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 CH2N4 (1H-Tetrazole)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-256.858511
Energy at 298.15K-256.864333
HF Energy-256.858511
Nuclear repulsion energy170.330302
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 HF/Def2TZVPP
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' 3911 3545 137.42      
2 A' 3437 3116 0.41      
3 A' 1706 1546 24.19      
4 A' 1616 1464 11.14      
5 A' 1530 1387 30.80      
6 A' 1418 1285 1.38      
7 A' 1252 1135 22.89      
8 A' 1190 1078 30.53      
9 A' 1166 1057 23.73      
10 A' 1110 1006 1.78      
11 A' 1088 986 1.60      
12 A" 1018 923 11.25      
13 A" 819 742 7.60      
14 A" 750 680 4.23      
15 A" 623 565 105.49      

Unscaled Zero Point Vibrational Energy (zpe) 11316.4 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 10257.2 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 HF/Def2TZVPP
ABC
0.36643 0.36008 0.18161

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.049 0.225 0.000
N2 0.000 1.037 0.000
N3 -1.091 0.290 0.000
N4 -0.715 -0.899 0.000
N5 0.621 -0.987 0.000
H6 2.067 0.542 0.000
H7 -0.058 2.024 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.32602.14072.09161.28521.06652.1128
N21.32601.32222.06332.11652.12550.9896
N32.14071.32221.24662.13533.16812.0188
N42.09162.06331.24661.33883.13312.9962
N51.28522.11652.13531.33882.10443.0870
H61.06652.12553.16813.13312.10442.5917
H72.11280.98962.01882.99623.08702.5917

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 107.873 C1 N2 H7 131.122
C1 N5 N4 105.684 N2 C1 N5 108.282
N2 C1 H6 124.993 N2 N3 N4 106.848
N3 N2 H7 121.005 N3 N4 N5 111.313
N5 C1 H6 126.724
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.217      
2 N -0.114      
3 N -0.095      
4 N -0.068      
5 N -0.283      
6 H 0.120      
7 H 0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.607 4.890 0.000 5.542
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.847 2.006 0.000
y 2.006 -26.652 0.000
z 0.000 0.000 -28.562
Traceless
 xyz
x -1.240 2.006 0.000
y 2.006 2.052 0.000
z 0.000 0.000 -0.813
Polar
3z2-r2-1.625
x2-y2-2.195
xy2.006
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.722 0.067 0.000
y 0.067 5.757 0.000
z 0.000 0.000 3.286


<r2> (average value of r2) Å2
<r2> 68.281
(<r2>)1/2 8.263