return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP2=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 MP2=FULL/6-31G
 hartrees
Energy at 0K-504.092388
Energy at 298.15K-504.099848
HF Energy-503.123505
Nuclear repulsion energy438.662632
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/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1' 3631 3449 0.00      
2 A1' 1750 1663 0.00      
3 A1' 993 944 0.00      
4 A1' 651 619 0.00      
5 A2' 1449 1377 0.00      
6 A2' 1228 1166 0.00      
7 A2' 620 589 0.00      
8 A2" 732 696 593.88      
9 A2" 674 641 24.19      
10 A2" 146 139 1.56      
11 E' 3629 3448 141.98      
11 E' 3629 3448 141.98      
12 E' 1766 1678 775.91      
12 E' 1766 1678 775.91      
13 E' 1434 1363 6.82      
13 E' 1434 1363 6.82      
14 E' 1427 1356 395.59      
14 E' 1427 1356 395.59      
15 E' 1026 975 17.96      
15 E' 1026 975 17.96      
16 E' 519 493 23.46      
16 E' 519 493 23.46      
17 E' 381 362 23.06      
17 E' 381 362 23.06      
18 E" 715 679 0.00      
18 E" 715 679 0.00      
19 E" 649 617 0.00      
19 E" 649 617 0.00      
20 E" 156 149 0.00      
20 E" 156 149 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17638.0 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 16757.9 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/6-31G
ABC
0.06466 0.06466 0.03233

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.259 0.727 0.000
C2 -1.259 0.727 0.000
C3 0.000 -1.454 0.000
N4 0.000 1.355 0.000
N5 -1.174 -0.678 0.000
N6 1.174 -0.678 0.000
O7 2.343 1.353 0.000
O8 -2.343 1.353 0.000
O9 0.000 -2.705 0.000
H10 0.000 2.370 0.000
H11 -2.053 -1.185 0.000
H12 2.053 -1.185 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.51822.51821.40722.80931.40721.25133.65583.65582.07033.82432.0703
C22.51822.51821.40721.40722.80933.65581.25133.65582.07032.07033.8243
C32.51822.51822.80931.40721.40723.65583.65581.25133.82432.07032.0703
N41.40721.40722.80932.34762.34762.34282.34284.06061.01503.26633.2663
N52.80931.40721.40722.34762.34764.06062.34282.34283.26631.01503.2663
N61.40722.80931.40722.34762.34762.34284.06062.34283.26633.26631.0150
O71.25133.65583.65582.34284.06062.34284.68564.68562.55435.07562.5543
O83.65581.25133.65582.34282.34284.06064.68564.68562.55432.55435.0756
O93.65583.65581.25134.06062.34282.34284.68564.68565.07562.55432.5543
H102.07032.07033.82431.01503.26633.26632.55432.55435.07564.10564.1056
H113.82432.07032.07033.26631.01503.26635.07562.55432.55434.10564.1056
H122.07033.82432.07033.26633.26631.01502.55435.07562.55434.10564.1056

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 126.951 C1 N4 H10 116.524
C1 N6 C3 126.951 C1 N6 H12 116.524
C2 N4 H10 116.524 C2 N5 C3 126.951
C2 N5 H11 116.524 C3 N5 H11 116.524
C3 N6 H12 116.524 N4 C1 N6 113.049
N4 C1 O7 123.476 N4 C2 N5 113.049
N4 C2 O8 123.476 N5 C2 O8 123.476
N5 C3 N6 113.049 N5 C3 O9 123.476
N6 C1 O7 123.476 N6 C3 O9 123.476
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability