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

using model chemistry: B3LYP/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 B3LYP/3-21G*
 hartrees
Energy at 0K-295.892423
Energy at 298.15K-295.899760
Nuclear repulsion energy226.238688
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 B3LYP/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 3332 3205 0.01      
2 A 3187 3066 0.37      
3 A 3156 3036 6.48      
4 A 3086 2969 11.30      
5 A 1562 1503 15.04      
6 A 1544 1485 14.42      
7 A 1480 1424 3.24      
8 A 1376 1324 0.56      
9 A 1343 1292 24.37      
10 A 1244 1197 7.16      
11 A 1221 1174 4.79      
12 A 1160 1116 0.16      
13 A 1099 1057 10.22      
14 A 1070 1029 2.80      
15 A 995 957 1.16      
16 A 932 896 20.94      
17 A 918 883 20.06      
18 A 847 815 35.95      
19 A 705 678 8.88      
20 A 658 633 5.86      
21 A 646 622 0.77      
22 A 332 319 4.88      
23 A 213 205 7.97      
24 A 86 83 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 16094.6 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 15483.0 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 B3LYP/3-21G*
ABC
0.30812 0.12547 0.09071

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.322 -1.222 0.000
C2 1.431 -0.623 0.000
N3 0.193 -1.149 -0.000
N4 1.454 0.753 0.000
N5 0.160 1.164 -0.000
N6 -0.585 -0.015 -0.000
H7 -2.405 -0.552 -0.893
H8 -2.375 1.003 -0.002
H9 -2.405 -0.548 0.896
C10 -2.048 -0.036 0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.07322.12972.15753.21953.14714.85665.19694.85764.5273
C21.07321.34531.37632.19282.10583.93954.13893.94023.5282
N32.12971.34532.28192.31291.37522.81133.35022.81312.5018
N42.15751.37632.28191.35742.17854.17063.83704.16973.5896
N53.21952.19282.31291.35741.39433.21302.54023.21152.5131
N63.14712.10581.37522.17851.39432.09762.05922.09771.4632
H74.85663.93952.81134.17063.21302.09761.79241.78871.0916
H85.19694.13893.35023.83702.54022.05921.79241.79241.0895
H94.85763.94022.81314.16973.21152.09771.78871.79241.0916
C104.52733.52822.50183.58962.51311.46321.09161.08951.0916

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 123.038 H1 C2 N4 123.010
C2 N3 N6 101.432 C2 N4 N5 106.673
N3 C2 N4 113.952 N3 N6 N5 113.263
N3 N6 C10 123.596 N4 N5 N6 104.679
N5 N6 C10 123.142 N6 C10 H7 109.518
N6 C10 H8 106.627 N6 C10 H9 109.531
H7 C10 H8 110.534 H7 C10 H9 110.036
H8 C10 H9 110.529
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.251      
2 C 0.225      
3 N -0.268      
4 N -0.302      
5 N -0.035      
6 N -0.259      
7 H 0.244      
8 H 0.248      
9 H 0.244      
10 C -0.349      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.563 -1.518 0.000 2.978
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.946 -4.283 -0.000
y -4.283 -39.979 -0.000
z -0.000 -0.000 -34.546
Traceless
 xyz
x 9.316 -4.283 -0.000
y -4.283 -8.733 -0.000
z -0.000 -0.000 -0.583
Polar
3z2-r2-1.166
x2-y212.033
xy-4.283
xz-0.000
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.120 -0.227 -0.001
y -0.227 5.901 0.000
z -0.001 0.000 3.064


<r2> (average value of r2) Å2
<r2> 128.748
(<r2>)1/2 11.347