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

using model chemistry: G2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at G2
 hartrees
Energy at 0K-505.443856
Energy at 298.15K-505.435816
HF Energy-503.387801
Nuclear repulsion energy452.803790
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 HF/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' 3866 3642 0.00      
2 A1' 2055 1937 0.00      
3 A1' 1078 1016 0.00      
4 A1' 730 688 0.00      
5 A2' 1538 1449 0.00      
6 A2' 1369 1290 0.00      
7 A2' 694 654 0.00      
8 A2" 859 810 264.83      
9 A2" 713 672 324.90      
10 A2" 151 142 1.56      
11 E' 3862 3639 201.86      
11 E' 3862 3639 201.86      
12 E' 2028 1911 1254.82      
12 E' 2028 1911 1254.82      
13 E' 1623 1529 349.65      
13 E' 1623 1529 349.65      
14 E' 1550 1461 165.34      
14 E' 1550 1461 165.34      
15 E' 1127 1062 15.22      
15 E' 1127 1062 15.22      
16 E' 564 532 29.18      
16 E' 564 532 29.18      
17 E' 430 405 36.60      
17 E' 430 405 36.60      
18 E" 838 790 0.00      
18 E" 838 790 0.00      
19 E" 652 614 0.00      
19 E" 652 614 0.00      
20 E" 167 158 0.00      
20 E" 167 158 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19368.5 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 18249.0 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 MP2=FULL/6-31G*
ABC
0.06694 0.06694 0.03347

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.244 0.718 0.000
C2 -1.244 0.718 0.000
C3 0.000 -1.436 0.000
N4 0.000 1.335 0.000
N5 -1.156 -0.667 0.000
N6 1.156 -0.667 0.000
O7 2.298 1.327 0.000
O8 -2.298 1.327 0.000
O9 0.000 -2.654 0.000
H10 0.000 2.350 0.000
H11 -2.035 -1.175 0.000
H12 2.035 -1.175 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.48722.48721.38812.77071.38811.21763.59363.59362.05163.78572.0516
C22.48722.48721.38811.38812.77073.59361.21763.59362.05162.05163.7857
C32.48722.48722.77071.38811.38813.59363.59361.21763.78572.05162.0516
N41.38811.38812.77072.31182.31182.29812.29813.98831.01503.23103.2310
N52.77071.38811.38812.31182.31183.98832.29812.29813.23101.01503.2310
N61.38812.77071.38812.31182.31182.29813.98832.29813.23103.23101.0150
O71.21763.59363.59362.29813.98832.29814.59624.59622.51555.00342.5155
O83.59361.21763.59362.29812.29813.98834.59624.59622.51552.51555.0034
O93.59363.59361.21763.98832.29812.29814.59624.59625.00342.51552.5155
H102.05162.05163.78571.01503.23103.23102.51552.51555.00344.06994.0699
H113.78572.05162.05163.23101.01503.23105.00342.51552.51554.06994.0699
H122.05163.78572.05163.23103.23101.01502.51555.00342.51554.06994.0699

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 126.169 C1 N4 H10 116.916
C1 N6 C3 126.169 C1 N6 H12 116.916
C2 N4 H10 116.916 C2 N5 C3 126.169
C2 N5 H11 116.916 C3 N5 H11 116.916
C3 N6 H12 116.916 N4 C1 N6 113.831
N4 C1 O7 123.084 N4 C2 N5 113.831
N4 C2 O8 123.084 N5 C2 O8 123.084
N5 C3 N6 113.831 N5 C3 O9 123.084
N6 C1 O7 123.084 N6 C3 O9 123.084
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability