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

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-292.064168
Energy at 298.15K-292.071480
Nuclear repulsion energy224.955450
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 HF/STO-3G
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 4105 3352 127.99      
2 A 3768 3076 4.01      
3 A 3573 2917 0.59      
4 A 1849 1510 39.15      
5 A 1797 1467 1.77      
6 A 1701 1389 6.36      
7 A 1629 1330 14.08      
8 A 1595 1302 1.59      
9 A 1504 1228 11.39      
10 A 1245 1016 21.52      
11 A 1224 1000 8.74      
12 A 1202 982 2.27      
13 A 1152 941 11.11      
14 A 1085 886 9.31      
15 A 751 613 4.51      
16 A 353 288 2.56      
17 A 3740 3054 1.01      
18 A 1792 1463 6.70      
19 A 1259 1028 4.87      
20 A 743 607 0.68      
21 A 728 594 13.93      
22 A 520 425 103.80      
23 A 294 240 0.00      
24 A 103 84 0.63      

Unscaled Zero Point Vibrational Energy (zpe) 18855.3 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 15395.4 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 HF/STO-3G
ABC
0.31787 0.11800 0.08746

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.166 -0.022 0.000
C2 0.000 0.606 0.000
C3 0.226 2.104 0.000
H4 0.784 2.405 0.884
H5 0.784 2.405 -0.884
H6 -0.737 2.604 0.000
N7 1.002 -0.334 0.000
N8 0.428 -1.599 0.000
N9 -0.865 -1.398 0.000
H10 2.019 -0.208 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.32442.54083.23613.23612.66052.19092.24231.40873.1906
C21.32441.51452.15202.15202.12951.37472.24622.18282.1772
C32.54081.51451.08791.08791.08542.55893.70803.66762.9259
H43.23612.15201.08791.76821.77072.88684.11554.23803.0226
H53.23612.15201.08791.76821.77072.88684.11554.23803.0226
H62.66052.12951.08541.77071.77073.41494.36134.00393.9379
N72.19091.37472.55892.88682.88683.41491.38862.14891.0245
N82.24232.24623.70804.11554.11554.36131.38861.30842.1130
N91.40872.18283.66764.23804.23804.00392.14891.30843.1197
H103.19062.17722.92593.02263.02263.93791.02452.11303.1197

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 126.886 N1 C2 N7 108.511
N1 N9 N8 111.176 C2 N1 N9 105.961
C2 C3 H4 110.496 C2 C3 H5 110.496
C2 C3 H6 108.862 C2 N7 N8 108.749
C2 N7 H10 129.743 C3 C2 N7 124.602
H4 C3 H5 108.716 H4 C3 H6 109.122
H5 C3 H6 109.122 N7 N8 N9 105.602
N8 N7 H10 121.508
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.196      
2 C 0.204      
3 C -0.187      
4 H 0.087      
5 H 0.087      
6 H 0.104      
7 N -0.251      
8 N -0.036      
9 N -0.067      
10 H 0.253      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.999 3.606 0.000 5.385
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.889 -0.274 0.000
y -0.274 -35.308 0.000
z 0.000 0.000 -31.656
Traceless
 xyz
x 0.592 -0.274 0.000
y -0.274 -3.035 0.000
z 0.000 0.000 2.443
Polar
3z2-r24.886
x2-y22.418
xy-0.274
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.163 0.266 0.000
y 0.266 4.581 0.000
z 0.000 0.000 1.636


<r2> (average value of r2) Å2
<r2> 131.086
(<r2>)1/2 11.449