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

using model chemistry: PBEPBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at PBEPBE/6-31G**
 hartrees
Energy at 0K-297.254282
Energy at 298.15K-297.261565
Nuclear repulsion energy227.139680
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 PBEPBE/6-31G**
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 3569 3521 52.14      
2 A 3110 3068 0.84      
3 A 2996 2955 10.92      
4 A 1542 1521 41.77      
5 A 1461 1441 0.31      
6 A 1376 1357 2.16      
7 A 1375 1356 25.61      
8 A 1310 1292 2.46      
9 A 1217 1200 17.85      
10 A 1081 1066 1.97      
11 A 1042 1028 14.87      
12 A 1018 1004 19.31      
13 A 979 966 0.41      
14 A 959 946 0.47      
15 A 675 665 2.65      
16 A 326 322 3.77      
17 A 3062 3020 6.46      
18 A 1448 1428 10.18      
19 A 1030 1016 2.61      
20 A 714 704 6.04      
21 A 681 672 19.66      
22 A 559 551 65.12      
23 A 259 255 0.04      
24 A 81 80 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 15933.9 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 15715.6 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 PBEPBE/6-31G**
ABC
0.32260 0.12061 0.08928

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.154 -0.060 0.000
C2 0.000 0.605 0.000
C3 0.173 2.085 0.000
H4 0.721 2.431 0.892
H5 0.721 2.431 -0.892
H6 -0.822 2.552 0.000
N7 0.999 -0.316 0.000
N8 0.462 -1.569 0.000
N9 -0.830 -1.391 0.000
H10 2.009 -0.195 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.33192.52243.24263.24262.63312.16782.21081.36993.1657
C21.33191.49032.15602.15602.11311.35862.22222.16222.1622
C32.52241.49031.10241.10241.09812.53953.66533.61842.9276
H43.24262.15601.10241.78341.78582.90124.10564.22023.0573
H53.24262.15601.10241.78341.78582.90124.10564.22023.0573
H62.63312.11311.09811.78581.78583.39684.31583.94323.9440
N72.16781.35862.53952.90122.90123.39681.36252.12181.0175
N82.21082.22223.66534.10564.10564.31581.36251.30492.0687
N91.36992.16223.61844.22024.22023.94322.12181.30493.0812
H103.16572.16222.92763.05733.05733.94401.01752.06873.0812

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 126.606 N1 C2 N7 107.357
N1 N9 N8 111.465 C2 N1 N9 106.300
C2 C3 H4 111.644 C2 C3 H5 111.644
C2 C3 H6 108.495 C2 N7 N8 109.500
C2 N7 H10 130.469 C3 C2 N7 126.037
H4 C3 H5 107.977 H4 C3 H6 108.495
H5 C3 H6 108.495 N7 N8 N9 105.377
N8 N7 H10 120.031
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.342      
2 C 0.510      
3 C -0.430      
4 H 0.157      
5 H 0.157      
6 H 0.181      
7 N -0.381      
8 N -0.050      
9 N -0.091      
10 H 0.289      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.052 3.958 0.000 5.665
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.414 -0.340 0.000
y -0.340 -36.194 0.000
z 0.000 0.000 -34.187
Traceless
 xyz
x 1.777 -0.340 0.000
y -0.340 -2.393 0.000
z 0.000 0.000 0.617
Polar
3z2-r21.233
x2-y22.780
xy-0.340
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.950 0.301 0.000
y 0.301 8.464 0.000
z 0.000 0.000 3.821


<r2> (average value of r2) Å2
<r2> 129.906
(<r2>)1/2 11.398