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 CH2N4 (1H-Tetrazole)

using model chemistry: PBEPBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31G*
 hartrees
Energy at 0K-257.979573
Energy at 298.15K-257.985063
HF Energy-257.979573
Nuclear repulsion energy165.331213
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 PBEPBE/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3555 3504 57.09      
2 A' 3236 3190 0.59      
3 A' 1456 1435 14.80      
4 A' 1419 1399 7.79      
5 A' 1237 1219 4.19      
6 A' 1217 1200 10.95      
7 A' 1119 1103 13.44      
8 A' 1032 1017 26.73      
9 A' 1016 1001 13.53      
10 A' 974 960 1.62      
11 A' 933 919 4.54      
12 A" 799 788 22.87      
13 A" 717 706 7.39      
14 A" 672 663 8.64      
15 A" 555 547 81.86      

Unscaled Zero Point Vibrational Energy (zpe) 9967.0 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 9824.5 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 PBEPBE/6-31G*
ABC
0.34582 0.33905 0.17120

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.075 0.238 0.000
N2 0.000 1.061 0.000
N3 -1.132 0.306 0.000
N4 -0.726 -0.934 0.000
N5 0.644 -1.016 0.000
H6 2.111 0.571 0.000
H7 -0.062 2.078 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.35372.20812.14911.32641.08792.1630
N21.35371.36072.12342.17482.16691.0191
N32.20811.36071.30542.21453.25362.0698
N42.14912.12341.30541.37263.21143.0848
N51.32642.17482.21451.37262.16093.1740
H61.08792.16693.25363.21142.16092.6447
H72.16301.01912.06983.08483.17402.6447

picture of 1H-Tetrazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 108.878 C1 N2 H7 130.936
C1 N5 N4 105.536 N2 C1 N5 108.476
N2 C1 H6 124.771 N2 N3 N4 105.568
N3 N2 H7 120.186 N3 N4 N5 111.541
N5 C1 H6 126.753
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.243      
2 N -0.400      
3 N -0.040      
4 N -0.083      
5 N -0.287      
6 H 0.205      
7 H 0.362      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.406 4.646 0.000 5.232
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.548 1.729 0.000
y 1.729 -25.891 0.000
z 0.000 0.000 -28.197
Traceless
 xyz
x -1.504 1.729 0.000
y 1.729 2.481 0.000
z 0.000 0.000 -0.978
Polar
3z2-r2-1.956
x2-y2-2.657
xy1.729
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.779 0.157 0.000
y 0.157 5.713 0.000
z 0.000 0.000 2.339


<r2> (average value of r2) Å2
<r2> 71.025
(<r2>)1/2 8.428