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

using model chemistry: HF/SDD

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/SDD
 hartrees
Energy at 0K-295.676077
Energy at 298.15K-295.683838
Nuclear repulsion energy228.573247
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/SDD
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 3971 3575 152.23      
2 A 3354 3020 6.09      
3 A 3225 2904 21.54      
4 A 1751 1577 73.59      
5 A 1640 1477 5.69      
6 A 1586 1428 4.17      
7 A 1541 1387 0.01      
8 A 1510 1359 39.63      
9 A 1433 1291 29.44      
10 A 1196 1077 11.52      
11 A 1177 1060 8.96      
12 A 1130 1017 20.99      
13 A 1110 999 7.69      
14 A 1071 965 4.39      
15 A 729 657 4.89      
16 A 362 326 4.30      
17 A 3302 2973 20.57      
18 A 1641 1477 17.89      
19 A 1208 1087 5.02      
20 A 818 736 169.75      
21 A 793 714 0.76      
22 A 763 687 1.98      
23 A 301 271 0.06      
24 A 92 83 0.57      

Unscaled Zero Point Vibrational Energy (zpe) 17850.1 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 16072.2 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/SDD
ABC
0.33079 0.12094 0.09003

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.137 -0.060 0.000
C2 0.000 0.604 0.000
C3 0.164 2.085 0.000
H4 0.703 2.416 0.879
H5 0.703 2.416 -0.879
H6 -0.812 2.543 0.000
N7 0.996 -0.311 0.000
N8 0.451 -1.561 0.000
N9 -0.818 -1.398 0.000
H10 1.980 -0.200 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.31622.50833.20753.20752.62232.14752.18501.37623.1204
C21.31621.49022.13342.13342.10191.35222.21132.16312.1376
C32.50831.49021.08291.08291.07822.53613.65723.61942.9193
H43.20752.13341.08291.75731.75642.88004.08104.20003.0414
H53.20752.13341.08291.75731.75642.88004.08104.20003.0414
H62.62232.10191.07821.75641.75643.37804.29343.94103.9145
N72.14751.35222.53612.88002.88003.37801.36402.11540.9906
N82.18502.21133.65724.08104.08104.29341.36401.27942.0473
N91.37622.16313.61944.20004.20003.94102.11541.27943.0444
H103.12042.13762.91933.04143.04143.91450.99062.04733.0444

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 126.593 N1 C2 N7 107.167
N1 N9 N8 110.678 C2 N1 N9 106.892
C2 C3 H4 111.035 C2 C3 H5 111.035
C2 C3 H6 108.784 C2 N7 N8 108.998
C2 N7 H10 131.044 C3 C2 N7 126.240
H4 C3 H5 108.466 H4 C3 H6 108.732
H5 C3 H6 108.732 N7 N8 N9 106.266
N8 N7 H10 119.958
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.231      
2 C 0.384      
3 C -0.604      
4 H 0.212      
5 H 0.212      
6 H 0.253      
7 N -0.585      
8 N 0.005      
9 N -0.066      
10 H 0.421      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.751 4.684 0.000 6.671
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.335 -0.275 0.000
y -0.275 -38.377 0.000
z 0.000 0.000 -35.325
Traceless
 xyz
x 0.516 -0.275 0.000
y -0.275 -2.547 0.000
z 0.000 0.000 2.032
Polar
3z2-r24.063
x2-y22.042
xy-0.275
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.595 0.221 0.000
y 0.221 7.290 0.000
z 0.000 0.000 3.681


<r2> (average value of r2) Å2
<r2> 130.186
(<r2>)1/2 11.410