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: QCISD/6-311G**

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/6-311G**
 hartrees
Energy at 0K-279.673497
Energy at 298.15K-279.679151
Nuclear repulsion energy211.500585
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/6-311G**
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' 3212 3064 0.00      
2 A1' 1161 1108 0.00      
3 A1' 1022 975 0.00      
4 A2' 1414 1349 0.00      
5 A2' 1100 1050 0.00      
6 A2" 950 906 0.02      
7 A2" 756 721 35.98      
8 E' 3208 3060 23.59      
8 E' 3208 3060 23.59      
9 E' 1634 1559 125.26      
9 E' 1634 1559 125.26      
10 E' 1456 1389 69.63      
10 E' 1456 1389 69.63      
11 E' 1213 1157 0.22      
11 E' 1213 1157 0.22      
12 E' 692 660 16.68      
12 E' 692 660 16.68      
13 E" 1047 999 0.00      
13 E" 1047 999 0.00      
14 E" 352 336 0.00      
14 E" 352 336 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 14406.6 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 13745.3 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/6-311G**
ABC
0.21460 0.21460 0.10730

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.293 0.000
C2 1.120 -0.647 0.000
C3 -1.120 -0.647 0.000
N4 0.000 -1.378 0.000
N5 1.193 0.689 0.000
N6 -1.193 0.689 0.000
H7 0.000 2.381 0.000
H8 2.062 -1.190 0.000
H9 -2.062 -1.190 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 H7 H8 H9
C12.23992.23992.67121.33761.33761.08763.22793.2279
C22.23992.23991.33761.33762.67123.22791.08763.2279
C32.23992.23991.33762.67121.33763.22793.22791.0876
N42.67121.33761.33762.38672.38673.75882.07042.0704
N51.33761.33762.67122.38672.38672.07042.07043.7588
N61.33762.67121.33762.38672.38672.07043.75882.0704
H71.08763.22793.22793.75882.07042.07044.12374.1237
H83.22791.08763.22792.07042.07043.75884.12374.1237
H93.22793.22791.08762.07043.75882.07044.12374.1237

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 113.705 C1 N6 C3 113.705
C2 N4 C3 113.705 N4 C2 N5 126.295
N4 C2 H8 116.853 N4 C3 N6 126.295
N4 C3 H9 116.853 N5 C1 N6 126.295
N5 C1 H7 116.853 N5 C2 H8 116.853
N6 C1 H7 116.853 N6 C3 H9 116.853
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability