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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-295.800086
Energy at 298.15K-295.807783
HF Energy-295.800086
Nuclear repulsion energy232.198843
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' 3921 3523 120.30      
2 A' 3333 2995 3.52      
3 A' 3223 2896 14.86      
4 A' 1788 1607 61.41      
5 A' 1646 1479 1.25      
6 A' 1615 1451 18.35      
7 A' 1579 1419 29.36      
8 A' 1565 1406 5.65      
9 A' 1462 1314 15.47      
10 A' 1242 1116 20.25      
11 A' 1210 1087 3.88      
12 A' 1190 1069 26.30      
13 A' 1128 1014 1.29      
14 A' 1092 981 3.28      
15 A' 733 658 5.36      
16 A' 363 327 4.51      
17 A" 3282 2949 14.58      
18 A" 1626 1461 8.90      
19 A" 1180 1060 1.86      
20 A" 814 731 5.49      
21 A" 775 696 8.73      
22 A" 618 555 115.92      
23 A" 300 270 0.02      
24 A" 88 79 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 17887.3 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 16071.7 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
0.34089 0.12441 0.09271

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 -1.124 -0.055 0.000
C2 0.000 0.584 0.000
C3 0.189 2.063 0.000
H4 0.736 2.384 0.879
H5 0.736 2.384 -0.879
H6 -0.782 2.537 0.000
N7 0.975 -0.327 0.000
N8 0.423 -1.537 0.000
N9 -0.815 -1.361 0.000
H10 1.963 -0.224 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.29282.49203.19083.19082.61522.11592.14121.34163.0917
C21.29281.49092.13392.13392.10391.33442.16242.10882.1234
C32.49201.49091.08441.08441.08022.51623.60723.56802.8951
H43.19082.13391.08441.75881.76102.85994.02984.14743.0135
H53.19082.13391.08441.75881.76102.85994.02984.14743.0135
H62.61522.10391.08021.76101.76103.36024.24823.89843.8940
N72.11591.33442.51622.85992.85993.36021.32932.06660.9941
N82.14122.16243.60724.02984.02984.24821.32931.24992.0239
N91.34162.10883.56804.14744.14743.89842.06661.24993.0018
H103.09172.12342.89513.01353.01353.89400.99412.02393.0018

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 126.922 N1 C2 N7 107.277
N1 N9 N8 111.387 C2 N1 N9 106.338
C2 C3 H4 110.929 C2 C3 H5 110.929
C2 C3 H6 108.773 C2 N7 N8 108.539
C2 N7 H10 130.980 C3 C2 N7 125.801
H4 C3 H5 108.384 H4 C3 H6 108.890
H5 C3 H6 108.890 N7 N8 N9 106.459
N8 N7 H10 120.481
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 -0.415      
2 C 0.590      
3 C -0.543      
4 H 0.200      
5 H 0.200      
6 H 0.234      
7 N -0.597      
8 N -0.020      
9 N -0.070      
10 H 0.422      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.362 4.107 0.000 5.991
CHELPG 4.158 3.861 0.000 5.674
AIM -0.170 -1.568 0.000 1.577
ESP 4.275 3.986 0.000 5.846


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.222 -0.401 0.000
y -0.401 -36.816 0.001
z 0.000 0.001 -34.654
Traceless
 xyz
x 1.514 -0.401 0.000
y -0.401 -2.378 0.001
z 0.000 0.001 0.865
Polar
3z2-r21.730
x2-y22.595
xy-0.401
xz0.000
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.326 0.249 -0.001
y 0.249 7.153 0.001
z -0.001 0.001 3.637


<r2> (average value of r2) Å2
<r2> 126.406
(<r2>)1/2 11.243