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

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-257.552542
Energy at 298.15K-257.558158
HF Energy-256.750712
Nuclear repulsion energy165.706274
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 MP2/6-31G**
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' 3726 3490 112.50      
2 A' 3378 3163 2.10      
3 A' 1511 1416 9.86      
4 A' 1501 1405 25.96      
5 A' 1280 1199 1.97      
6 A' 1202 1126 1.74      
7 A' 1157 1084 15.91      
8 A' 1117 1046 11.04      
9 A' 1093 1023 28.95      
10 A' 1010 946 3.26      
11 A' 969 908 2.50      
12 A" 821 769 27.08      
13 A" 736 689 19.07      
14 A" 700 655 18.46      
15 A" 612 573 64.25      

Unscaled Zero Point Vibrational Energy (zpe) 10406.3 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 9745.5 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 MP2/6-31G**
ABC
0.34749 0.34048 0.17197

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.071 0.235 0.000
N2 0.000 1.060 0.000
N3 -1.121 0.307 0.000
N4 -0.726 -0.929 0.000
N5 0.638 -1.014 0.000
H6 2.096 0.561 0.000
H7 -0.060 2.066 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.35202.19312.14131.32141.07522.1524
N21.35201.34992.11742.16952.15411.0081
N32.19311.34991.29812.19993.22642.0538
N42.14132.11741.29811.36703.19123.0685
N51.32142.16952.19991.36702.14583.1579
H61.07522.15413.22643.19122.14582.6289
H72.15241.00812.05383.06853.15792.6289

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 108.527 C1 N2 H7 131.012
C1 N5 N4 105.578 N2 C1 N5 108.480
N2 C1 H6 124.726 N2 N3 N4 106.173
N3 N2 H7 120.461 N3 N4 N5 111.242
N5 C1 H6 126.794
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability