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

using model chemistry: MP2=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at MP2=FULL/3-21G*
 hartrees
Energy at 0K-501.511514
Energy at 298.15K-501.519094
HF Energy-500.557238
Nuclear repulsion energy439.956554
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 MP2=FULL/3-21G*
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' 3585 3398 0.00      
2 A1' 1779 1687 0.00      
3 A1' 990 939 0.00      
4 A1' 641 608 0.00      
5 A2' 1438 1364 0.00      
6 A2' 1159 1099 0.00      
7 A2' 628 595 0.00      
8 A2" 827 784 405.92      
9 A2" 709 672 191.32      
10 A2" 157 149 0.77      
11 E' 3583 3396 127.49      
11 E' 3583 3396 127.49      
12 E' 1784 1691 628.22      
12 E' 1784 1691 628.22      
13 E' 1436 1361 0.03      
13 E' 1436 1361 0.03      
14 E' 1394 1321 428.45      
14 E' 1394 1321 428.45      
15 E' 1013 960 16.67      
15 E' 1013 960 16.67      
16 E' 510 483 22.95      
16 E' 510 483 22.95      
17 E' 388 368 20.87      
17 E' 388 368 20.87      
18 E" 776 736 0.00      
18 E" 776 736 0.00      
19 E" 673 638 0.00      
19 E" 673 638 0.00      
20 E" 155 147 0.00      
20 E" 155 147 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17667.1 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 16748.4 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 MP2=FULL/3-21G*
ABC
0.06500 0.06500 0.03250

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.262 0.728 0.000
C2 -1.262 0.728 0.000
C3 0.000 -1.457 0.000
N4 0.000 1.350 0.000
N5 -1.169 -0.675 0.000
N6 1.169 -0.675 0.000
O7 2.335 1.348 0.000
O8 -2.335 1.348 0.000
O9 0.000 -2.696 0.000
H10 0.000 2.366 0.000
H11 -2.049 -1.183 0.000
H12 2.049 -1.183 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.52322.52321.40642.80671.40641.23933.64943.64942.06733.82292.0673
C22.52322.52321.40641.40642.80673.64941.23933.64942.06732.06733.8229
C32.52322.52322.80671.40641.40643.64943.64941.23933.82292.06732.0673
N41.40641.40642.80672.33822.33822.33482.33484.04601.01623.25813.2581
N52.80671.40641.40642.33822.33824.04602.33482.33483.25811.01623.2581
N61.40642.80671.40642.33822.33822.33484.04602.33483.25813.25811.0162
O71.23933.64943.64942.33484.04602.33484.66974.66972.54725.06222.5472
O83.64941.23933.64942.33482.33484.04604.66974.66972.54722.54725.0622
O93.64943.64941.23934.04602.33482.33484.66974.66975.06222.54722.5472
H102.06732.06733.82291.01623.25813.25812.54722.54725.06224.09834.0983
H113.82292.06732.06733.25811.01623.25815.06222.54722.54724.09834.0983
H122.06733.82292.06733.25813.25811.01622.54725.06222.54724.09834.0983

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 127.539 C1 N4 H10 116.231
C1 N6 C3 127.539 C1 N6 H12 116.231
C2 N4 H10 116.231 C2 N5 C3 127.539
C2 N5 H11 116.231 C3 N5 H11 116.231
C3 N6 H12 116.231 N4 C1 N6 112.461
N4 C1 O7 123.769 N4 C2 N5 112.461
N4 C2 O8 123.769 N5 C2 O8 123.769
N5 C3 N6 112.461 N5 C3 O9 123.769
N6 C1 O7 123.769 N6 C3 O9 123.769
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability