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

using model chemistry: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-504.812572
Energy at 298.15K 
HF Energy-503.404081
Nuclear repulsion energy445.478477
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 MP2/6-31+G**
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' 3684 3465 0.00      
2 A1' 1839 1730 0.00      
3 A1' 989 931 0.00      
4 A1' 668 628 0.00      
5 A2' 1399 1316 0.00      
6 A2' 1259 1184 0.00      
7 A2' 621 584 0.00      
8 A2" 659 620 94.76      
9 A2" 545 513 278.95      
10 A2" 127i 120i 4.21      
11 E' 3682 3464 180.18      
11 E' 3682 3464 180.18      
12 E' 1833 1724 1071.45      
12 E' 1833 1724 1071.45      
13 E' 1486 1398 363.29      
13 E' 1486 1398 363.29      
14 E' 1418 1333 74.98      
14 E' 1418 1333 74.98      
15 E' 1047 985 21.17      
15 E' 1047 985 21.17      
16 E' 517 486 22.37      
16 E' 517 486 22.37      
17 E' 386 364 25.50      
17 E' 386 364 25.50      
18 E" 698 656 0.00      
18 E" 698 656 0.00      
19 E" 537 505 0.00      
19 E" 537 505 0.00      
20 E" 105 99 0.00      
20 E" 105 99 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17476.9 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 16438.8 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 MP2/6-31+G**
ABC
0.06675 0.06675 0.03338

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.243 0.718 0.000
C2 -1.243 0.718 0.000
C3 0.000 -1.436 0.000
N4 0.000 1.339 0.000
N5 -1.160 -0.669 0.000
N6 1.160 -0.669 0.000
O7 2.301 1.329 0.000
O8 -2.301 1.329 0.000
O9 0.000 -2.658 0.000
H10 0.000 2.351 0.000
H11 -2.036 -1.175 0.000
H12 2.036 -1.175 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.48642.48641.38982.77451.38981.22203.59693.59692.05243.78632.0524
C22.48642.48641.38981.38982.77453.59691.22203.59692.05242.05243.7863
C32.48642.48642.77451.38981.38983.59693.59691.22203.78632.05242.0524
N41.38981.38982.77452.31922.31922.30152.30153.99651.01173.23523.2352
N52.77451.38981.38982.31922.31923.99652.30152.30153.23521.01173.2352
N61.38982.77451.38982.31922.31922.30153.99652.30153.23523.23521.0117
O71.22203.59693.59692.30153.99652.30154.60294.60292.51825.00822.5182
O83.59691.22203.59692.30152.30153.99654.60294.60292.51822.51825.0082
O93.59693.59691.22203.99652.30152.30154.60294.60295.00822.51822.5182
H102.05242.05243.78631.01173.23523.23522.51822.51825.00824.07164.0716
H113.78632.05242.05243.23521.01173.23525.00822.51822.51824.07164.0716
H122.05243.78632.05243.23523.23521.01172.51825.00822.51824.07164.0716

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 126.898 C1 N4 H10 116.551
C1 N6 C3 126.898 C1 N6 H12 116.551
C2 N4 H10 116.551 C2 N5 C3 126.898
C2 N5 H11 116.551 C3 N5 H11 116.551
C3 N6 H12 116.551 N4 C1 N6 113.102
N4 C1 O7 123.449 N4 C2 N5 113.102
N4 C2 O8 123.449 N5 C2 O8 123.449
N5 C3 N6 113.102 N5 C3 O9 123.449
N6 C1 O7 123.449 N6 C3 O9 123.449
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability