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All results from a given calculation for C2H4N4 (1H-Tetrazole, 5-methyl-)

using model chemistry: HF/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/6-31G**
 hartrees
Energy at 0K-295.809125
Energy at 298.15K-295.816836
Nuclear repulsion energy232.215892
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/6-31G**
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 3929 3547 125.18      
2 A 3317 2994 3.36      
3 A 3203 2891 14.68      
4 A 1787 1613 62.56      
5 A 1636 1476 3.76      
6 A 1615 1458 19.48      
7 A 1572 1418 28.46      
8 A 1551 1400 4.45      
9 A 1458 1316 15.53      
10 A 1242 1121 20.30      
11 A 1206 1089 3.07      
12 A 1187 1072 27.49      
13 A 1128 1018 1.54      
14 A 1085 979 3.02      
15 A 732 661 5.22      
16 A 364 329 4.57      
17 A 3266 2948 14.41      
18 A 1610 1453 9.02      
19 A 1172 1058 2.01      
20 A 813 734 5.33      
21 A 773 698 8.33      
22 A 627 566 111.75      
23 A 301 272 0.03      
24 A 87 79 0.66      

Unscaled Zero Point Vibrational Energy (zpe) 17830.5 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 16093.8 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/6-31G**
ABC
0.34086 0.12445 0.09273

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.123 -0.056 0.000
C2 0.000 0.584 0.000
C3 0.188 2.063 0.000
H4 0.735 2.383 0.880
H5 0.735 2.383 -0.880
H6 -0.784 2.535 0.000
N7 0.976 -0.327 0.000
N8 0.423 -1.536 0.000
N9 -0.814 -1.361 0.000
H10 1.963 -0.221 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.29282.49153.19013.19012.61272.11622.14051.34163.0903
C21.29281.49052.13342.13342.10221.33452.16202.10912.1212
C32.49151.49051.08451.08451.08022.51583.60663.56782.8921
H43.19012.13341.08451.75961.76172.85934.02924.14703.0105
H53.19012.13341.08451.75961.76172.85934.02924.14703.0105
H62.61272.10221.08021.76171.76173.35894.24593.89623.8904
N72.11621.33452.51582.85932.85933.35891.32992.06760.9927
N82.14052.16203.60664.02924.02924.24591.32991.24952.0252
N91.34162.10913.56784.14704.14703.89622.06761.24953.0022
H103.09032.12122.89213.01053.01053.89040.99272.02523.0022

picture of 1H-Tetrazole, 5-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 126.905 N1 C2 N7 107.300
N1 N9 N8 111.351 C2 N1 N9 106.358
C2 C3 H4 110.907 C2 C3 H5 110.907
C2 C3 H6 108.670 C2 N7 N8 108.474
C2 N7 H10 130.851 C3 C2 N7 125.795
H4 C3 H5 108.428 H4 C3 H6 108.943
H5 C3 H6 108.943 N7 N8 N9 106.517
N8 N7 H10 120.675
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.416 -0.469    
2 C 0.568 0.615    
3 C -0.380 -0.489    
4 H 0.152 0.130    
5 H 0.152 0.130    
6 H 0.184 0.160    
7 N -0.505 -0.005    
8 N -0.029 -0.264    
9 N -0.070 -0.038    
10 H 0.343 0.230    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.362 4.136 0.000 6.011
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.205 -0.383 0.000
y -0.383 -36.724 0.000
z 0.000 0.000 -34.623
Traceless
 xyz
x 1.469 -0.383 0.000
y -0.383 -2.310 0.000
z 0.000 0.000 0.841
Polar
3z2-r21.683
x2-y22.519
xy-0.383
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.369 0.250 0.000
y 0.250 7.208 0.000
z 0.000 0.000 3.675


<r2> (average value of r2) Å2
<r2> 126.342
(<r2>)1/2 11.240