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

using model chemistry: QCISD(T)=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at QCISD(T)=FULL/6-31G*
 hartrees
Energy at 0K-504.857398
Energy at 298.15K-504.864705
HF Energy-503.379661
Nuclear repulsion energy445.501038
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 QCISD(T)=FULL/6-31G*
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' 3623 3623        
2 A1' 1879 1879        
3 A1' 998 998        
4 A1' 672 672        
5 A2' 1393 1393        
6 A2' 1260 1260        
7 A2' 620 620        
8 A2" 708 708        
9 A2" 664 664        
10 A2" 115 115        
11 E' 3620 3620        
11 E' 3620 3620        
12 E' 1866 1866        
12 E' 1866 1866        
13 E' 1492 1492        
13 E' 1492 1492        
14 E' 1420 1420        
14 E' 1419 1419        
15 E' 1043 1043        
15 E' 1041 1041        
16 E' 518 518        
16 E' 518 518        
17 E' 387 387        
17 E' 387 387        
18 E" 729 729        
18 E" 729 729        
19 E" 594 594        
19 E" 594 594        
20 E" 143 143        
20 E" 143 143        

Unscaled Zero Point Vibrational Energy (zpe) 17775.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17775.4 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 QCISD(T)=FULL/6-31G*
ABC
0.06675 0.06675 0.03338

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-31G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.246 0.719 0.000
C2 -1.246 0.719 0.000
C3 0.000 -1.439 0.000
N4 0.000 1.339 0.000
N5 -1.160 -0.670 0.000
N6 1.160 -0.670 0.000
O7 2.300 1.328 0.000
O8 -2.300 1.328 0.000
O9 0.000 -2.656 0.000
H10 0.000 2.355 0.000
H11 -2.040 -1.178 0.000
H12 2.040 -1.178 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.49232.49231.39172.77811.39171.21683.59793.59792.05643.79422.0564
C22.49232.49231.39171.39172.77813.59791.21683.59792.05642.05643.7942
C32.49232.49232.77811.39171.39173.59793.59791.21683.79422.05642.0564
N41.39171.39172.77812.31962.31962.29992.29993.99491.01613.23963.2396
N52.77811.39171.39172.31962.31963.99492.29992.29993.23961.01613.2396
N61.39172.77811.39172.31962.31962.29993.99492.29993.23963.23961.0161
O71.21683.59793.59792.29993.99492.29994.59984.59982.51905.01102.5190
O83.59791.21683.59792.29992.29993.99494.59984.59982.51902.51905.0110
O93.59793.59791.21683.99492.29992.29994.59984.59985.01102.51902.5190
H102.05642.05643.79421.01613.23963.23962.51902.51905.01104.07954.0795
H113.79422.05642.05643.23961.01613.23965.01102.51902.51904.07954.0795
H122.05643.79422.05643.23963.23961.01612.51905.01102.51904.07954.0795

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 127.115 C1 N4 H10 116.442
C1 N6 C3 127.115 C1 N6 H12 116.442
C2 N4 H10 116.442 C2 N5 C3 127.115
C2 N5 H11 116.442 C3 N5 H11 116.442
C3 N6 H12 116.442 N4 C1 N6 112.885
N4 C1 O7 123.558 N4 C2 N5 112.885
N4 C2 O8 123.558 N5 C2 O8 123.558
N5 C3 N6 112.884 N5 C3 O9 123.558
N6 C1 O7 123.558 N6 C3 O9 123.558
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability