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: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-504.967510
Energy at 298.15K-504.974810
HF Energy-503.504401
Nuclear repulsion energy446.930957
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 MP2/6-311G*
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' 3672 3490 0.00      
2 A1' 1873 1780 0.00      
3 A1' 1001 951 0.00      
4 A1' 669 636 0.00      
5 A2' 1418 1348 0.00      
6 A2' 1248 1186 0.00      
7 A2' 628 596 0.00      
8 A2" 738 701 64.04      
9 A2" 657 625 345.14      
10 A2" 114 108 0.03      
11 E' 3671 3488 149.33      
11 E' 3671 3488 149.33      
12 E' 1871 1778 936.44      
12 E' 1871 1778 936.44      
13 E' 1491 1417 328.62      
13 E' 1491 1417 328.62      
14 E' 1431 1360 86.15      
14 E' 1431 1360 86.15      
15 E' 1049 996 16.63      
15 E' 1049 996 16.63      
16 E' 519 493 22.46      
16 E' 519 493 22.46      
17 E' 392 373 24.77      
17 E' 392 373 24.77      
18 E" 746 709 0.00      
18 E" 746 709 0.00      
19 E" 577 548 0.00      
19 E" 577 548 0.00      
20 E" 124 118 0.00      
20 E" 124 118 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17878.8 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 16990.2 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 MP2/6-311G*
ABC
0.06716 0.06716 0.03358

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.244 0.719 0.000
C2 -1.244 0.719 0.000
C3 0.000 -1.437 0.000
N4 0.000 1.336 0.000
N5 -1.157 -0.668 0.000
N6 1.157 -0.668 0.000
O7 2.292 1.323 0.000
O8 -2.292 1.323 0.000
O9 0.000 -2.646 0.000
H10 0.000 2.346 0.000
H11 -2.032 -1.173 0.000
H12 2.032 -1.173 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.48902.48901.38942.77341.38941.20903.58733.58732.04923.78352.0492
C22.48902.48901.38941.38942.77343.58731.20903.58732.04922.04923.7835
C32.48902.48902.77341.38941.38943.58733.58731.20903.78352.04922.0492
N41.38941.38942.77342.31472.31472.29162.29163.98251.01013.22923.2292
N52.77341.38941.38942.31472.31473.98252.29162.29163.22921.01013.2292
N61.38942.77341.38942.31472.31472.29163.98252.29163.22923.22921.0101
O71.20903.58733.58732.29163.98252.29164.58314.58312.50974.99252.5097
O83.58731.20903.58732.29162.29163.98254.58314.58312.50972.50974.9925
O93.58733.58731.20903.98252.29162.29164.58314.58314.99252.50972.5097
H102.04922.04923.78351.01013.22923.22922.50972.50974.99254.06424.0642
H113.78352.04922.04923.22921.01013.22924.99252.50972.50974.06424.0642
H122.04923.78352.04923.22923.22921.01012.50974.99252.50974.06424.0642

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 127.190 C1 N4 H10 116.405
C1 N6 C3 127.190 C1 N6 H12 116.405
C2 N4 H10 116.405 C2 N5 C3 127.190
C2 N5 H11 116.405 C3 N5 H11 116.405
C3 N6 H12 116.405 N4 C1 N6 112.810
N4 C1 O7 123.595 N4 C2 N5 112.810
N4 C2 O8 123.595 N5 C2 O8 123.595
N5 C3 N6 112.810 N5 C3 O9 123.595
N6 C1 O7 123.595 N6 C3 O9 123.595
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability