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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-505.081073
Energy at 298.15K-505.088519
HF Energy-503.438067
Nuclear repulsion energy448.108765
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 MP2/6-31G(2df,p)
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' 3676 3472 0.00      
2 A1' 1879 1774 0.00      
3 A1' 996 940 0.00      
4 A1' 671 634 0.00      
5 A2' 1372 1296 0.00      
6 A2' 1260 1190 0.00      
7 A2' 624 589 0.00      
8 A2" 762 720 59.51      
9 A2" 677 639 278.11      
10 A2" 120 113 0.70      
11 E' 3674 3470 177.21      
11 E' 3674 3470 177.21      
12 E' 1871 1768 838.38      
12 E' 1871 1768 838.38      
13 E' 1487 1404 364.84      
13 E' 1487 1404 364.84      
14 E' 1404 1327 23.79      
14 E' 1404 1327 23.79      
15 E' 1043 985 11.05      
15 E' 1043 985 11.05      
16 E' 514 485 21.36      
16 E' 514 485 21.36      
17 E' 391 369 25.28      
17 E' 391 369 25.28      
18 E" 769 726 0.00      
18 E" 769 726 0.00      
19 E" 605 572 0.00      
19 E" 605 572 0.00      
20 E" 147 139 0.00      
20 E" 147 139 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17923.0 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 16928.3 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 MP2/6-31G(2df,p)
ABC
0.06752 0.06752 0.03376

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.241 0.716 0.000
C2 -1.241 0.716 0.000
C3 0.000 -1.432 0.000
N4 0.000 1.331 0.000
N5 -1.153 -0.666 0.000
N6 1.153 -0.666 0.000
O7 2.286 1.320 0.000
O8 -2.286 1.320 0.000
O9 0.000 -2.640 0.000
H10 0.000 2.341 0.000
H11 -2.027 -1.170 0.000
H12 2.027 -1.170 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.48112.48111.38462.76361.38461.20773.57823.57822.04423.77342.0442
C22.48112.48111.38461.38462.76363.57821.20773.57822.04422.04423.7734
C32.48112.48112.76361.38461.38463.57823.57821.20773.77342.04422.0442
N41.38461.38462.76362.30562.30562.28642.28643.97131.00983.22003.2200
N52.76361.38461.38462.30562.30563.97132.28642.28643.22001.00983.2200
N61.38462.76361.38462.30562.30562.28643.97132.28643.22003.22001.0098
O71.20773.57823.57822.28643.97132.28644.57284.57282.50404.98112.5040
O83.57821.20773.57822.28642.28643.97134.57284.57282.50402.50404.9811
O93.57823.57821.20773.97132.28642.28644.57284.57284.98112.50402.5040
H102.04422.04423.77341.00983.22003.22002.50402.50404.98114.05474.0547
H113.77342.04422.04423.22001.00983.22004.98112.50402.50404.05474.0547
H122.04423.77342.04423.22003.22001.00982.50404.98112.50404.05474.0547

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 127.264 C1 N4 H10 116.368
C1 N6 C3 127.264 C1 N6 H12 116.368
C2 N4 H10 116.368 C2 N5 C3 127.264
C2 N5 H11 116.368 C3 N5 H11 116.368
C3 N6 H12 116.368 N4 C1 N6 112.736
N4 C1 O7 123.632 N4 C2 N5 112.736
N4 C2 O8 123.632 N5 C2 O8 123.632
N5 C3 N6 112.736 N5 C3 O9 123.632
N6 C1 O7 123.632 N6 C3 O9 123.632
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability