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

using model chemistry: PBEPBEultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at PBEPBEultrafine/3-21G
 hartrees
Energy at 0K-502.800682
Energy at 298.15K-502.808168
HF Energy-502.800682
Nuclear repulsion energy440.133183
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 PBEPBEultrafine/3-21G
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' 3495 3463 0.00      
2 A1' 1760 1744 0.00      
3 A1' 964 955 0.00      
4 A1' 631 625 0.00      
5 A2' 1380 1367 0.00      
6 A2' 1127 1117 0.00      
7 A2' 593 588 0.00      
8 A2" 829 822 340.49      
9 A2" 695 689 160.13      
10 A2" 159 158 2.13      
11 E' 3492 3460 118.09      
11 E' 3492 3460 118.09      
12 E' 1746 1730 591.66      
12 E' 1746 1730 591.67      
13 E' 1389 1376 4.76      
13 E' 1389 1376 4.75      
14 E' 1359 1346 327.51      
14 E' 1359 1346 327.49      
15 E' 991 982 4.57      
15 E' 991 982 4.57      
16 E' 492 488 24.09      
16 E' 492 488 24.09      
17 E' 372 368 18.15      
17 E' 372 368 18.15      
18 E" 770 763 0.00      
18 E" 770 763 0.00      
19 E" 661 655 0.00      
19 E" 661 655 0.00      
20 E" 161 159 0.00      
20 E" 161 159 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17249.6 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 17092.6 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 PBEPBEultrafine/3-21G
ABC
0.06508 0.06508 0.03254

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/3-21G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.261 0.728 0.000
C2 -1.261 0.728 0.000
C3 0.000 -1.456 0.000
N4 0.000 1.348 0.000
N5 -1.167 -0.674 0.000
N6 1.167 -0.674 0.000
O7 2.334 1.347 0.000
O8 -2.334 1.347 0.000
O9 0.000 -2.695 0.000
H10 0.000 2.372 0.000
H11 -2.054 -1.186 0.000
H12 2.054 -1.186 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.52182.52181.40502.80361.40501.23893.64773.64772.07163.82762.0716
C22.52182.52181.40501.40502.80363.64771.23893.64772.07162.07163.8276
C32.52182.52182.80361.40501.40503.64773.64771.23893.82762.07162.0716
N41.40501.40502.80362.33422.33422.33382.33384.04251.02403.26143.2614
N52.80361.40501.40502.33422.33424.04252.33382.33383.26141.02403.2614
N61.40502.80361.40502.33422.33422.33384.04252.33383.26143.26141.0240
O71.23893.64773.64772.33384.04252.33384.66764.66762.54865.06652.5486
O83.64771.23893.64772.33382.33384.04254.66764.66762.54862.54865.0665
O93.64773.64771.23894.04252.33382.33384.66764.66765.06652.54862.5486
H102.07162.07163.82761.02403.26143.26142.54862.54865.06654.10774.1077
H113.82762.07162.07163.26141.02403.26145.06652.54862.54864.10774.1077
H122.07163.82762.07163.26143.26141.02402.54865.06652.54864.10774.1077

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 127.658 C1 N4 H10 116.171
C1 N6 C3 127.658 C1 N6 H12 116.171
C2 N4 H10 116.171 C2 N5 C3 127.658
C2 N5 H11 116.171 C3 N5 H11 116.171
C3 N6 H12 116.171 N4 C1 N6 112.342
N4 C1 O7 123.829 N4 C2 N5 112.342
N4 C2 O8 123.829 N5 C2 O8 123.829
N5 C3 N6 112.342 N5 C3 O9 123.829
N6 C1 O7 123.829 N6 C3 O9 123.829
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability