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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-297.466096
Energy at 298.15K-297.473521
Nuclear repulsion energy229.158545
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 B3PW91/6-31G*
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 3671 3512 72.24      
2 A 3185 3047 1.05      
3 A 3071 2938 11.05      
4 A 1612 1543 46.40      
5 A 1522 1456 0.29      
6 A 1441 1378 1.66      
7 A 1438 1376 29.13      
8 A 1384 1324 3.17      
9 A 1298 1242 20.00      
10 A 1138 1089 6.12      
11 A 1098 1051 1.50      
12 A 1087 1040 31.43      
13 A 1030 986 0.56      
14 A 1003 960 0.55      
15 A 694 664 3.19      
16 A 337 323 4.09      
17 A 3136 3001 7.37      
18 A 1509 1443 11.23      
19 A 1077 1030 2.89      
20 A 743 710 6.09      
21 A 709 678 18.64      
22 A 586 561 78.07      
23 A 270 259 0.05      
24 A 84 80 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 16561.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 15844.6 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 B3PW91/6-31G*
ABC
0.32921 0.12233 0.09071

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.142 -0.063 0.000
C2 0.000 0.598 0.000
C3 0.173 2.074 0.000
H4 0.719 2.415 0.887
H5 0.719 2.415 -0.887
H6 -0.814 2.540 0.000
N7 0.989 -0.318 0.000
N8 0.453 -1.553 0.000
N9 -0.823 -1.380 0.000
H10 1.993 -0.204 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.31912.50903.22293.22292.62342.14612.18331.35473.1375
C21.31911.48622.14572.14572.10571.34832.19882.14212.1479
C32.50901.48621.09571.09571.09152.52763.63843.59462.9152
H43.22292.14571.09571.77391.77532.88604.07484.19073.0438
H53.22292.14571.09571.77391.77532.88604.07484.19073.0438
H62.62342.10571.09151.77531.77533.37944.28523.91973.9248
N72.14611.34832.52762.88602.88603.37941.34642.10041.0100
N82.18332.19883.63844.07484.07484.28521.34641.28862.0472
N91.35472.14213.59464.19074.19073.91972.10041.28863.0517
H103.13752.14792.91523.04383.04383.92481.01002.04723.0517

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 126.757 N1 C2 N7 107.129
N1 N9 N8 111.347 C2 N1 N9 106.471
C2 C3 H4 111.521 C2 C3 H5 111.521
C2 C3 H6 108.577 C2 N7 N8 109.363
C2 N7 H10 130.676 C3 C2 N7 126.113
H4 C3 H5 108.095 H4 C3 H6 108.520
H5 C3 H6 108.520 N7 N8 N9 105.690
N8 N7 H10 119.961
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.365     -0.438
2 C 0.562     0.630
3 C -0.593     -0.685
4 H 0.205     0.178
5 H 0.205     0.178
6 H 0.233     0.214
7 N -0.498     -0.006
8 N -0.040     -0.259
9 N -0.089     -0.047
10 H 0.379     0.234


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.174 4.033 0.000 5.804
CHELPG        
AIM        
ESP 4.063 3.878 0.000 5.616


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.345 -0.391 0.000
y -0.391 -36.244 0.000
z 0.000 0.000 -34.109
Traceless
 xyz
x 1.831 -0.391 0.000
y -0.391 -2.517 0.000
z 0.000 0.000 0.685
Polar
3z2-r21.371
x2-y22.899
xy-0.391
xz0.000
yz0.000


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> 128.231
(<r2>)1/2 11.324