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

using model chemistry: HF/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 HF/6-31G*
 hartrees
Energy at 0K-503.387801
Energy at 298.15K-503.395743
HF Energy-503.387801
Nuclear repulsion energy452.811457
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 HF/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' 3866 3473 0.00      
2 A1' 2055 1847 0.00      
3 A1' 1078 969 0.00      
4 A1' 730 656 0.00      
5 A2' 1538 1382 0.00      
6 A2' 1369 1230 0.00      
7 A2' 694 624 0.00      
8 A2" 859 772 264.83      
9 A2" 713 640 324.90      
10 A2" 151 135 1.56      
11 E' 3862 3470 201.86      
11 E' 3862 3470 201.86      
12 E' 2028 1822 1254.82      
12 E' 2028 1822 1254.82      
13 E' 1623 1458 349.65      
13 E' 1623 1458 349.65      
14 E' 1550 1393 165.34      
14 E' 1550 1393 165.34      
15 E' 1127 1012 15.22      
15 E' 1127 1012 15.22      
16 E' 564 507 29.18      
16 E' 564 507 29.18      
17 E' 430 386 36.60      
17 E' 430 386 36.60      
18 E" 838 753 0.00      
18 E" 838 753 0.00      
19 E" 652 586 0.00      
19 E" 652 586 0.00      
20 E" 167 150 0.00      
20 E" 167 150 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19368.5 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 17402.6 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 HF/6-31G*
ABC
0.06903 0.06903 0.03451

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.228 0.709 0.000
C2 -1.228 0.709 0.000
C3 0.000 -1.418 0.000
N4 0.000 1.328 0.000
N5 -1.150 -0.664 0.000
N6 1.150 -0.664 0.000
O7 2.256 1.302 0.000
O8 -2.256 1.302 0.000
O9 0.000 -2.605 0.000
H10 0.000 2.326 0.000
H11 -2.014 -1.163 0.000
H12 2.014 -1.163 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.45582.45581.37522.74611.37521.18703.53403.53402.03053.74392.0305
C22.45582.45581.37521.37522.74613.53401.18703.53402.03052.03053.7439
C32.45582.45582.74611.37521.37523.53403.53401.18703.74392.03052.0305
N41.37521.37522.74612.30062.30062.25602.25603.93310.99783.20383.2038
N52.74611.37521.37522.30062.30063.93312.25602.25603.20380.99783.2038
N61.37522.74611.37522.30062.30062.25603.93312.25603.20383.20380.9978
O71.18703.53403.53402.25603.93312.25604.51184.51182.47734.93092.4773
O83.53401.18703.53402.25602.25603.93314.51184.51182.47732.47734.9309
O93.53403.53401.18703.93312.25602.25604.51184.51184.93092.47732.4773
H102.03052.03053.74390.99783.20383.20382.47732.47734.93094.02894.0289
H113.74392.03052.03053.20380.99783.20384.93092.47732.47734.02894.0289
H122.03053.74392.03053.20383.20380.99782.47734.93092.47734.02894.0289

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 126.467 C1 N4 H10 116.766
C1 N6 C3 126.467 C1 N6 H12 116.766
C2 N4 H10 116.766 C2 N5 C3 126.467
C2 N5 H11 116.766 C3 N5 H11 116.766
C3 N6 H12 116.766 N4 C1 N6 113.533
N4 C1 O7 123.234 N4 C2 N5 113.533
N4 C2 O8 123.234 N5 C2 O8 123.234
N5 C3 N6 113.533 N5 C3 O9 123.234
N6 C1 O7 123.234 N6 C3 O9 123.234
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability