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All results from a given calculation for CH2N4 (1H-Tetrazole)

using model chemistry: MP2/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/CEP-121G*
 hartrees
Energy at 0K-46.103331
Energy at 298.15K-46.108895
HF Energy-45.298361
Nuclear repulsion energy85.552129
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-121G*
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' 3644 3472 100.42      
2 A' 3317 3161 1.60      
3 A' 1472 1403 16.35      
4 A' 1465 1396 18.70      
5 A' 1251 1191 1.54      
6 A' 1173 1118 2.38      
7 A' 1131 1077 16.63      
8 A' 1097 1045 9.55      
9 A' 1073 1022 33.33      
10 A' 994 947 2.65      
11 A' 946 901 2.95      
12 A" 803 765 40.42      
13 A" 716 682 22.51      
14 A" 685 653 12.17      
15 A" 595 567 65.64      

Unscaled Zero Point Vibrational Energy (zpe) 10180.3 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 9699.8 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-121G*
ABC
0.34193 0.33431 0.16904

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.078 0.237 0.000
N2 0.000 1.067 0.000
N3 -1.128 0.308 0.000
N4 -0.731 -0.937 0.000
N5 0.643 -1.019 0.000
H6 2.109 0.563 0.000
H7 -0.064 2.081 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.36092.20782.15701.32951.08082.1690
N21.36091.35992.13372.18352.16841.0154
N32.20781.35991.30732.21383.24722.0673
N42.15702.13371.30731.37683.21173.0907
N51.32952.18352.21381.37682.15663.1797
H61.08082.16843.24723.21172.15662.6508
H72.16901.01542.06733.09073.17972.6508

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 108.471 C1 N2 H7 131.230
C1 N5 N4 105.685 N2 C1 N5 108.498
N2 C1 H6 124.859 N2 N3 N4 106.240
N3 N2 H7 120.299 N3 N4 N5 111.106
N5 C1 H6 126.643
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability