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

using model chemistry: B1B95/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 B1B95/CEP-31G*
 hartrees
Energy at 0K-53.219144
Energy at 298.15K-53.226534
Nuclear repulsion energy119.719542
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 B1B95/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 3688 3530 85.01      
2 A 3205 3068 4.43      
3 A 3092 2960 14.00      
4 A 1615 1546 46.20      
5 A 1502 1437 0.57      
6 A 1430 1369 31.49      
7 A 1423 1362 6.84      
8 A 1385 1326 3.99      
9 A 1310 1254 21.49      
10 A 1167 1117 10.68      
11 A 1119 1071 14.38      
12 A 1078 1032 11.90      
13 A 1012 969 2.17      
14 A 985 943 0.30      
15 A 685 655 3.72      
16 A 325 312 3.69      
17 A 3167 3031 14.07      
18 A 1478 1414 13.78      
19 A 1047 1002 2.09      
20 A 729 698 8.65      
21 A 702 672 31.64      
22 A 622 595 58.73      
23 A 269 257 0.02      
24 A 74 71 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 16552.9 cm-1
Scaled (by 0.9572) Zero Point Vibrational Energy (zpe) 15844.4 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 B1B95/CEP-31G*
ABC
0.32403 0.12049 0.08933

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.152 -0.063 0.000
C2 0.000 0.599 0.000
C3 0.184 2.094 0.000
H4 0.733 2.427 0.894
H5 0.733 2.427 -0.894
H6 -0.809 2.562 0.000
N7 0.995 -0.324 0.000
N8 0.453 -1.564 0.000
N9 -0.834 -1.386 0.000
H10 2.005 -0.216 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.32842.53693.24893.24892.64732.16302.19721.36093.1609
C21.32841.50632.16352.16352.12351.35732.20962.15332.1645
C32.53691.50631.10141.10141.09792.55033.66753.62602.9416
H43.24892.16351.10141.78881.78822.90474.09974.21913.0667
H53.24892.16351.10141.78881.78822.90474.09974.21913.0667
H62.64732.12351.09791.78821.78823.40374.31463.94843.9546
N72.16301.35732.55032.90472.90473.40371.35342.11581.0157
N82.19722.20963.66754.09974.09974.31461.35341.29932.0559
N91.36092.15333.62604.21914.21913.94842.11581.29933.0713
H103.16092.16452.94163.06673.06673.95461.01572.05593.0713

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 126.887 N1 C2 N7 107.291
N1 N9 N8 111.347 C2 N1 N9 106.384
C2 C3 H4 111.182 C2 C3 H5 111.182
C2 C3 H6 108.235 C2 N7 N8 109.200
C2 N7 H10 131.069 C3 C2 N7 125.821
H4 C3 H5 108.595 H4 C3 H6 108.795
H5 C3 H6 108.795 N7 N8 N9 105.779
N8 N7 H10 119.731
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.167      
2 C -0.554      
3 C -0.371      
4 H 0.155      
5 H 0.155      
6 H 0.192      
7 N 0.019      
8 N -0.052      
9 N -0.084      
10 H 0.372      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.334 4.122 0.000 5.981
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.404 -0.434 0.000
y -0.434 -36.576 0.000
z 0.000 0.000 -33.856
Traceless
 xyz
x 1.813 -0.434 0.000
y -0.434 -2.946 0.000
z 0.000 0.000 1.134
Polar
3z2-r22.268
x2-y23.173
xy-0.434
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.931 0.259 0.000
y 0.259 8.305 0.000
z 0.000 0.000 3.963


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