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

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-293.649666
Energy at 298.15K-293.656181
Nuclear repulsion energy215.487858
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 BLYP/STO-3G
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 3543 3278 26.79      
2 A 3385 3131 1.15      
3 A 3207 2967 0.21      
4 A 1613 1493 5.13      
5 A 1505 1393 0.03      
6 A 1492 1381 33.40      
7 A 1355 1254 8.73      
8 A 1258 1164 11.25      
9 A 1074 993 0.41      
10 A 1020 943 0.53      
11 A 1001 926 2.39      
12 A 936 866 11.79      
13 A 918 849 3.74      
14 A 846 782 9.15      
15 A 636 588 2.08      
16 A 307 284 1.59      
17 A 3349 3099 0.00      
18 A 1609 1488 8.02      
19 A 1104 1022 3.72      
20 A 606 560 10.01      
21 A 602 557 13.98      
22 A 399 369 68.83      
23 A 237 219 0.10      
24 A 92 85 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 16045.8 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 14845.6 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 BLYP/STO-3G
ABC
0.28711 0.11028 0.08093

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.235 -0.005 0.000
C2 0.000 0.637 0.000
C3 0.231 2.157 0.000
H4 0.798 2.472 0.903
H5 0.798 2.472 -0.903
H6 -0.755 2.664 0.000
N7 1.042 -0.318 0.000
N8 0.483 -1.674 0.000
N9 -0.907 -1.462 0.000
H10 2.091 -0.154 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.39172.61213.32903.32902.71232.29842.39501.49353.3290
C21.39171.53792.19532.19532.16351.41352.36042.28652.2353
C32.61211.53791.11151.11151.10812.60503.83923.79392.9668
H43.32902.19531.11151.80531.80602.94274.25454.38163.0631
H53.32902.19531.11151.80531.80602.94274.25454.38163.0631
H62.71232.16351.10811.80601.80603.48204.51134.12934.0050
N72.29841.41352.60502.94272.94273.48201.46622.26011.0615
N82.39502.36043.83924.25454.25454.51131.46621.40642.2122
N91.49352.28653.79394.38164.38164.12932.26011.40643.2709
H103.32902.23532.96683.06313.06314.00501.06152.21223.2709

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 126.086 N1 C2 N7 110.038
N1 N9 N8 111.330 C2 N1 N9 104.785
C2 C3 H4 110.887 C2 C3 H5 110.887
C2 C3 H6 108.614 C2 N7 N8 110.092
C2 N7 H10 128.601 C3 C2 N7 123.876
H4 C3 H5 108.598 H4 C3 H6 108.906
H5 C3 H6 108.906 N7 N8 N9 103.756
N8 N7 H10 121.307
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.155      
2 C 0.139      
3 C -0.219      
4 H 0.096      
5 H 0.096      
6 H 0.111      
7 N -0.191      
8 N -0.049      
9 N -0.067      
10 H 0.240      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.744 3.381 0.000 5.045
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.743 -0.058 0.000
y -0.058 -34.206 0.000
z 0.000 0.000 -31.842
Traceless
 xyz
x 1.281 -0.058 0.000
y -0.058 -2.413 0.000
z 0.000 0.000 1.132
Polar
3z2-r22.264
x2-y22.463
xy-0.058
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.712 0.311 0.000
y 0.311 5.722 0.000
z 0.000 0.000 1.738


<r2> (average value of r2) Å2
<r2> 139.174
(<r2>)1/2 11.797