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

using model chemistry: CCSD(T)=FULL/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(T)=FULL/6-31G*
 hartrees
Energy at 0K-504.854855
Energy at 298.15K-504.862158
HF Energy-503.379957
Nuclear repulsion energy445.670000
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(T)=FULL/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' 3622 3516        
2 A1' 1882 1827        
3 A1' 998 969        
4 A1' 673 654        
5 A2' 1393 1353        
6 A2' 1263 1226        
7 A2' 621 603        
8 A2" 709 689        
9 A2" 664 645        
10 A2" 114 111        
11 E' 3621 3515        
11 E' 3621 3515        
12 E' 1870 1815        
12 E' 1870 1815        
13 E' 1496 1452        
13 E' 1496 1452        
14 E' 1421 1380        
14 E' 1421 1379        
15 E' 1044 1013        
15 E' 1043 1012        
16 E' 519 504        
16 E' 518 503        
17 E' 388 377        
17 E' 388 376        
18 E" 730 709        
18 E" 730 709        
19 E" 591 574        
19 E" 591 573        
20 E" 142 138        
20 E" 141 137        

Unscaled Zero Point Vibrational Energy (zpe) 17789.6 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 17268.3 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 CCSD(T)=FULL/6-31G*
ABC
0.06681 0.06681 0.03340

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.246 0.719 0.000
C2 -1.246 0.719 0.000
C3 0.000 -1.438 0.000
N4 0.000 1.339 0.000
N5 -1.160 -0.669 0.000
N6 1.160 -0.669 0.000
O7 2.299 1.327 0.000
O8 -2.299 1.327 0.000
O9 0.000 -2.654 0.000
H10 0.000 2.355 0.000
H11 -2.039 -1.177 0.000
H12 2.039 -1.177 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.49112.49111.39122.77711.39121.21623.59623.59622.05613.79322.0561
C22.49112.49111.39121.39122.77713.59621.21623.59622.05612.05613.7932
C32.49112.49112.77711.39121.39123.59623.59621.21623.79322.05612.0561
N41.39121.39122.77712.31912.31912.29882.29883.99341.01613.23913.2391
N52.77711.39121.39122.31912.31913.99342.29882.29893.23911.01613.2391
N61.39122.77711.39122.31912.31912.29883.99342.29893.23913.23911.0161
O71.21623.59623.59622.29883.99342.29884.59764.59762.51815.00942.5181
O83.59621.21623.59622.29882.29883.99344.59764.59762.51812.51815.0094
O93.59623.59621.21623.99342.29892.29894.59764.59765.00942.51812.5181
H102.05612.05613.79321.01613.23913.23912.51812.51815.00944.07894.0789
H113.79322.05612.05613.23911.01613.23915.00942.51812.51814.07894.0789
H122.05613.79322.05613.23913.23911.01612.51815.00942.51814.07894.0789

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 127.089 C1 N4 H10 116.456
C1 N6 C3 127.089 C1 N6 H12 116.456
C2 N4 H10 116.456 C2 N5 C3 127.089
C2 N5 H11 116.456 C3 N5 H11 116.456
C3 N6 H12 116.456 N4 C1 N6 112.911
N4 C1 O7 123.544 N4 C2 N5 112.911
N4 C2 O8 123.544 N5 C2 O8 123.544
N5 C3 N6 112.911 N5 C3 O9 123.544
N6 C1 O7 123.544 N6 C3 O9 123.544
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability