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: PBE1PBE/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 PBE1PBE/6-31G
 hartrees
Energy at 0K-505.414378
Energy at 298.15K-505.422218
HF Energy-505.414378
Nuclear repulsion energy444.814738
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 PBE1PBE/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' 3685 3523 0.00      
2 A1' 1822 1742 0.00      
3 A1' 1015 971 0.00      
4 A1' 681 651 0.00      
5 A2' 1446 1382 0.00      
6 A2' 1297 1240 0.00      
7 A2' 631 603 0.00      
8 A2" 862 824 450.84      
9 A2" 714 682 148.60      
10 A2" 177 169 7.63      
11 E' 3682 3519 158.65      
11 E' 3682 3519 158.64      
12 E' 1815 1735 885.55      
12 E' 1815 1735 885.48      
13 E' 1484 1419 288.98      
13 E' 1484 1419 288.93      
14 E' 1446 1382 67.29      
14 E' 1446 1382 67.28      
15 E' 1060 1013 5.09      
15 E' 1060 1013 5.09      
16 E' 532 509 25.27      
16 E' 532 509 25.28      
17 E' 392 374 25.71      
17 E' 392 374 25.71      
18 E" 799 764 0.00      
18 E" 799 764 0.00      
19 E" 689 658 0.00      
19 E" 689 658 0.00      
20 E" 181 173 0.00      
20 E" 181 173 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18244.2 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 17439.6 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 PBE1PBE/6-31G
ABC
0.06656 0.06656 0.03328

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.240 0.716 0.000
C2 -1.240 0.716 0.000
C3 0.000 -1.432 0.000
N4 0.000 1.339 0.000
N5 -1.160 -0.670 0.000
N6 1.160 -0.670 0.000
O7 2.308 1.332 0.000
O8 -2.308 1.332 0.000
O9 0.000 -2.665 0.000
H10 0.000 2.349 0.000
H11 -2.034 -1.174 0.000
H12 2.034 -1.174 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.48052.48051.38812.77141.38811.23243.60103.60102.05043.78102.0504
C22.48052.48051.38811.38812.77143.60101.23243.60102.05042.05043.7810
C32.48052.48052.77141.38811.38813.60103.60101.23243.78102.05042.0504
N41.38811.38812.77142.31982.31982.30762.30764.00391.00953.23373.2337
N52.77141.38811.38812.31982.31984.00392.30762.30763.23371.00953.2337
N61.38812.77141.38812.31982.31982.30764.00392.30763.23373.23371.0095
O71.23243.60103.60102.30764.00392.30764.61524.61522.52165.01342.5216
O83.60101.23243.60102.30762.30764.00394.61524.61522.52162.52165.0134
O93.60103.60101.23244.00392.30762.30764.61524.61525.01342.52162.5216
H102.05042.05043.78101.00953.23373.23372.52162.52165.01344.06834.0683
H113.78102.05042.05043.23371.00953.23375.01342.52162.52164.06834.0683
H122.05043.78102.05043.23373.23371.00952.52165.01342.52164.06834.0683

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 126.640 C1 N4 H10 116.680
C1 N6 C3 126.640 C1 N6 H12 116.680
C2 N4 H10 116.680 C2 N5 C3 126.640
C2 N5 H11 116.680 C3 N5 H11 116.680
C3 N6 H12 116.680 N4 C1 N6 113.360
N4 C1 O7 123.320 N4 C2 N5 113.360
N4 C2 O8 123.320 N5 C2 O8 123.320
N5 C3 N6 113.360 N5 C3 O9 123.320
N6 C1 O7 123.320 N6 C3 O9 123.320
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability