return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C2H4N4 (1H-Tetrazole, 1-methyl-)

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-296.740360
Energy at 298.15K 
HF Energy-295.792811
Nuclear repulsion energy230.883326
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 MP3/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP3/6-31+G**
ABC
0.32860 0.12723 0.09333

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.086 -0.228 0.000
N2 0.000 0.570 0.000
N3 1.089 -0.218 0.000
N4 0.667 -1.436 0.000
N5 -0.692 -1.483 0.000
H6 -2.100 0.126 0.000
C7 0.121 2.016 0.000
H8 -0.877 2.442 0.000
H9 0.656 2.337 0.888
H10 0.656 2.337 -0.888

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 C7 H8 H9 H10
C11.34752.17492.12911.31521.07402.54742.67823.22513.2251
N21.34751.34462.11402.16612.14641.45062.06742.08342.0834
N32.17491.34461.28832.18393.20752.43493.30832.73952.7395
N42.12912.11401.28831.36003.17753.49454.17433.87573.8757
N51.31522.16612.18391.36002.13763.59133.92924.14654.1465
H61.07402.14643.20753.17752.13762.91612.61963.64353.6435
C72.54741.45062.43493.49453.59132.91611.08521.08551.0855
H82.67822.06743.30834.17433.92922.61961.08521.77511.7751
H93.22512.08342.73953.87574.14653.64351.08551.77511.7758
H103.22512.08342.73953.87574.14653.64351.08551.77511.7758

picture of 1H-Tetrazole, 1-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 107.781 C1 N2 C7 131.091
C1 N5 N4 105.465 N2 C1 N5 108.877
N2 C1 H6 124.473 N2 N3 N4 106.802
N2 C7 H8 108.369 N2 C7 H9 109.628
N2 C7 H10 109.628 N3 N2 C7 121.129
N3 N4 N5 111.075 N5 C1 H6 126.650
H8 C7 H9 109.719 H8 C7 H10 109.719
H9 C7 H10 109.757
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability