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

using model chemistry: LSDA/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 LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-296.008192
Energy at 298.15K-296.015781
Nuclear repulsion energy233.260285
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 LSDA/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 3221 3169 0.27      
2 A 3123 3073 0.51      
3 A 3089 3040 0.69      
4 A 3004 2956 9.55      
5 A 1477 1453 8.69      
6 A 1449 1426 4.22      
7 A 1424 1401 9.60      
8 A 1400 1378 12.96      
9 A 1369 1347 1.14      
10 A 1317 1296 20.68      
11 A 1296 1276 12.58      
12 A 1261 1241 4.23      
13 A 1151 1132 9.81      
14 A 1101 1083 1.08      
15 A 1051 1034 25.55      
16 A 1011 995 4.59      
17 A 1006 990 13.18      
18 A 864 850 8.21      
19 A 738 726 9.49      
20 A 723 712 1.78      
21 A 698 687 10.16      
22 A 365 359 5.23      
23 A 238 234 4.05      
24 A 101 99 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 16237.6 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 15977.8 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 LSDA/6-31G(2df,p)
ABC
0.32995 0.13331 0.09671

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.308 -1.198 0.000
C2 1.404 -0.593 0.000
N3 0.183 -1.111 -0.000
N4 1.397 0.751 -0.000
N5 0.141 1.104 0.000
N6 -0.554 -0.022 -0.000
H7 -2.355 -0.553 -0.896
H8 -2.312 1.013 -0.002
H9 -2.355 -0.549 0.898
C10 -1.980 -0.035 0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.08762.12682.15133.16163.09384.79135.12134.79224.4433
C21.08761.32671.34362.11552.03953.86444.04803.86483.4304
N32.12681.32672.22222.21521.31422.74783.27582.74952.4160
N42.15131.34362.22221.30442.09814.07133.71774.07063.4673
N53.16162.11552.21521.30441.32353.12722.45463.12572.4080
N63.09382.03951.31422.09811.32352.08022.03992.08031.4267
H74.79133.86442.74784.07133.12722.08021.80361.79351.1006
H85.12134.04803.27583.71772.45462.03991.80361.80361.0985
H94.79223.86482.74954.07063.12572.08031.79351.80361.1006
C104.44333.43042.41603.46732.40801.42671.10061.09851.1006

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 123.211 H1 C2 N4 124.141
C2 N3 N6 101.119 C2 N4 N5 106.047
N3 C2 N4 112.649 N3 N6 N5 114.238
N3 N6 C10 123.587 N4 N5 N6 105.948
N5 N6 C10 122.176 N6 C10 H7 110.119
N6 C10 H8 107.049 N6 C10 H9 110.128
H7 C10 H8 110.205 H7 C10 H9 109.128
H8 C10 H9 110.195
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.175      
2 C -0.012      
3 N -0.211      
4 N -0.174      
5 N -0.117      
6 N 0.191      
7 H 0.197      
8 H 0.207      
9 H 0.197      
10 C -0.453      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.406 -1.434 0.001 2.801
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.175 -3.825 0.001
y -3.825 -39.185 -0.001
z 0.001 -0.001 -33.716
Traceless
 xyz
x 8.275 -3.825 0.001
y -3.825 -8.240 -0.001
z 0.001 -0.001 -0.036
Polar
3z2-r2-0.071
x2-y211.010
xy-3.825
xz0.001
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.034 -0.183 -0.000
y -0.183 6.682 -0.000
z -0.000 -0.000 4.171


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