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

using model chemistry: MP2/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-95.120330
Energy at 298.15K-95.127463
HF Energy-94.173276
Nuclear repulsion energy227.285746
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/CEP-121G
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' 3585 3499 0.00      
2 A1' 1677 1637 0.00      
3 A1' 964 941 0.00      
4 A1' 623 608 0.00      
5 A2' 1455 1421 0.00      
6 A2' 1202 1173 0.00      
7 A2' 583 569 0.00      
8 A2" 689 672 365.40      
9 A2" 640 624 149.74      
10 A2" 144 140 1.88      
11 E' 3583 3497 120.57      
11 E' 3583 3497 120.57      
12 E' 1713 1672 891.51      
12 E' 1713 1672 891.51      
13 E' 1415 1381 78.31      
13 E' 1415 1381 78.31      
14 E' 1391 1358 380.87      
14 E' 1391 1358 380.87      
15 E' 998 974 22.47      
15 E' 998 974 22.47      
16 E' 502 490 24.26      
16 E' 502 490 24.26      
17 E' 361 352 24.94      
17 E' 361 352 24.94      
18 E" 663 647 0.00      
18 E" 663 647 0.00      
19 E" 586 572 0.00      
19 E" 586 572 0.00      
20 E" 126 123 0.00      
20 E" 126 123 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17116.8 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 16706.0 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 MP2/CEP-121G
ABC
0.06343 0.06343 0.03171

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.270 0.733 0.000
C2 -1.270 0.733 0.000
C3 0.000 -1.466 0.000
N4 0.000 1.372 0.000
N5 -1.188 -0.686 0.000
N6 1.188 -0.686 0.000
O7 2.365 1.365 0.000
O8 -2.365 1.365 0.000
O9 0.000 -2.731 0.000
H10 0.000 2.391 0.000
H11 -2.071 -1.195 0.000
H12 2.071 -1.195 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.53942.53941.42142.83811.42141.26463.68923.68922.08823.85702.0882
C22.53942.53941.42141.42142.83813.68921.26463.68922.08822.08823.8570
C32.53942.53942.83811.42141.42143.68923.68921.26463.85702.08822.0882
N41.42141.42142.83812.37632.37632.36492.36494.10271.01903.29833.2983
N52.83811.42141.42142.37632.37634.10272.36492.36493.29831.01903.2983
N61.42142.83811.42142.37632.37632.36494.10272.36493.29833.29831.0190
O71.26463.68923.68922.36494.10272.36494.72984.72982.57775.12162.5777
O83.68921.26463.68922.36492.36494.10274.72984.72982.57772.57775.1216
O93.68923.68921.26464.10272.36492.36494.72984.72985.12162.57772.5777
H102.08822.08823.85701.01903.29833.29832.57772.57775.12164.14124.1412
H113.85702.08822.08823.29831.01903.29835.12162.57772.57774.14124.1412
H122.08823.85702.08823.29833.29831.01902.57775.12162.57774.14124.1412

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 126.580 C1 N4 H10 116.710
C1 N6 C3 126.580 C1 N6 H12 116.710
C2 N4 H10 116.710 C2 N5 C3 126.580
C2 N5 H11 116.710 C3 N5 H11 116.710
C3 N6 H12 116.710 N4 C1 N6 113.420
N4 C1 O7 123.290 N4 C2 N5 113.420
N4 C2 O8 123.290 N5 C2 O8 123.290
N5 C3 N6 113.420 N5 C3 O9 123.290
N6 C1 O7 123.290 N6 C3 O9 123.290
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability