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: TPSSh/aug-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 TPSSh/aug-cc-pVDZ
 hartrees
Energy at 0K-258.312782
Energy at 298.15K-258.318386
HF Energy-258.312782
Nuclear repulsion energy166.165439
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 TPSSh/aug-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' 3617 3499 75.06      
2 A' 3286 3179 0.80      
3 A' 1495 1446 15.31      
4 A' 1452 1405 8.74      
5 A' 1275 1233 10.45      
6 A' 1253 1212 2.85      
7 A' 1137 1100 14.34      
8 A' 1056 1021 27.12      
9 A' 1044 1010 16.30      
10 A' 998 965 0.60      
11 A' 957 925 2.98      
12 A" 850 822 21.18      
13 A" 731 707 8.25      
14 A" 687 664 10.23      
15 A" 591 572 72.84      

Unscaled Zero Point Vibrational Energy (zpe) 10214.0 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 9880.0 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 TPSSh/aug-cc-pVDZ
ABC
0.34894 0.34279 0.17292

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.071 0.237 0.000
N2 0.000 1.057 0.000
N3 -1.124 0.305 0.000
N4 -0.724 -0.929 0.000
N5 0.639 -1.012 0.000
H6 2.102 0.566 0.000
H7 -0.060 2.068 0.000

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 H7
C11.34872.19592.14001.32091.08292.1519
N21.34871.35252.11382.16522.15891.0128
N32.19591.35251.29722.20083.23702.0595
N42.14002.11381.29721.36583.19733.0697
N51.32092.16522.20081.36582.15163.1580
H61.08292.15893.23703.19732.15162.6326
H72.15191.01282.05953.06973.15802.6326

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 108.765 C1 N2 H7 130.832
C1 N5 N4 105.585 N2 C1 N5 108.396
N2 C1 H6 124.853 N2 N3 N4 105.811
N3 N2 H7 120.403 N3 N4 N5 111.442
N5 C1 H6 126.750
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.856      
2 N -0.015      
3 N -0.105      
4 N -0.262      
5 N -0.292      
6 H -0.150      
7 H -0.032      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.505 4.712 0.000 5.336
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.903 0.079 0.000
y 0.079 6.829 0.000
z 0.000 0.000 3.919


<r2> (average value of r2) Å2
<r2> 70.871
(<r2>)1/2 8.419