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

using model chemistry: QCISD/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 QCISD/cc-pVTZ
 hartrees
Energy at 0K-505.312613
Energy at 298.15K-505.320128
HF Energy-503.576044
Nuclear repulsion energy449.001642
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/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' 3681 3517 0.00      
2 A1' 1875 1791 0.00      
3 A1' 1006 961 0.00      
4 A1' 678 648 0.00      
5 A2' 1400 1338 0.00      
6 A2' 1273 1216 0.00      
7 A2' 641 613 0.00      
8 A2" 772 738 69.95      
9 A2" 660 631 271.53      
10 A2" 124 119 1.46      
11 E' 3678 3515 160.70      
11 E' 3678 3515 160.70      
12 E' 1858 1775 988.79      
12 E' 1858 1775 988.81      
13 E' 1505 1438 353.64      
13 E' 1505 1438 353.72      
14 E' 1427 1363 52.10      
14 E' 1427 1363 52.14      
15 E' 1049 1003 19.21      
15 E' 1049 1003 19.22      
16 E' 523 500 24.85      
16 E' 523 500 24.85      
17 E' 399 381 27.47      
17 E' 399 381 27.55      
18 E" 771 737 0.00      
18 E" 771 737 0.00      
19 E" 591 564 0.00      
19 E" 591 564 0.00      
20 E" 148 141 0.00      
20 E" 148 141 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18004.0 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 17202.8 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 QCISD/cc-pVTZ
ABC
0.06785 0.06785 0.03392

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.236 0.714 0.000
C2 -1.236 0.714 0.000
C3 0.000 -1.427 0.000
N4 0.000 1.335 0.000
N5 -1.156 -0.667 0.000
N6 1.156 -0.667 0.000
O7 2.279 1.316 0.000
O8 -2.279 1.316 0.000
O9 0.000 -2.631 0.000
H10 0.000 2.340 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
C12.47182.47181.38322.76171.38321.20413.56583.56582.04303.76742.0430
C22.47182.47181.38321.38322.76173.56581.20413.56582.04302.04303.7674
C32.47182.47182.76171.38321.38323.56583.56581.20413.76742.04302.0430
N41.38321.38322.76172.31162.31162.27882.27883.96581.00573.22203.2220
N52.76171.38321.38322.31162.31163.96582.27882.27883.22201.00573.2220
N61.38322.76171.38322.31162.31162.27883.96582.27883.22203.22201.0057
O71.20413.56583.56582.27883.96582.27884.55744.55742.49854.97152.4985
O83.56581.20413.56582.27882.27883.96584.55744.55742.49852.49854.9715
O93.56583.56581.20413.96582.27882.27884.55744.55744.97152.49852.4985
H102.04302.04303.76741.00573.22203.22202.49852.49854.97154.05354.0535
H113.76742.04302.04303.22201.00573.22204.97152.49852.49854.05354.0535
H122.04303.76742.04303.22203.22201.00572.49854.97152.49854.05354.0535

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 126.639 C1 N4 H10 116.680
C1 N6 C3 126.639 C1 N6 H12 116.680
C2 N4 H10 116.680 C2 N5 C3 126.639
C2 N5 H11 116.680 C3 N5 H11 116.681
C3 N6 H12 116.681 N4 C1 N6 113.361
N4 C1 O7 123.320 N4 C2 N5 113.361
N4 C2 O8 123.320 N5 C2 O8 123.320
N5 C3 N6 113.361 N5 C3 O9 123.320
N6 C1 O7 123.320 N6 C3 O9 123.320
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability