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

using model chemistry: B3LYP/CEP-121G

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-121G
 hartrees
Energy at 0K-53.166099
Energy at 298.15K-53.173474
Nuclear repulsion energy117.399774
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-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3664 3570 61.51      
2 A 3137 3057 4.86      
3 A 3011 2934 18.40      
4 A 1548 1509 54.25      
5 A 1509 1471 6.82      
6 A 1447 1410 4.86      
7 A 1345 1310 27.84      
8 A 1340 1306 3.86      
9 A 1173 1143 10.35      
10 A 1061 1034 2.67      
11 A 1025 998 11.20      
12 A 1008 982 7.34      
13 A 966 941 10.49      
14 A 914 891 9.25      
15 A 667 650 2.53      
16 A 329 320 3.76      
17 A 3085 3007 17.91      
18 A 1509 1470 15.43      
19 A 1086 1058 2.34      
20 A 728 709 122.53      
21 A 686 668 1.82      
22 A 650 634 5.29      
23 A 252 246 0.09      
24 A 85 83 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 16111.5 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 15700.6 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 B3LYP/CEP-121G
ABC
0.31166 0.11628 0.08606

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.197 -0.051 0.000
C2 0.000 0.581 0.000
C3 0.215 2.070 0.000
H4 0.769 2.394 0.889
H5 0.769 2.394 -0.889
H6 -0.761 2.562 0.000
N7 0.986 -0.381 0.000
N8 0.402 -1.659 0.000
N9 -0.917 -1.442 0.000
H10 1.992 -0.289 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.35342.54783.26123.26122.64862.20752.26811.41913.1980
C21.35341.50492.16152.16152.12211.37672.27542.22062.1736
C32.54781.50491.09721.09721.09232.56913.73383.68982.9539
H43.26122.16151.09721.77891.77792.92174.16574.28363.0799
H53.26122.16151.09721.77891.77792.92174.16574.28363.0799
H62.64862.12211.09231.77791.77793.42154.37794.00663.9630
N72.20751.37672.56912.92172.92173.42151.40522.17861.0105
N82.26812.27543.73384.16574.16574.37791.40521.33692.0984
N91.41912.22063.68984.28364.28364.00662.17861.33693.1289
H103.19802.17362.95393.07993.07993.96301.01052.09843.1289

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 126.007 N1 C2 N7 107.914
N1 N9 N8 110.732 C2 N1 N9 106.419
C2 C3 H4 111.367 C2 C3 H5 111.367
C2 C3 H6 108.545 C2 N7 N8 109.749
C2 N7 H10 130.537 C3 C2 N7 126.078
H4 C3 H5 108.317 H4 C3 H6 108.585
H5 C3 H6 108.585 N7 N8 N9 105.185
N8 N7 H10 119.714
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.015      
2 C 0.064      
3 C -0.618      
4 H 0.182      
5 H 0.182      
6 H 0.210      
7 N -0.322      
8 N 0.023      
9 N -0.089      
10 H 0.352      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.647 4.355 0.000 6.369
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.701 -0.619 0.000
y -0.619 -38.198 0.000
z 0.000 0.000 -34.957
Traceless
 xyz
x 0.876 -0.619 0.000
y -0.619 -2.868 0.000
z 0.000 0.000 1.992
Polar
3z2-r23.984
x2-y22.496
xy-0.619
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.448 0.325 0.000
y 0.325 8.782 0.000
z 0.000 0.000 4.317


<r2> (average value of r2) Å2
<r2> 108.688
(<r2>)1/2 10.425