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: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-257.532193
Energy at 298.15K-257.537833
HF Energy-256.749519
Nuclear repulsion energy166.753020
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 MP3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3729 3500 118.61      
2 A' 3361 3155 1.38      
3 A' 1576 1479 18.58      
4 A' 1537 1443 19.44      
5 A' 1359 1275 18.55      
6 A' 1324 1243 0.30      
7 A' 1190 1117 12.74      
8 A' 1132 1063 27.57      
9 A' 1109 1041 21.54      
10 A' 1037 974 1.55      
11 A' 1004 942 1.79      
12 A" 863 810 22.82      
13 A" 746 700 10.90      
14 A" 701 658 11.90      
15 A" 580 544 99.13      

Unscaled Zero Point Vibrational Energy (zpe) 10623.5 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 9971.2 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 MP3/6-31G*
ABC
0.35155 0.34506 0.17414

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.068 0.232 0.000
N2 0.000 1.056 0.000
N3 -1.116 0.302 0.000
N4 -0.727 -0.923 0.000
N5 0.636 -1.008 0.000
H6 2.098 0.556 0.000
H7 -0.063 2.063 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.34882.18512.13461.31311.07942.1523
N21.34881.34632.10782.15882.15671.0094
N32.18511.34631.28532.18673.22372.0515
N42.13462.10781.28531.36493.18843.0589
N51.31312.15882.18671.36492.14083.1491
H61.07942.15673.22373.18842.14082.6349
H72.15231.00942.05153.05893.14912.6349

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 108.341 C1 N2 H7 131.213
C1 N5 N4 105.693 N2 C1 N5 108.380
N2 C1 H6 124.928 N2 N3 N4 106.421
N3 N2 H7 120.446 N3 N4 N5 111.166
N5 C1 H6 126.692
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability