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

using model chemistry: PBEPBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-505.687656
Energy at 298.15K-505.694947
HF Energy-505.687656
Nuclear repulsion energy443.594051
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 PBEPBE/aug-cc-pVDZ
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' 3540 3519 0.00      
2 A1' 1772 1761 0.00      
3 A1' 959 954 0.00      
4 A1' 644 640 0.00      
5 A2' 1313 1305 0.00      
6 A2' 1181 1174 0.00      
7 A2' 599 595 0.00      
8 A2" 718 714 59.73      
9 A2" 655 651 225.66      
10 A2" 129 128 3.49      
11 E' 3538 3516 140.10      
11 E' 3538 3516 140.09      
12 E' 1753 1742 921.12      
12 E' 1753 1742 920.99      
13 E' 1413 1404 274.85      
13 E' 1413 1404 274.90      
14 E' 1345 1337 50.65      
14 E' 1345 1337 50.68      
15 E' 992 986 12.14      
15 E' 992 986 12.14      
16 E' 498 495 25.33      
16 E' 498 495 25.33      
17 E' 373 371 21.96      
17 E' 373 371 21.96      
18 E" 722 717 0.00      
18 E" 722 717 0.00      
19 E" 592 588 0.00      
19 E" 592 588 0.00      
20 E" 152 151 0.00      
20 E" 152 151 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17131.2 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 17026.7 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 PBEPBE/aug-cc-pVDZ
ABC
0.06621 0.06621 0.03310

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVDZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.250 0.721 0.000
C2 -1.250 0.721 0.000
C3 0.000 -1.443 0.000
N4 0.000 1.346 0.000
N5 -1.166 -0.673 0.000
N6 1.166 -0.673 0.000
O7 2.309 1.333 0.000
O8 -2.309 1.333 0.000
O9 0.000 -2.667 0.000
H10 0.000 2.366 0.000
H11 -2.049 -1.183 0.000
H12 2.049 -1.183 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.49922.49921.39702.78901.39701.22393.61133.61132.06563.80912.0656
C22.49922.49921.39701.39702.78903.61131.22393.61132.06562.06563.8091
C32.49922.49922.78901.39701.39703.61133.61131.22393.80912.06562.0656
N41.39701.39702.78902.33152.33152.30952.30954.01291.02013.25513.2551
N52.78901.39701.39702.33152.33154.01292.30952.30953.25511.02013.2551
N61.39702.78901.39702.33152.33152.30954.01292.30953.25513.25511.0201
O71.22393.61133.61132.30954.01292.30954.61904.61902.52995.03292.5299
O83.61131.22393.61132.30952.30954.01294.61904.61902.52992.52995.0329
O93.61133.61131.22394.01292.30952.30954.61904.61905.03292.52992.5299
H102.06562.06563.80911.02013.25513.25512.52992.52995.03294.09834.0983
H113.80912.06562.06563.25511.02013.25515.03292.52992.52994.09834.0983
H122.06563.80912.06563.25513.25511.02012.52995.03292.52994.09834.0983

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 126.879 C1 N4 H10 116.560
C1 N6 C3 126.879 C1 N6 H12 116.560
C2 N4 H10 116.560 C2 N5 C3 126.879
C2 N5 H11 116.560 C3 N5 H11 116.560
C3 N6 H12 116.560 N4 C1 N6 113.121
N4 C1 O7 123.440 N4 C2 N5 113.121
N4 C2 O8 123.440 N5 C2 O8 123.440
N5 C3 N6 113.121 N5 C3 O9 123.440
N6 C1 O7 123.440 N6 C3 O9 123.440
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability