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: PBEPBEultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-258.076460
Energy at 298.15K-258.081995
HF Energy-258.076460
Nuclear repulsion energy165.972251
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 PBEPBEultrafine/aug-cc-pVTZ
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' 3548 3508 66.99      
2 A' 3204 3168 1.35      
3 A' 1443 1427 13.33      
4 A' 1401 1386 7.91      
5 A' 1230 1216 3.69      
6 A' 1206 1192 8.71      
7 A' 1109 1096 14.43      
8 A' 1019 1008 25.46      
9 A' 996 985 10.38      
10 A' 971 960 2.56      
11 A' 923 913 5.75      
12 A" 824 815 19.47      
13 A" 721 713 7.35      
14 A" 673 665 6.26      
15 A" 577 571 73.10      

Unscaled Zero Point Vibrational Energy (zpe) 9922.2 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 9811.0 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
0.34804 0.34211 0.17252

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.071 0.233 0.000
N2 0.000 1.058 0.000
N3 -1.119 0.300 0.000
N4 -0.728 -0.924 0.000
N5 0.636 -1.010 0.000
H6 2.105 0.559 0.000
H7 -0.061 2.070 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.35202.19072.13931.31691.08402.1580
N21.35201.35102.11192.16352.16331.0139
N32.19071.35101.28572.18983.23402.0615
N42.13932.11191.28571.36663.19783.0679
N51.31692.16352.18981.36662.14933.1579
H61.08402.16333.23403.19782.14932.6412
H72.15801.01392.06153.06793.15792.6412

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 108.287 C1 N2 H7 131.065
C1 N5 N4 105.710 N2 C1 N5 108.309
N2 C1 H6 124.899 N2 N3 N4 106.419
N3 N2 H7 120.648 N3 N4 N5 111.274
N5 C1 H6 126.792
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.153      
2 N 0.230      
3 N -0.307      
4 N -0.164      
5 N -0.233      
6 H 0.500      
7 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.437 4.642 0.000 5.243
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.414 1.845 0.000
y 1.845 -26.843 0.000
z 0.000 0.000 -28.796
Traceless
 xyz
x -1.594 1.845 0.000
y 1.845 2.262 0.000
z 0.000 0.000 -0.668
Polar
3z2-r2-1.336
x2-y2-2.571
xy1.845
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.144 0.087 0.000
y 0.087 7.085 0.000
z 0.000 0.000 4.049


<r2> (average value of r2) Å2
<r2> 71.118
(<r2>)1/2 8.433