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All results from a given calculation for C3H3N3 (1,3,5-Triazine)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-277.681078
Energy at 298.15K-277.686687
HF Energy-277.092062
Nuclear repulsion energy207.390750
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 MP2/3-21G*
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' 3251 3093 0.00      
2 A1' 1169 1112 0.00      
3 A1' 934 888 0.00      
4 A2' 1431 1362 0.00      
5 A2' 955 909 0.00      
6 A2" 938 893 3.90      
7 A2" 777 740 35.55      
8 E' 3241 3083 18.56      
8 E' 3241 3083 18.56      
9 E' 1485 1412 0.70      
9 E' 1485 1412 0.70      
10 E' 1390 1322 99.11      
10 E' 1390 1322 99.11      
11 E' 1103 1050 1.67      
11 E' 1103 1050 1.67      
12 E' 689 655 17.62      
12 E' 689 655 17.62      
13 E" 1028 978 0.00      
13 E" 1028 978 0.00      
14 E" 378 360 0.00      
14 E" 378 360 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 14041.3 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 13357.5 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 MP2/3-21G*
ABC
0.20606 0.20606 0.10303

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.330 0.000
C2 1.152 -0.665 0.000
C3 -1.152 -0.665 0.000
N4 0.000 -1.400 0.000
N5 1.212 0.700 0.000
N6 -1.212 0.700 0.000
H7 0.000 2.413 0.000
H8 2.089 -1.206 0.000
H9 -2.089 -1.206 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 H7 H8 H9
C12.30392.30392.73001.36641.36641.08263.28633.2863
C22.30392.30391.36641.36642.73003.28631.08263.2863
C32.30392.30391.36642.73001.36643.28633.28631.0826
N42.73001.36641.36642.42472.42473.81262.09842.0984
N51.36641.36642.73002.42472.42472.09842.09843.8126
N61.36642.73001.36642.42472.42472.09843.81262.0984
H71.08263.28633.28633.81262.09842.09844.17904.1790
H83.28631.08263.28632.09842.09843.81264.17904.1790
H93.28633.28631.08262.09843.81262.09844.17904.1790

picture of 1,3,5-Triazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N5 C2 114.932 C1 N6 C3 114.932
C2 N4 C3 114.932 N4 C2 N5 125.068
N4 C2 H8 117.466 N4 C3 N6 125.068
N4 C3 H9 117.466 N5 C1 N6 125.068
N5 C1 H7 117.466 N5 C2 H8 117.466
N6 C1 H7 117.466 N6 C3 H9 117.466
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability