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

using model chemistry: MP2=FULL/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=FULL/3-21G*
 hartrees
Energy at 0K-255.829380
Energy at 298.15K-255.834758
HF Energy-255.250464
Nuclear repulsion energy159.174034
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=FULL/3-21G*
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' 3592 3406 118.67      
2 A' 3337 3164 1.41      
3 A' 1413 1339 53.47      
4 A' 1374 1302 7.13      
5 A' 1196 1134 17.24      
6 A' 1123 1065 6.43      
7 A' 988 936 3.35      
8 A' 978 927 1.50      
9 A' 910 863 11.06      
10 A' 811 769 2.69      
11 A' 738 700 18.05      
12 A" 886 840 24.22      
13 A" 683 647 70.39      
14 A" 669 634 3.45      
15 A" 615 583 77.96      

Unscaled Zero Point Vibrational Energy (zpe) 9656.8 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 9154.6 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=FULL/3-21G*
ABC
0.32065 0.31293 0.15837

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/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 2.105 0.613 0.000
H7 -0.058 2.111 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.37062.28052.23381.34431.07552.1730
N21.37061.42552.23272.24422.16071.0143
N32.28051.42551.39292.33593.31082.1228
N42.23382.23271.39291.46873.28213.1916
N51.34432.24422.33591.46872.14883.2334
H61.07552.16073.31083.28212.14882.6314
H72.17301.01432.12283.19163.23342.6314

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 109.276 C1 N2 H7 130.736
C1 N5 N4 105.054 N2 C1 N5 111.500
N2 C1 H6 123.634 N2 N3 N4 104.774
N3 N2 H7 119.987 N3 N4 N5 109.396
N5 C1 H6 124.866
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability