return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: HF/STO-3G

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/STO-3G
 hartrees
Energy at 0K-496.718409
Energy at 298.15K-496.724834
HF Energy-496.718409
Nuclear repulsion energy438.884817
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/STO-3G
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' 4129 3372 0.00      
2 A1' 2114 1726 0.00      
3 A1' 1020 833 0.00      
4 A1' 728 594 0.00      
5 A2' 1599 1306 0.00      
6 A2' 1445 1180 0.00      
7 A2' 649 530 0.00      
8 A2" 726 592 124.64      
9 A2" 582 475 440.52      
10 A2" 43 35 7.66      
11 E' 4127 3370 72.59      
11 E' 4127 3370 72.59      
12 E' 2116 1728 500.95      
12 E' 2116 1728 500.95      
13 E' 1646 1344 160.53      
13 E' 1646 1344 160.53      
14 E' 1562 1276 268.72      
14 E' 1562 1276 268.72      
15 E' 1124 918 5.03      
15 E' 1124 918 5.03      
16 E' 542 443 10.47      
16 E' 542 443 10.47      
17 E' 404 330 23.54      
17 E' 404 330 23.54      
18 E" 715 584 0.00      
18 E" 715 584 0.00      
19 E" 526 430 0.00      
19 E" 526 430 0.00      
20 E" 67 55 0.00      
20 E" 67 55 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19347.2 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 15797.0 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 HF/STO-3G
ABC
0.06475 0.06475 0.03237

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.274 0.735 0.000
C2 -1.274 0.735 0.000
C3 0.000 -1.471 0.000
N4 0.000 1.371 0.000
N5 -1.187 -0.685 0.000
N6 1.187 -0.685 0.000
O7 2.328 1.344 0.000
O8 -2.328 1.344 0.000
O9 0.000 -2.688 0.000
H10 0.000 2.390 0.000
H11 -2.070 -1.195 0.000
H12 2.070 -1.195 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.54742.54741.42332.84141.42331.21703.65243.65242.08813.86072.0881
C22.54742.54741.42331.42332.84143.65241.21703.65242.08812.08813.8607
C32.54742.54742.84141.42331.42333.65243.65241.21703.86072.08812.0881
N41.42331.42332.84142.37402.37402.32782.32784.05841.01943.29653.2965
N52.84141.42331.42332.37402.37404.05842.32782.32783.29651.01943.2965
N61.42332.84141.42332.37402.37402.32784.05842.32783.29653.29651.0194
O71.21703.65243.65242.32784.05842.32784.65534.65532.55195.07782.5519
O83.65241.21703.65242.32782.32784.05844.65534.65532.55192.55195.0778
O93.65243.65241.21704.05842.32782.32784.65534.65535.07782.55192.5519
H102.08812.08813.86071.01943.29653.29652.55192.55195.07784.13964.1396
H113.86072.08812.08813.29651.01943.29655.07782.55192.55194.13964.1396
H122.08813.86072.08813.29653.29651.01942.55195.07782.55194.13964.1396

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 126.982 C1 N4 H10 116.509
C1 N6 C3 126.982 C1 N6 H12 116.509
C2 N4 H10 116.509 C2 N5 C3 126.982
C2 N5 H11 116.509 C3 N5 H11 116.509
C3 N6 H12 116.509 N4 C1 N6 113.018
N4 C1 O7 123.491 N4 C2 N5 113.018
N4 C2 O8 123.491 N5 C2 O8 123.491
N5 C3 N6 113.018 N5 C3 O9 123.491
N6 C1 O7 123.491 N6 C3 O9 123.491
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability