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: mPW1PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-258.213435
Energy at 298.15K-258.219097
HF Energy-258.213435
Nuclear repulsion energy167.444826
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 mPW1PW91/cc-pVDZ
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' 3676 3523 101.61      
2 A' 3319 3180 2.19      
3 A' 1535 1471 14.27      
4 A' 1488 1426 8.11      
5 A' 1344 1288 16.38      
6 A' 1286 1232 1.35      
7 A' 1158 1110 11.59      
8 A' 1106 1060 18.54      
9 A' 1090 1045 32.23      
10 A' 1027 984 2.08      
11 A' 992 950 3.33      
12 A" 866 830 17.29      
13 A" 755 723 8.75      
14 A" 702 673 7.34      
15 A" 602 577 77.46      

Unscaled Zero Point Vibrational Energy (zpe) 10472.2 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 10035.5 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 mPW1PW91/cc-pVDZ
ABC
0.35442 0.34813 0.17562

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.064 0.231 0.000
N2 0.000 1.050 0.000
N3 -1.112 0.305 0.000
N4 -0.721 -0.919 0.000
N5 0.629 -1.007 0.000
H6 2.098 0.557 0.000
H7 -0.056 2.060 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.34292.17752.12251.31231.08452.1448
N21.34291.33882.09622.15132.15561.0115
N32.17751.33881.28432.18013.22052.0487
N42.12252.09621.28431.35233.18153.0517
N51.31232.15132.18011.35232.14603.1427
H61.08452.15563.22053.18152.14602.6269
H72.14481.01152.04873.05173.14272.6269

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 108.578 C1 N2 H7 130.756
C1 N5 N4 105.599 N2 C1 N5 108.229
N2 C1 H6 124.914 N2 N3 N4 106.070
N3 N2 H7 120.666 N3 N4 N5 111.525
N5 C1 H6 126.856
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.216      
2 N -0.061      
3 N -0.072      
4 N -0.089      
5 N -0.201      
6 H 0.073      
7 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.432 4.686 0.000 5.280
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.456 1.738 0.000
y 1.738 -25.889 0.000
z 0.000 0.000 -27.916
Traceless
 xyz
x -1.554 1.738 0.000
y 1.738 2.297 0.000
z 0.000 0.000 -0.743
Polar
3z2-r2-1.486
x2-y2-2.567
xy1.738
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.552 0.158 0.000
y 0.158 5.418 0.000
z 0.000 0.000 2.388


<r2> (average value of r2) Å2
<r2> 69.634
(<r2>)1/2 8.345