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 C3H3N3 (1,3,5-Triazine)

using model chemistry: MP2/CEP-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 MP2/CEP-31G*
 hartrees
Energy at 0K-48.047897
Energy at 298.15K-48.053512
HF Energy-47.242850
Nuclear repulsion energy105.959776
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/CEP-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' 3240 3076 0.00      
2 A1' 1124 1067 0.00      
3 A1' 997 947 0.00      
4 A2' 1400 1330 0.00      
5 A2' 1249 1186 0.00      
6 A2" 922 876 4.82      
7 A2" 769 730 31.19      
8 E' 3234 3070 27.58      
8 E' 3234 3070 27.58      
9 E' 1596 1515 86.00      
9 E' 1596 1515 86.00      
10 E' 1441 1368 53.92      
10 E' 1441 1368 53.92      
11 E' 1189 1129 0.25      
11 E' 1189 1129 0.25      
12 E' 678 643 16.17      
12 E' 678 643 16.17      
13 E" 1026 974 0.00      
13 E" 1026 974 0.00      
14 E" 361 342 0.00      
14 E" 361 342 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 14374.5 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 13647.2 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/CEP-31G*
ABC
0.20927 0.20927 0.10464

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.309 0.000
C2 1.134 -0.655 0.000
C3 -1.134 -0.655 0.000
N4 0.000 -1.396 0.000
N5 1.209 0.698 0.000
N6 -1.209 0.698 0.000
H7 0.000 2.405 0.000
H8 2.083 -1.203 0.000
H9 -2.083 -1.203 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 H7 H8 H9
C12.26792.26792.70561.35491.35491.09573.26313.2631
C22.26792.26791.35491.35492.70563.26311.09573.2631
C32.26792.26791.35492.70561.35493.26313.26311.0957
N42.70561.35491.35492.41842.41843.80132.09182.0918
N51.35491.35492.70562.41842.41842.09182.09183.8013
N61.35492.70561.35492.41842.41842.09183.80132.0918
H71.09573.26313.26313.80132.09182.09184.16574.1657
H83.26311.09573.26312.09182.09183.80134.16574.1657
H93.26313.26311.09572.09183.80132.09184.16574.1657

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 113.634 C1 N6 C3 113.634
C2 N4 C3 113.634 N4 C2 N5 126.366
N4 C2 H8 116.817 N4 C3 N6 126.366
N4 C3 H9 116.817 N5 C1 N6 126.366
N5 C1 H7 116.817 N5 C2 H8 116.817
N6 C1 H7 116.817 N6 C3 H9 116.817
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability