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

using model chemistry: QCISD/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 QCISD/6-31+G**
 hartrees
Energy at 0K-257.575576
Energy at 298.15K-257.581148
HF Energy-256.761927
Nuclear repulsion energy166.215443
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 QCISD/6-31+G**
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' 3749 3544 114.54      
2 A' 3366 3182 1.49      
3 A' 1549 1465 21.89      
4 A' 1504 1422 14.51      
5 A' 1339 1266 19.57      
6 A' 1299 1228 0.44      
7 A' 1169 1105 15.17      
8 A' 1085 1026 26.75      
9 A' 1067 1009 21.07      
10 A' 1016 961 0.08      
11 A' 975 922 2.44      
12 A" 861 814 24.62      
13 A" 720 681 10.02      
14 A" 681 644 11.51      
15 A" 529 501 89.42      

Unscaled Zero Point Vibrational Energy (zpe) 10454.8 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 9884.0 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 QCISD/6-31+G**
ABC
0.34899 0.34289 0.17296

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.071 0.234 0.000
N2 0.000 1.060 0.000
N3 -1.118 0.300 0.000
N4 -0.728 -0.926 0.000
N5 0.638 -1.009 0.000
H6 2.096 0.557 0.000
H7 -0.061 2.065 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.35202.18962.14071.31651.07562.1519
N21.35201.35202.11542.16522.15591.0066
N32.18961.35201.28642.19033.22492.0574
N42.14072.11541.28641.36893.19073.0645
N51.31652.16522.19031.36892.14043.1523
H61.07562.15593.22493.19072.14042.6317
H72.15191.00662.05743.06453.15232.6317

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 108.149 C1 N2 H7 131.103
C1 N5 N4 105.703 N2 C1 N5 108.461
N2 C1 H6 124.875 N2 N3 N4 106.574
N3 N2 H7 120.748 N3 N4 N5 111.112
N5 C1 H6 126.663
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability