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

using model chemistry: HF/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 HF/6-31G**
 hartrees
Energy at 0K-503.399740
Energy at 298.15K-503.407711
HF Energy-503.399740
Nuclear repulsion energy452.954926
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' 3877 3500 0.00      
2 A1' 2054 1854 0.00      
3 A1' 1077 972 0.00      
4 A1' 731 660 0.00      
5 A2' 1530 1381 0.00      
6 A2' 1367 1234 0.00      
7 A2' 694 627 0.00      
8 A2" 860 776 254.08      
9 A2" 710 641 318.41      
10 A2" 152 137 1.98      
11 E' 3874 3497 208.05      
11 E' 3874 3497 208.05      
12 E' 2027 1829 1254.42      
12 E' 2027 1829 1254.42      
13 E' 1623 1465 366.99      
13 E' 1623 1465 366.99      
14 E' 1543 1392 144.79      
14 E' 1543 1392 144.79      
15 E' 1122 1012 14.59      
15 E' 1122 1012 14.59      
16 E' 565 510 29.12      
16 E' 565 510 29.12      
17 E' 430 389 36.57      
17 E' 430 389 36.57      
18 E" 838 756 0.00      
18 E" 838 756 0.00      
19 E" 653 589 0.00      
19 E" 653 589 0.00      
20 E" 168 152 0.00      
20 E" 168 152 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19367.3 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 17480.9 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 HF/6-31G**
ABC
0.06908 0.06908 0.03454

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.227 0.708 0.000
C2 -1.227 0.708 0.000
C3 0.000 -1.417 0.000
N4 0.000 1.328 0.000
N5 -1.150 -0.664 0.000
N6 1.150 -0.664 0.000
O7 2.255 1.302 0.000
O8 -2.255 1.302 0.000
O9 0.000 -2.604 0.000
H10 0.000 2.325 0.000
H11 -2.013 -1.162 0.000
H12 2.013 -1.162 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.45382.45381.37472.74511.37471.18723.53223.53222.02953.74172.0295
C22.45382.45381.37471.37472.74513.53221.18723.53222.02952.02953.7417
C32.45382.45382.74511.37471.37473.53223.53221.18723.74172.02952.0295
N41.37471.37472.74512.30092.30092.25522.25523.93230.99663.20293.2029
N52.74511.37471.37472.30092.30093.93232.25522.25523.20290.99663.2029
N61.37472.74511.37472.30092.30092.25523.93232.25523.20293.20290.9966
O71.18723.53223.53222.25523.93232.25524.51014.51012.47634.92892.4763
O83.53221.18723.53222.25522.25523.93234.51014.51012.47632.47634.9289
O93.53223.53221.18723.93232.25522.25524.51014.51014.92892.47632.4763
H102.02952.02953.74170.99663.20293.20292.47632.47634.92894.02704.0270
H113.74172.02952.02953.20290.99663.20294.92892.47632.47634.02704.0270
H122.02953.74172.02953.20293.20290.99662.47634.92892.47634.02704.0270

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 126.375 C1 N4 H10 116.812
C1 N6 C3 126.375 C1 N6 H12 116.812
C2 N4 H10 116.812 C2 N5 C3 126.375
C2 N5 H11 116.812 C3 N5 H11 116.812
C3 N6 H12 116.812 N4 C1 N6 113.625
N4 C1 O7 123.188 N4 C2 N5 113.625
N4 C2 O8 123.188 N5 C2 O8 123.188
N5 C3 N6 113.625 N5 C3 O9 123.188
N6 C1 O7 123.188 N6 C3 O9 123.188
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability