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

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-294.100154
Energy at 298.15K-294.107871
Nuclear repulsion energy227.968371
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/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 3864 3488 151.75      
2 A 3321 2997 0.51      
3 A 3215 2902 6.84      
4 A 1705 1539 73.03      
5 A 1649 1488 4.63      
6 A 1588 1433 9.84      
7 A 1487 1342 24.56      
8 A 1450 1309 12.37      
9 A 1325 1196 11.80      
10 A 1181 1066 2.12      
11 A 1138 1027 15.82      
12 A 1111 1002 3.37      
13 A 1001 903 14.50      
14 A 941 849 19.09      
15 A 709 640 3.13      
16 A 351 317 3.65      
17 A 3267 2949 6.94      
18 A 1658 1497 13.16      
19 A 1214 1096 10.70      
20 A 787 711 13.12      
21 A 760 686 160.42      
22 A 752 679 3.30      
23 A 305 275 0.00      
24 A 118 107 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 17446.9 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 15747.6 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 HF/3-21G*
ABC
0.32886 0.12094 0.08990

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.143 -0.024 0.000
C2 0.000 0.599 0.000
C3 0.194 2.074 0.000
H4 0.742 2.388 0.880
H5 0.742 2.388 -0.880
H6 -0.774 2.550 0.000
N7 0.996 -0.309 0.000
N8 0.430 -1.575 0.000
N9 -0.835 -1.400 0.000
H10 1.984 -0.198 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.30162.48783.18563.18562.60012.15772.20941.41033.1316
C21.30161.48782.12792.12792.09901.34722.21622.16622.1377
C32.48781.48781.08381.08381.07902.51363.65683.62322.8918
H43.18562.12791.08381.76101.76122.84794.07194.19683.0003
H53.18562.12791.08381.76101.76122.84794.07194.19683.0003
H62.60012.09901.07901.76121.76123.36204.29733.95043.8930
N72.15771.34722.51362.84792.84793.36201.38732.13130.9941
N82.20942.21623.65684.07194.07194.29731.38731.27692.0764
N91.41032.16623.62324.19684.19683.95042.13131.27693.0642
H103.13162.13772.89183.00033.00033.89300.99412.07643.0642

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 126.082 N1 C2 N7 109.082
N1 N9 N8 110.510 C2 N1 N9 105.955
C2 C3 H4 110.696 C2 C3 H5 110.696
C2 C3 H6 108.676 C2 N7 N8 108.270
C2 N7 H10 131.266 C3 C2 N7 124.835
H4 C3 H5 108.667 H4 C3 H6 109.037
H5 C3 H6 109.037 N7 N8 N9 106.182
N8 N7 H10 120.464
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.460 -0.500    
2 C 0.718 0.690    
3 C -0.629 -0.615    
4 H 0.246 0.165    
5 H 0.246 0.165    
6 H 0.279 0.195    
7 N -0.727 -0.040    
8 N -0.010 -0.252    
9 N -0.075 -0.039    
10 H 0.411 0.233    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.505 4.358 0.000 6.268
CHELPG 4.284 4.094 0.000 5.925
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.282 -0.192 0.000
y -0.192 -37.201 0.000
z 0.000 0.000 -35.117
Traceless
 xyz
x 0.877 -0.192 0.000
y -0.192 -2.002 0.000
z 0.000 0.000 1.125
Polar
3z2-r22.250
x2-y21.919
xy-0.192
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.905 0.298 0.000
y 0.298 6.711 0.000
z 0.000 0.000 2.970


<r2> (average value of r2) Å2
<r2> 129.741
(<r2>)1/2 11.390