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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-504.749463
Energy at 298.15K-504.756913
HF Energy-503.383746
Nuclear repulsion energy447.668219
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 MP3/6-31G*
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' 3690 3463 0.00      
2 A1' 1950 1830 0.00      
3 A1' 1016 954 0.00      
4 A1' 695 652 0.00      
5 A2' 1423 1336 0.00      
6 A2' 1301 1221 0.00      
7 A2' 640 601 0.00      
8 A2" 731 686 99.90      
9 A2" 669 628 387.11      
10 A2" 121 113 0.12      
11 E' 3687 3461 174.30      
11 E' 3687 3461 174.30      
12 E' 1929 1811 1039.33      
12 E' 1929 1811 1039.34      
13 E' 1537 1443 404.29      
13 E' 1537 1443 404.30      
14 E' 1453 1363 47.93      
14 E' 1453 1363 47.92      
15 E' 1068 1002 14.36      
15 E' 1068 1002 14.36      
16 E' 531 499 24.19      
16 E' 531 499 24.19      
17 E' 400 375 30.54      
17 E' 400 375 30.56      
18 E" 748 702 0.00      
18 E" 748 702 0.00      
19 E" 599 562 0.00      
19 E" 599 562 0.00      
20 E" 146 137 0.00      
20 E" 146 137 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18215.3 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 17096.8 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 MP3/6-31G*
ABC
0.06744 0.06744 0.03372

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.240 0.716 0.000
C2 -1.240 0.716 0.000
C3 0.000 -1.432 0.000
N4 0.000 1.337 0.000
N5 -1.158 -0.669 0.000
N6 1.158 -0.669 0.000
O7 2.286 1.320 0.000
O8 -2.286 1.320 0.000
O9 0.000 -2.639 0.000
H10 0.000 2.349 0.000
H11 -2.034 -1.174 0.000
H12 2.034 -1.174 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.47992.47991.38692.76891.38691.20773.57723.57722.05043.78062.0504
C22.47992.47991.38691.38692.76893.57721.20773.57722.05042.05043.7806
C32.47992.47992.76891.38691.38693.57723.57721.20773.78062.05042.0504
N41.38691.38692.76892.31602.31602.28592.28593.97661.01173.23203.2320
N52.76891.38691.38692.31602.31603.97662.28592.28593.23201.01173.2320
N61.38692.76891.38692.31602.31602.28593.97662.28593.23203.23201.0117
O71.20773.57723.57722.28593.97662.28594.57174.57172.50684.98832.5068
O83.57721.20773.57722.28592.28593.97664.57174.57172.50682.50684.9883
O93.57723.57721.20773.97662.28592.28594.57174.57174.98832.50682.5068
H102.05042.05043.78061.01173.23203.23202.50682.50684.98834.06834.0683
H113.78062.05042.05043.23201.01173.23204.98832.50682.50684.06834.0683
H122.05043.78062.05043.23203.23201.01172.50684.98832.50684.06834.0683

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 126.774 C1 N4 H10 116.613
C1 N6 C3 126.774 C1 N6 H12 116.613
C2 N4 H10 116.613 C2 N5 C3 126.774
C2 N5 H11 116.613 C3 N5 H11 116.613
C3 N6 H12 116.613 N4 C1 N6 113.226
N4 C1 O7 123.387 N4 C2 N5 113.226
N4 C2 O8 123.387 N5 C2 O8 123.387
N5 C3 N6 113.226 N5 C3 O9 123.387
N6 C1 O7 123.387 N6 C3 O9 123.387
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability