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: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-506.149549
Energy at 298.15K-506.157080
HF Energy-506.149549
Nuclear repulsion energy449.173907
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 mPW1PW91/6-311G**
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' 3672 3513 0.00      
2 A1' 1895 1813 0.00      
3 A1' 1002 959 0.00      
4 A1' 678 649 0.00      
5 A2' 1394 1333 0.00      
6 A2' 1241 1188 0.00      
7 A2' 639 611 0.00      
8 A2" 781 747 110.58      
9 A2" 670 641 254.65      
10 A2" 133 127 2.22      
11 E' 3669 3510 163.50      
11 E' 3669 3510 163.51      
12 E' 1875 1794 999.95      
12 E' 1875 1794 999.85      
13 E' 1492 1428 331.28      
13 E' 1492 1428 331.28      
14 E' 1421 1360 78.84      
14 E' 1421 1360 78.86      
15 E' 1045 1000 11.39      
15 E' 1045 1000 11.39      
16 E' 522 500 25.67      
16 E' 522 500 25.68      
17 E' 398 381 25.58      
17 E' 398 381 25.58      
18 E" 768 735 0.00      
18 E" 768 735 0.00      
19 E" 601 575 0.00      
19 E" 601 575 0.00      
20 E" 149 142 0.00      
20 E" 149 142 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17992.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 17213.4 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 mPW1PW91/6-311G**
ABC
0.06787 0.06787 0.03394

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.238 0.715 0.000
C2 -1.238 0.715 0.000
C3 0.000 -1.430 0.000
N4 0.000 1.332 0.000
N5 -1.154 -0.666 0.000
N6 1.154 -0.666 0.000
O7 2.278 1.315 0.000
O8 -2.278 1.315 0.000
O9 0.000 -2.630 0.000
H10 0.000 2.340 0.000
H11 -2.027 -1.170 0.000
H12 2.027 -1.170 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.47632.47631.38362.76201.38361.20083.56713.56712.04333.77002.0433
C22.47632.47631.38361.38362.76203.56711.20083.56712.04332.04333.7700
C32.47632.47632.76201.38361.38363.56713.56711.20083.77002.04332.0433
N41.38361.38362.76202.30752.30752.27812.27813.96271.00803.22023.2202
N52.76201.38361.38362.30752.30753.96272.27812.27813.22021.00803.2202
N61.38362.76201.38362.30752.30752.27813.96272.27813.22023.22021.0080
O71.20083.56713.56712.27813.96272.27814.55614.55612.49804.97072.4980
O83.56711.20083.56712.27812.27813.96274.55614.55612.49802.49804.9707
O93.56713.56711.20083.96272.27812.27814.55614.55614.97072.49802.4980
H102.04332.04333.77001.00803.22023.22022.49802.49804.97074.05344.0534
H113.77002.04332.04333.22021.00803.22024.97072.49802.49804.05344.0534
H122.04333.77002.04333.22023.22021.00802.49804.97072.49804.05344.0534

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 126.995 C1 N4 H10 116.503
C1 N6 C3 126.995 C1 N6 H12 116.503
C2 N4 H10 116.503 C2 N5 C3 126.995
C2 N5 H11 116.503 C3 N5 H11 116.502
C3 N6 H12 116.502 N4 C1 N6 113.005
N4 C1 O7 123.498 N4 C2 N5 113.005
N4 C2 O8 123.498 N5 C2 O8 123.497
N5 C3 N6 113.005 N5 C3 O9 123.498
N6 C1 O7 123.497 N6 C3 O9 123.498
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability