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

using model chemistry: MP2/CEP-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 MP2/CEP-31G
 hartrees
Energy at 0K-95.005500
Energy at 298.15K-95.012745
HF Energy-94.155441
Nuclear repulsion energy226.320698
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/CEP-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' 3628 3505 0.00      
2 A1' 1683 1626 0.00      
3 A1' 961 929 0.00      
4 A1' 625 604 0.00      
5 A2' 1453 1404 0.00      
6 A2' 1208 1168 0.00      
7 A2' 588 568 0.00      
8 A2" 727 703 519.75      
9 A2" 664 641 55.55      
10 A2" 151 146 3.25      
11 E' 3625 3503 146.04      
11 E' 3625 3503 146.04      
12 E' 1718 1660 869.65      
12 E' 1718 1660 869.65      
13 E' 1415 1367 34.20      
13 E' 1415 1367 34.20      
14 E' 1396 1349 420.01      
14 E' 1396 1349 420.01      
15 E' 1002 968 24.46      
15 E' 1002 968 24.46      
16 E' 498 481 22.32      
16 E' 498 481 22.32      
17 E' 364 352 26.00      
17 E' 364 352 26.00      
18 E" 690 667 0.00      
18 E" 690 667 0.00      
19 E" 631 610 0.00      
19 E" 631 610 0.00      
20 E" 143 138 0.00      
20 E" 143 138 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17325.7 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 16741.8 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 MP2/CEP-31G
ABC
0.06290 0.06290 0.03145

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.275 0.736 0.000
C2 -1.275 0.736 0.000
C3 0.000 -1.472 0.000
N4 0.000 1.379 0.000
N5 -1.194 -0.689 0.000
N6 1.194 -0.689 0.000
O7 2.374 1.371 0.000
O8 -2.374 1.371 0.000
O9 0.000 -2.742 0.000
H10 0.000 2.402 0.000
H11 -2.080 -1.201 0.000
H12 2.080 -1.201 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.55022.55021.42782.85091.42781.26943.70433.70432.09803.87462.0980
C22.55022.55021.42781.42782.85093.70431.26943.70432.09802.09803.8746
C32.55022.55022.85091.42781.42783.70433.70431.26943.87462.09802.0980
N41.42781.42782.85092.38772.38772.37442.37444.12031.02373.31403.3140
N52.85091.42781.42782.38772.38774.12032.37442.37443.31401.02373.3140
N61.42782.85091.42782.38772.38772.37444.12032.37443.31403.31401.0237
O71.26943.70433.70432.37444.12032.37444.74884.74882.58875.14402.5887
O83.70431.26943.70432.37442.37444.12034.74884.74882.58872.58875.1440
O93.70433.70431.26944.12032.37442.37444.74884.74885.14402.58872.5887
H102.09802.09803.87461.02373.31403.31402.58872.58875.14404.16084.1608
H113.87462.09802.09803.31401.02373.31405.14402.58872.58874.16084.1608
H122.09803.87462.09803.31403.31401.02372.58875.14402.58874.16084.1608

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 126.526 C1 N4 H10 116.737
C1 N6 C3 126.527 C1 N6 H12 116.737
C2 N4 H10 116.737 C2 N5 C3 126.527
C2 N5 H11 116.737 C3 N5 H11 116.737
C3 N6 H12 116.737 N4 C1 N6 113.474
N4 C1 O7 123.263 N4 C2 N5 113.474
N4 C2 O8 123.263 N5 C2 O8 123.263
N5 C3 N6 113.473 N5 C3 O9 123.263
N6 C1 O7 123.263 N6 C3 O9 123.263
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability