3 O9 123.345
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability