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: B3LYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B3LYP/cc-pVTZ
 hartrees
Energy at 0K-506.328349
Energy at 298.15K-506.335860
HF Energy-506.328349
Nuclear repulsion energy448.046941
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 B3LYP/cc-pVTZ
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' 3624 3503 0.00      
2 A1' 1840 1779 0.00      
3 A1' 991 958 0.00      
4 A1' 665 643 0.00      
5 A2' 1380 1334 0.00      
6 A2' 1203 1163 0.00      
7 A2' 635 613 0.00      
8 A2" 768 743 91.44      
9 A2" 665 643 224.95      
10 A2" 133 128 3.28      
11 E' 3621 3500 150.60      
11 E' 3621 3500 150.61      
12 E' 1818 1757 948.36      
12 E' 1818 1757 948.32      
13 E' 1456 1408 283.70      
13 E' 1456 1408 283.59      
14 E' 1407 1360 103.08      
14 E' 1407 1360 103.11      
15 E' 1026 992 16.45      
15 E' 1026 992 16.46      
16 E' 519 502 29.32      
16 E' 519 502 29.32      
17 E' 392 379 23.89      
17 E' 392 379 23.89      
18 E" 762 736 0.00      
18 E" 762 736 0.00      
19 E" 603 583 0.00      
19 E" 603 583 0.00      
20 E" 155 150 0.00      
20 E" 155 150 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17711.3 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 17119.8 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 B3LYP/cc-pVTZ
ABC
0.06755 0.06755 0.03378

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.240 0.716 0.000
C2 -1.240 0.716 0.000
C3 0.000 -1.431 0.000
N4 0.000 1.337 0.000
N5 -1.158 -0.669 0.000
N6 1.158 -0.669 0.000
O7 2.283 1.318 0.000
O8 -2.283 1.318 0.000
O9 0.000 -2.637 0.000
H10 0.000 2.345 0.000
H11 -2.031 -1.173 0.000
H12 2.031 -1.173 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.47942.47941.38672.76861.38671.20523.57433.57432.04763.77702.0476
C22.47942.47941.38671.38672.76863.57431.20523.57432.04762.04763.7770
C32.47942.47942.76861.38671.38673.57433.57431.20523.77702.04762.0476
N41.38671.38672.76862.31592.31592.28362.28363.97381.00843.22883.2288
N52.76861.38671.38672.31592.31593.97382.28362.28363.22881.00843.2288
N61.38672.76861.38672.31592.31592.28363.97382.28363.22883.22881.0084
O71.20523.57433.57432.28363.97382.28364.56704.56702.50384.98222.5038
O83.57431.20523.57432.28362.28363.97384.56704.56702.50382.50384.9822
O93.57433.57431.20523.97382.28362.28364.56704.56704.98222.50382.5038
H102.04762.04763.77701.00843.22883.22882.50382.50384.98224.06254.0625
H113.77702.04762.04763.22881.00843.22884.98222.50382.50384.06254.0625
H122.04763.77702.04763.22883.22881.00842.50384.98222.50384.06254.0625

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 126.760 C1 N4 H10 116.620
C1 N6 C3 126.760 C1 N6 H12 116.620
C2 N4 H10 116.620 C2 N5 C3 126.760
C2 N5 H11 116.620 C3 N5 H11 116.620
C3 N6 H12 116.620 N4 C1 N6 113.240
N4 C1 O7 123.380 N4 C2 N5 113.240
N4 C2 O8 123.380 N5 C2 O8 123.380
N5 C3 N6 113.240 N5 C3 O9 123.380
N6 C1 O7 123.380 N6 C3 O9 123.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability