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

using model chemistry: CID/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 CID/6-31G
 hartrees
Energy at 0K-503.883748
Energy at 298.15K-503.891697
HF Energy-503.135432
Nuclear repulsion energy445.161358
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 CID/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' 3771 3526 0.00      
2 A1' 1872 1751 0.00      
3 A1' 1044 977 0.00      
4 A1' 701 656 0.00      
5 A2' 1525 1426 0.00      
6 A2' 1346 1259 0.00      
7 A2' 659 616 0.00      
8 A2" 858 802 614.59      
9 A2" 719 672 125.74      
10 A2" 176 165 7.33      
11 E' 3766 3522 169.71      
11 E' 3766 3522 169.71      
12 E' 1866 1745 1063.26      
12 E' 1866 1745 1063.26      
13 E' 1531 1431 209.38      
13 E' 1531 1431 209.38      
14 E' 1506 1409 234.59      
14 E' 1506 1409 234.60      
15 E' 1090 1019 11.97      
15 E' 1090 1019 11.97      
16 E' 551 515 28.39      
16 E' 551 515 28.39      
17 E' 407 380 32.45      
17 E' 407 380 32.45      
18 E" 801 749 0.00      
18 E" 801 749 0.00      
19 E" 699 654 0.00      
19 E" 699 654 0.00      
20 E" 178 166 0.00      
20 E" 178 166 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18730.0 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 17516.3 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 CID/6-31G
ABC
0.06667 0.06667 0.03334

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/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 1.342 0.000
N5 -1.163 -0.671 0.000
N6 1.163 -0.671 0.000
O7 2.304 1.330 0.000
O8 -2.304 1.330 0.000
O9 0.000 -2.660 0.000
H10 0.000 2.347 0.000
H11 -2.032 -1.173 0.000
H12 2.032 -1.173 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.48042.48041.38942.77441.38941.22793.59663.59662.04873.77872.0487
C22.48042.48041.38941.38942.77443.59661.22793.59662.04872.04873.7787
C32.48042.48042.77441.38941.38943.59663.59661.22793.77872.04872.0487
N41.38941.38942.77442.32502.32502.30372.30374.00231.00433.23403.2340
N52.77441.38941.38942.32502.32504.00232.30372.30373.23401.00433.2340
N61.38942.77441.38942.32502.32502.30374.00232.30373.23403.23401.0043
O71.22793.59663.59662.30374.00232.30374.60734.60732.51805.00672.5180
O83.59661.22793.59662.30372.30374.00234.60734.60732.51802.51805.0067
O93.59663.59661.22794.00232.30372.30374.60734.60735.00672.51802.5180
H102.04872.04873.77871.00433.23403.23402.51802.51805.00674.06464.0646
H113.77872.04872.04873.23401.00433.23405.00672.51802.51804.06464.0646
H122.04873.77872.04873.23403.23401.00432.51805.00672.51804.06464.0646

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 126.411 C1 N4 H10 116.794
C1 N6 C3 126.411 C1 N6 H12 116.794
C2 N4 H10 116.794 C2 N5 C3 126.411
C2 N5 H11 116.794 C3 N5 H11 116.794
C3 N6 H12 116.794 N4 C1 N6 113.589
N4 C1 O7 123.206 N4 C2 N5 113.589
N4 C2 O8 123.206 N5 C2 O8 123.206
N5 C3 N6 113.589 N5 C3 O9 123.206
N6 C1 O7 123.206 N6 C3 O9 123.206
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability