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

using model chemistry: MP4=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at MP4=FULL/3-21G
 hartrees
Energy at 0K-501.570435
Energy at 298.15K-501.577923
HF Energy-500.552401
Nuclear repulsion energy438.062493
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 MP4=FULL/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1' 3549 3474        
2 A1' 1733 1697        
3 A1' 976 955        
4 A1' 622 608        
5 A2' 1421 1390        
6 A2' 1120 1096        
7 A2' 611 598        
8 A2" 809 792        
9 A2" 702 687        
10 A2" 156 152        
11 E' 3547 3472        
11 E' 3547 3472        
12 E' 1733 1697        
12 E' 1724 1687        
13 E' 1406 1376        
13 E' 1405 1375        
14 E' 1364 1335        
14 E' 1364 1335        
15 E' 988 967        
15 E' 988 967        
16 E' 499 489        
16 E' 499 488        
17 E' 377 369        
17 E' 377 369        
18 E" 759 743        
18 E" 759 743        
19 E" 666 652        
19 E" 666 652        
20 E" 156 153        
20 E" 156 153        

Unscaled Zero Point Vibrational Energy (zpe) 17338.0 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 16970.4 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 MP4=FULL/3-21G
ABC
0.06442 0.06442 0.03221

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.267 0.732 0.000
C2 -1.267 0.732 0.000
C3 0.000 -1.463 0.000
N4 0.000 1.354 0.000
N5 -1.173 -0.677 0.000
N6 1.173 -0.677 0.000
O7 2.346 1.355 0.000
O8 -2.346 1.355 0.000
O9 0.000 -2.709 0.000
H10 0.000 2.373 0.000
H11 -2.055 -1.186 0.000
H12 2.055 -1.186 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.53452.53451.41192.81751.41191.24603.66693.66692.07333.83592.0733
C22.53452.53451.41191.41192.81753.66691.24603.66692.07332.07333.8359
C32.53452.53452.81751.41191.41193.66693.66691.24603.83592.07332.0733
N41.41191.41192.81752.34552.34552.34632.34634.06351.01853.26743.2674
N52.81751.41191.41192.34552.34554.06352.34632.34633.26741.01853.2674
N61.41192.81751.41192.34552.34552.34634.06352.34633.26743.26741.0185
O71.24603.66693.66692.34634.06352.34634.69264.69262.55765.08192.5576
O83.66691.24603.66692.34632.34634.06354.69264.69262.55762.55765.0819
O93.66693.66691.24604.06352.34632.34634.69264.69265.08192.55762.5576
H102.07332.07333.83591.01853.26743.26742.55762.55765.08194.10954.1095
H113.83592.07332.07333.26741.01853.26745.08192.55762.55764.10954.1095
H122.07333.83592.07333.26743.26741.01852.55765.08192.55764.10954.1095

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 127.677 C1 N4 H10 116.162
C1 N6 C3 127.677 C1 N6 H12 116.162
C2 N4 H10 116.162 C2 N5 C3 127.677
C2 N5 H11 116.162 C3 N5 H11 116.162
C3 N6 H12 116.162 N4 C1 N6 112.323
N4 C1 O7 123.838 N4 C2 N5 112.323
N4 C2 O8 123.838 N5 C2 O8 123.838
N5 C3 N6 112.323 N5 C3 O9 123.838
N6 C1 O7 123.838 N6 C3 O9 123.838
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability