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

using model chemistry: MP2=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G*
 hartrees
Energy at 0K-296.727509
Energy at 298.15K-296.734928
HF Energy-295.781302
Nuclear repulsion energy229.678838
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 MP2=FULL/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 3340 3147 1.54      
2 A 3256 3068 0.72      
3 A 3240 3053 3.39      
4 A 3139 2958 13.17      
5 A 1577 1486 19.99      
6 A 1554 1464 22.08      
7 A 1540 1451 11.54      
8 A 1497 1410 5.13      
9 A 1447 1363 0.56      
10 A 1347 1270 5.42      
11 A 1234 1163 11.15      
12 A 1191 1122 5.57      
13 A 1171 1104 14.70      
14 A 1129 1064 21.52      
15 A 1103 1039 1.75      
16 A 1086 1024 0.59      
17 A 989 932 5.49      
18 A 809 762 18.38      
19 A 727 685 0.76      
20 A 701 660 10.64      
21 A 664 625 5.67      
22 A 354 333 1.80      
23 A 230 217 0.04      
24 A 43 41 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 16684.0 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 15719.7 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 MP2=FULL/6-31G*
ABC
0.32577 0.12612 0.09253

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.279 1.075 -0.003
N2 0.571 0.029 -0.009
N3 -0.147 -1.110 -0.004
N4 -1.418 -0.739 0.004
N5 -1.523 0.616 0.005
H6 0.026 2.111 -0.006
C7 2.023 -0.013 0.006
H8 2.369 -0.387 0.970
H9 2.363 -0.673 -0.791
H10 2.399 0.996 -0.160

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 C7 H8 H9 H10
C11.34782.18862.14181.32621.07992.54643.17703.26442.6841
N21.34781.34622.13252.17532.15171.45272.08842.07752.0737
N32.18861.34621.32462.20783.22512.43122.79262.66613.3076
N42.14182.13251.32461.35903.19473.51713.92403.86454.1965
N51.32622.17532.20781.35902.15293.60204.13344.17123.9445
H61.07992.15173.22513.19472.15292.91523.56053.71822.6264
C72.54641.45272.43123.51713.60202.91521.09011.08921.0897
H83.17702.08842.79263.92404.13343.56051.09011.78431.7858
H93.26442.07752.66613.86454.17123.71821.08921.78431.7848
H102.68412.07373.30764.19653.94452.62641.08971.78581.7848

picture of 1H-Tetrazole, 1-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 108.665 C1 N2 C7 130.771
C1 N5 N4 105.796 N2 C1 N5 108.876
N2 C1 H6 124.468 N2 N3 N4 105.961
N2 C7 H8 109.609 N2 C7 H9 108.791
N2 C7 H10 108.458 N3 N2 C7 120.553
N3 N4 N5 110.701 N5 C1 H6 126.656
H8 C7 H9 109.926 H8 C7 H10 110.024
H9 C7 H10 110.003
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2=FULL/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.296      
2 N -0.417      
3 N -0.052      
4 N -0.069      
5 N -0.359      
6 H 0.251      
7 C -0.287      
8 H 0.196      
9 H 0.226      
10 H 0.214      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -5.622 2.759 -0.019 6.262
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.648 -0.533 0.007
y -0.533 -35.048 -0.007
z 0.007 -0.007 -34.922
Traceless
 xyz
x -1.663 -0.533 0.007
y -0.533 0.737 -0.007
z 0.007 -0.007 0.926
Polar
3z2-r21.851
x2-y2-1.600
xy-0.533
xz0.007
yz-0.007


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


<r2> (average value of r2) Å2
<r2> 126.615
(<r2>)1/2 11.252