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

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-295.826596
Energy at 298.15K-295.833709
Nuclear repulsion energy220.981645
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 BLYP/3-21G
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 3452 3433 43.92      
2 A 3087 3070 1.66      
3 A 2984 2968 10.02      
4 A 1514 1505 9.53      
5 A 1451 1443 20.73      
6 A 1423 1415 28.59      
7 A 1283 1276 20.12      
8 A 1241 1234 6.59      
9 A 1029 1023 0.84      
10 A 1003 997 0.88      
11 A 982 977 0.29      
12 A 943 938 12.15      
13 A 792 787 7.11      
14 A 737 733 17.85      
15 A 638 634 0.75      
16 A 312 310 2.72      
17 A 3029 3012 9.86      
18 A 1522 1514 11.28      
19 A 1078 1072 5.21      
20 A 670 666 6.77      
21 A 642 639 27.24      
22 A 578 574 89.36      
23 A 257 255 0.07      
24 A 114 113 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 15378.6 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 15294.1 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 BLYP/3-21G
ABC
0.30456 0.11545 0.08508

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.188 -0.019 0.000
C2 0.000 0.617 0.000
C3 0.176 2.111 0.000
H4 0.727 2.446 0.895
H5 0.727 2.446 -0.895
H6 -0.819 2.575 0.000
N7 1.030 -0.290 0.000
N8 0.482 -1.626 0.000
N9 -0.858 -1.447 0.000
H10 2.043 -0.153 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.34782.52913.24713.24712.62052.23472.31771.46573.2341
C21.34781.50342.16152.16152.12201.37322.29472.23612.1839
C32.52911.50341.10321.10321.09802.54843.74903.70522.9346
H43.24712.16151.10321.79031.79092.89484.17614.29763.0478
H53.24712.16151.10321.79031.79092.89484.17614.29763.0478
H62.62052.12201.09801.79091.79093.41044.39804.02273.9543
N72.23471.37322.54842.89482.89483.41041.44352.21451.0224
N82.31772.29473.74904.17614.17614.39801.44351.35242.1460
N91.46572.23613.70524.29764.29764.02272.21451.35243.1770
H103.23412.18392.93463.04783.04783.95431.02242.14603.1770

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 124.914 N1 C2 N7 110.419
N1 N9 N8 110.594 C2 N1 N9 105.184
C2 C3 H4 111.112 C2 C3 H5 111.112
C2 C3 H6 108.311 C2 N7 N8 109.088
C2 N7 H10 130.899 C3 C2 N7 124.667
H4 C3 H5 108.469 H4 C3 H6 108.894
H5 C3 H6 108.894 N7 N8 N9 104.715
N8 N7 H10 120.013
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.339      
2 C 0.544      
3 C -0.574      
4 H 0.213      
5 H 0.213      
6 H 0.238      
7 N -0.504      
8 N -0.042      
9 N -0.083      
10 H 0.333      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.074 3.937 0.000 5.666
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.929 -0.114 0.000
y -0.114 -36.463 0.000
z 0.000 0.000 -34.645
Traceless
 xyz
x 1.624 -0.114 0.000
y -0.114 -2.176 0.000
z 0.000 0.000 0.552
Polar
3z2-r21.103
x2-y22.533
xy-0.114
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> 135.046
(<r2>)1/2 11.621