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

using model chemistry: HF/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-295.833058
Energy at 298.15K-295.840776
Nuclear repulsion energy232.516513
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(2df,p)
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 3924 3553 119.29      
2 A 3300 2988 3.38      
3 A 3187 2886 13.86      
4 A 1775 1607 65.15      
5 A 1625 1472 3.17      
6 A 1608 1456 17.14      
7 A 1562 1414 27.80      
8 A 1541 1395 3.82      
9 A 1450 1313 13.00      
10 A 1230 1114 17.82      
11 A 1203 1089 2.05      
12 A 1183 1071 29.35      
13 A 1123 1017 1.31      
14 A 1078 976 2.74      
15 A 729 660 5.15      
16 A 363 329 4.43      
17 A 3248 2941 13.10      
18 A 1602 1450 7.70      
19 A 1170 1059 2.12      
20 A 817 740 4.91      
21 A 774 701 5.86      
22 A 612 554 95.63      
23 A 303 274 0.03      
24 A 92 84 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 17748.4 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 16071.1 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(2df,p)
ABC
0.34163 0.12480 0.09298

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.123 -0.054 0.000
C2 0.000 0.582 0.000
C3 0.190 2.060 0.000
H4 0.740 2.378 0.880
H5 0.740 2.378 -0.880
H6 -0.780 2.535 0.000
N7 0.974 -0.327 0.000
N8 0.420 -1.534 0.000
N9 -0.814 -1.359 0.000
H10 1.959 -0.223 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.29072.48833.18733.18732.61142.11472.13861.34183.0869
C21.29071.48962.13232.13232.10291.33232.15752.10522.1181
C32.48831.48961.08501.08501.08062.51213.60093.56342.8878
H43.18732.13231.08501.75921.76302.85454.02264.14213.0047
H53.18732.13231.08501.75921.76302.85454.02264.14213.0047
H62.61142.10291.08061.76301.76303.35684.24243.89463.8872
N72.11471.33232.51212.85452.85453.35681.32762.06410.9908
N82.13862.15753.60094.02264.02264.24241.32761.24632.0213
N91.34182.10523.56344.14214.14213.89462.06411.24632.9965
H103.08692.11812.88783.00473.00473.88720.99082.02132.9965

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 126.856 N1 C2 N7 107.440
N1 N9 N8 111.388 C2 N1 N9 106.182
C2 C3 H4 110.855 C2 C3 H5 110.855
C2 C3 H6 108.766 C2 N7 N8 108.408
C2 N7 H10 130.933 C3 C2 N7 125.704
H4 C3 H5 108.335 H4 C3 H6 108.996
H5 C3 H6 108.996 N7 N8 N9 106.581
N8 N7 H10 120.659
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.299      
2 C 0.407      
3 C -0.502      
4 H 0.169      
5 H 0.169      
6 H 0.199      
7 N -0.355      
8 N -0.050      
9 N -0.075      
10 H 0.336      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.234 4.006 0.000 5.829
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.760 -0.378 0.000
y -0.378 -36.399 0.000
z 0.000 0.000 -34.332
Traceless
 xyz
x 1.605 -0.378 0.000
y -0.378 -2.353 0.000
z 0.000 0.000 0.748
Polar
3z2-r21.495
x2-y22.639
xy-0.378
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.508 0.238 0.000
y 0.238 7.490 0.000
z 0.000 0.000 4.044


<r2> (average value of r2) Å2
<r2> 125.850
(<r2>)1/2 11.218