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

using model chemistry: B3LYP/CEP-31G*

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/CEP-31G*
 hartrees
Energy at 0K-53.267451
Energy at 298.15K-53.274929
Nuclear repulsion energy120.617457
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/CEP-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 3280 3168 1.69      
2 A 3187 3078 5.22      
3 A 3155 3047 18.19      
4 A 3076 2970 27.36      
5 A 1507 1456 5.00      
6 A 1477 1426 11.13      
7 A 1474 1424 15.55      
8 A 1445 1396 0.62      
9 A 1397 1349 22.66      
10 A 1307 1262 12.97      
11 A 1305 1260 13.90      
12 A 1241 1198 14.85      
13 A 1149 1110 12.86      
14 A 1137 1098 0.13      
15 A 1032 996 23.88      
16 A 1027 992 15.87      
17 A 1001 967 3.51      
18 A 880 850 20.99      
19 A 703 679 6.02      
20 A 696 672 14.82      
21 A 666 643 4.84      
22 A 355 343 4.74      
23 A 222 214 5.74      
24 A 89 86 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 16403.6 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 15840.9 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/CEP-31G*
ABC
0.31878 0.12801 0.09298

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.380 -1.177 -0.000
C2 1.469 -0.582 0.000
N3 0.241 -1.124 0.000
N4 1.457 0.784 -0.000
N5 0.175 1.134 0.000
N6 -0.524 -0.017 -0.000
H7 -2.346 -0.582 -0.898
H8 -2.343 0.987 -0.003
H9 -2.346 -0.576 0.902
C10 -1.992 -0.053 -0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.08822.13942.16773.19423.12734.84745.19544.84894.5140
C21.08821.34241.36572.14892.07183.91974.12253.92063.5011
N32.13941.34242.26212.25871.34602.79213.33702.79432.4765
N42.16771.36572.26211.32842.13634.13923.80524.13813.5486
N53.19422.14892.25871.32841.34613.17922.52253.17692.4707
N63.12732.07181.34602.13631.34612.10862.07772.10881.4683
H74.84743.91972.79214.13923.17922.10861.80611.80001.1009
H85.19544.12253.33703.80522.52252.07771.80611.80611.0979
H94.84893.92062.79434.13813.17692.10881.80001.80611.1009
C104.51403.50112.47653.54862.47071.46831.10091.09791.1009

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 122.994 H1 C2 N4 123.710
C2 N3 N6 100.820 C2 N4 N5 105.799
N3 C2 N4 113.296 N3 N6 N5 114.068
N3 N6 C10 123.218 N4 N5 N6 106.016
N5 N6 C10 122.714 N6 C10 H7 109.490
N6 C10 H8 107.237 N6 C10 H9 109.499
H7 C10 H8 110.454 H7 C10 H9 109.674
H8 C10 H9 110.446
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.280      
2 C -0.599      
3 N 0.117      
4 N 0.061      
5 N -0.081      
6 N 0.140      
7 H 0.215      
8 H 0.239      
9 H 0.215      
10 C -0.586      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.551 -1.552 -0.001 2.986
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.899 -4.241 0.001
y -4.241 -40.024 0.000
z 0.001 0.000 -34.052
Traceless
 xyz
x 9.139 -4.241 0.001
y -4.241 -9.048 0.000
z 0.001 0.000 -0.091
Polar
3z2-r2-0.181
x2-y212.125
xy-4.241
xz0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.756 -0.072 0.000
y -0.072 6.764 0.002
z 0.000 0.002 3.963


<r2> (average value of r2) Å2
<r2> 102.157
(<r2>)1/2 10.107