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All results from a given calculation for C2H4N4 (2H-Tetrazole, 2-methyl-)

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-295.781483
Energy at 298.15K-295.788880
Nuclear repulsion energy226.869194
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 B3PW91/3-21G
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 3342 3213 0.21      
2 A 3199 3075 0.06      
3 A 3169 3046 4.86      
4 A 3090 2970 9.61      
5 A 1556 1495 16.73      
6 A 1538 1478 16.50      
7 A 1477 1419 5.90      
8 A 1381 1327 0.65      
9 A 1363 1310 19.27      
10 A 1248 1199 8.77      
11 A 1227 1179 6.47      
12 A 1159 1114 0.47      
13 A 1109 1066 10.01      
14 A 1086 1044 2.96      
15 A 1000 961 1.16      
16 A 950 913 18.75      
17 A 923 887 22.81      
18 A 874 840 33.18      
19 A 708 680 9.45      
20 A 671 645 6.37      
21 A 656 630 0.72      
22 A 336 323 5.33      
23 A 221 212 8.70      
24 A 87 83 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 16182.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 15554.8 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 B3PW91/3-21G
ABC
0.30973 0.12633 0.09130

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.319 -1.220 0.000
C2 1.429 -0.620 0.000
N3 0.190 -1.146 -0.000
N4 1.450 0.753 0.000
N5 0.157 1.159 -0.000
N6 -0.582 -0.015 -0.000
H7 -2.396 -0.553 -0.894
H8 -2.367 1.003 -0.002
H9 -2.396 -0.548 0.897
C10 -2.039 -0.036 0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.07372.13002.15623.21553.14164.84515.18704.84614.5159
C21.07371.34511.37332.18762.09983.92804.12843.92873.5163
N32.13001.34512.27832.30551.36972.79983.34062.80162.4901
N42.15621.37332.27831.35542.17174.15813.82484.15723.5765
N53.21552.18762.30551.35541.38713.20072.52853.19912.4999
N63.14162.09981.36972.17171.38712.09232.05502.09251.4570
H74.84513.92802.79984.15813.20072.09231.79351.79021.0922
H85.18704.12843.34063.82482.52852.05501.79351.79351.0903
H94.84613.92872.80164.15723.19912.09251.79021.79351.0923
C104.51593.51632.49013.57652.49991.45701.09221.09031.0923

picture of 2H-Tetrazole, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 N3 123.036 H1 C2 N4 123.094
C2 N3 N6 101.328 C2 N4 N5 106.583
N3 C2 N4 113.871 N3 N6 N5 113.502
N3 N6 C10 123.476 N4 N5 N6 104.716
N5 N6 C10 123.022 N6 C10 H7 109.491
N6 C10 H8 106.671 N6 C10 H9 109.503
H7 C10 H8 110.522 H7 C10 H9 110.071
H8 C10 H9 110.517
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.279      
2 C 0.207      
3 N -0.270      
4 N -0.309      
5 N -0.032      
6 N -0.274      
7 H 0.266      
8 H 0.270      
9 H 0.266      
10 C -0.403      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.600 -1.553 0.000 3.028
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.702 -4.381 -0.000
y -4.381 -39.967 -0.000
z -0.000 -0.000 -34.597
Traceless
 xyz
x 9.580 -4.381 -0.000
y -4.381 -8.818 -0.000
z -0.000 -0.000 -0.762
Polar
3z2-r2-1.525
x2-y212.265
xy-4.381
xz-0.000
yz-0.000


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> 128.034
(<r2>)1/2 11.315