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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-255.820582
Energy at 298.15K-255.825958
HF Energy-255.250372
Nuclear repulsion energy159.154317
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 MP2/3-21G*
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' 3592 3417 118.51      
2 A' 3337 3175 1.39      
3 A' 1413 1344 53.57      
4 A' 1373 1306 7.06      
5 A' 1196 1138 17.22      
6 A' 1123 1069 6.42      
7 A' 987 939 3.36      
8 A' 977 930 1.50      
9 A' 910 866 11.06      
10 A' 811 772 2.68      
11 A' 738 702 18.07      
12 A" 885 842 24.29      
13 A" 682 649 69.33      
14 A" 669 636 3.52      
15 A" 614 584 78.95      

Unscaled Zero Point Vibrational Energy (zpe) 9654.0 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 9183.8 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 MP2/3-21G*
ABC
0.32057 0.31285 0.15833

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.088 0.265 0.000
N2 0.000 1.099 0.000
N3 -1.192 0.317 0.000
N4 -0.751 -1.004 0.000
N5 0.718 -1.028 0.000
H6 2.106 0.613 0.000
H7 -0.058 2.112 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.37082.28082.23411.34451.07572.1732
N21.37081.42572.23302.24452.16091.0144
N32.28081.42571.39312.33623.31122.1231
N42.23412.23301.39311.46893.28253.1919
N51.34452.24452.33621.46892.14903.2337
H61.07572.16093.31123.28252.14902.6316
H72.17321.01442.12313.19193.23372.6316

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 109.279 C1 N2 H7 130.734
C1 N5 N4 105.054 N2 C1 N5 111.499
N2 C1 H6 123.631 N2 N3 N4 104.771
N3 N2 H7 119.987 N3 N4 N5 109.398
N5 C1 H6 124.870
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability