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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-257.535746
Energy at 298.15K-257.541343
HF Energy-256.744332
Nuclear repulsion energy165.614432
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' 3660 3452 114.41      
2 A' 3350 3159 2.44      
3 A' 1505 1419 8.53      
4 A' 1493 1408 28.14      
5 A' 1278 1205 2.20      
6 A' 1203 1135 1.56      
7 A' 1157 1091 16.65      
8 A' 1119 1055 11.05      
9 A' 1093 1030 30.72      
10 A' 1012 954 3.57      
11 A' 969 914 2.73      
12 A" 811 765 31.87      
13 A" 735 693 15.47      
14 A" 698 658 17.09      
15 A" 607 572 73.22      

Unscaled Zero Point Vibrational Energy (zpe) 10344.0 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 9754.4 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
0.34733 0.34001 0.17182

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)
N1 -0.725 -0.937 0.000
N2 -1.127 0.310 0.000
N3 0.000 1.060 0.000
H4 -0.064 2.071 0.000
N5 0.643 -1.014 0.000
C6 1.071 0.238 0.000
H7 2.099 0.569 0.000

Atom - Atom Distances (Å)
  N1 N2 N3 H4 N5 C6 H7
N11.30962.12353.07971.36952.14583.1995
N21.30961.35322.05712.20982.19853.2356
N32.12351.35321.01402.17111.34942.1554
H43.07972.05711.01403.16582.15602.6339
N51.36952.20982.17113.16581.32402.1508
C62.14582.19851.34942.15601.32401.0796
H73.19953.23562.15542.63392.15081.0796

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 105.772 C1 N2 H7 76.715
C1 N5 N4 73.841 N2 C1 N5 111.127
N2 C1 H6 74.669 N2 N3 N4 120.006
N3 N2 H7 29.056 N3 N4 N5 9.266
N5 C1 H6 36.458
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability