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

using model chemistry: QCISD/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 QCISD/6-311G**
 hartrees
Energy at 0K-505.008143
Energy at 298.15K-505.015428
HF Energy-503.514582
Nuclear repulsion energy447.264798
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 QCISD/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' 3687 3517 0.00      
2 A1' 1886 1800 0.00      
3 A1' 1003 957 0.00      
4 A1' 675 644 0.00      
5 A2' 1413 1348 0.00      
6 A2' 1258 1201 0.00      
7 A2' 636 607 0.00      
8 A2" 747 712 58.41      
9 A2" 635 606 320.26      
10 A2" 110 105 0.12      
11 E' 3684 3515 147.59      
11 E' 3684 3515 147.60      
12 E' 1874 1788 979.97      
12 E' 1874 1788 979.95      
13 E' 1499 1430 333.09      
13 E' 1499 1430 333.16      
14 E' 1429 1364 91.11      
14 E' 1429 1364 91.15      
15 E' 1049 1001 18.24      
15 E' 1049 1001 18.25      
16 E' 522 498 23.04      
16 E' 522 498 23.05      
17 E' 397 379 26.85      
17 E' 397 379 26.86      
18 E" 749 715 0.00      
18 E" 749 715 0.00      
19 E" 552 526 0.00      
19 E" 552 526 0.00      
20 E" 119 114 0.00      
20 E" 119 114 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17897.7 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 17076.2 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 QCISD/6-311G**
ABC
0.06728 0.06728 0.03364

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.245 0.719 0.000
C2 -1.245 0.719 0.000
C3 0.000 -1.437 0.000
N4 0.000 1.338 0.000
N5 -1.159 -0.669 0.000
N6 1.159 -0.669 0.000
O7 2.288 1.321 0.000
O8 -2.288 1.321 0.000
O9 0.000 -2.642 0.000
H10 0.000 2.348 0.000
H11 -2.033 -1.174 0.000
H12 2.033 -1.174 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.48922.48921.39042.77561.39041.20453.58333.58332.05013.78472.0501
C22.48922.48921.39041.39042.77563.58331.20453.58332.05012.05013.7847
C32.48922.48922.77561.39041.39043.58333.58331.20453.78472.05012.0501
N41.39041.39042.77562.31832.31832.28782.28783.98011.00923.23193.2319
N52.77561.39041.39042.31832.31833.98012.28782.28783.23191.00923.2319
N61.39042.77561.39042.31832.31832.28783.98012.28783.23193.23191.0092
O71.20453.58333.58332.28783.98012.28784.57544.57542.50764.98922.5076
O83.58331.20453.58332.28782.28783.98014.57544.57542.50762.50764.9892
O93.58333.58331.20453.98012.28782.28784.57544.57544.98922.50762.5076
H102.05012.05013.78471.00923.23193.23192.50762.50764.98924.06624.0662
H113.78472.05012.05013.23191.00923.23194.98922.50762.50764.06624.0662
H122.05013.78472.05013.23193.23191.00922.50764.98922.50764.06624.0662

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 127.046 C1 N4 H10 116.477
C1 N6 C3 127.046 C1 N6 H12 116.477
C2 N4 H10 116.477 C2 N5 C3 127.046
C2 N5 H11 116.477 C3 N5 H11 116.477
C3 N6 H12 116.477 N4 C1 N6 112.954
N4 C1 O7 123.523 N4 C2 N5 112.954
N4 C2 O8 123.523 N5 C2 O8 123.523
N5 C3 N6 112.954 N5 C3 O9 123.523
N6 C1 O7 123.523 N6 C3 O9 123.523
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability