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

using model chemistry: PBEPBE/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 PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-297.266165
Energy at 298.15K-297.273480
Nuclear repulsion energy227.546278
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 PBEPBE/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 3567 3530 52.71      
2 A 3100 3068 0.77      
3 A 2988 2957 10.96      
4 A 1536 1520 42.31      
5 A 1450 1435 0.24      
6 A 1368 1354 24.45      
7 A 1364 1350 0.69      
8 A 1309 1296 2.34      
9 A 1215 1203 15.00      
10 A 1082 1071 1.37      
11 A 1045 1034 13.30      
12 A 1026 1015 21.45      
13 A 982 972 0.97      
14 A 957 947 0.29      
15 A 675 668 2.72      
16 A 326 322 3.65      
17 A 3052 3020 5.63      
18 A 1434 1419 8.37      
19 A 1028 1017 2.22      
20 A 719 712 5.09      
21 A 687 679 13.99      
22 A 563 558 58.39      
23 A 264 262 0.06      
24 A 84 83 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 15908.9 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 15745.1 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 PBEPBE/6-31G(2df,p)
ABC
0.32353 0.12109 0.08961

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.153 -0.059 0.000
C2 0.000 0.603 0.000
C3 0.177 2.081 0.000
H4 0.728 2.424 0.891
H5 0.728 2.424 -0.891
H6 -0.815 2.553 0.000
N7 0.996 -0.317 0.000
N8 0.459 -1.565 0.000
N9 -0.831 -1.388 0.000
H10 2.005 -0.199 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.32992.51993.24033.24032.63382.16462.20631.36773.1611
C21.32991.48862.15412.15412.11331.35542.21572.15782.1590
C32.51991.48861.10221.10221.09812.53363.65663.61282.9219
H43.24032.15411.10221.78151.78602.89424.09594.21423.0499
H53.24032.15411.10221.78151.78602.89424.09594.21423.0499
H62.63382.11331.09811.78601.78603.39284.31013.94123.9394
N72.16461.35542.53362.89422.89423.39281.35852.11821.0157
N82.20632.21573.65664.09594.09594.31011.35851.30262.0626
N91.36772.15783.61284.21424.21423.94122.11821.30263.0754
H103.16112.15902.92193.04993.04993.93941.01572.06263.0754

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 126.678 N1 C2 N7 107.428
N1 N9 N8 111.404 C2 N1 N9 106.231
C2 C3 H4 111.623 C2 C3 H5 111.623
C2 C3 H6 108.625 C2 N7 N8 109.457
C2 N7 H10 130.614 C3 C2 N7 125.894
H4 C3 H5 107.824 H4 C3 H6 108.528
H5 C3 H6 108.528 N7 N8 N9 105.479
N8 N7 H10 119.929
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.268      
2 C 0.453      
3 C -0.534      
4 H 0.161      
5 H 0.161      
6 H 0.184      
7 N -0.251      
8 N -0.089      
9 N -0.101      
10 H 0.285      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.959 3.861 0.000 5.530
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.231 -0.326 0.000
y -0.326 -36.139 0.000
z 0.000 0.000 -33.960
Traceless
 xyz
x 1.818 -0.326 0.000
y -0.326 -2.543 0.000
z 0.000 0.000 0.725
Polar
3z2-r21.450
x2-y22.908
xy-0.326
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.102 0.294 0.000
y 0.294 8.740 0.000
z 0.000 0.000 4.206


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000