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All results from a given calculation for C2H4N4 (2H-Tetrazole, 2-methyl-)

using model chemistry: PBEPBE/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-297.345683
Energy at 298.15K-297.353184
Nuclear repulsion energy230.940223
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/cc-pVTZ
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 3202 3180 0.41      
2 A 3106 3084 0.41      
3 A 3069 3048 5.18      
4 A 2998 2977 16.38      
5 A 1459 1449 5.34      
6 A 1428 1418 10.86      
7 A 1425 1415 12.19      
8 A 1393 1383 0.93      
9 A 1365 1356 6.69      
10 A 1274 1265 11.55      
11 A 1241 1232 10.09      
12 A 1188 1180 6.88      
13 A 1124 1117 9.02      
14 A 1106 1098 0.11      
15 A 1011 1004 22.71      
16 A 993 986 9.52      
17 A 973 966 14.23      
18 A 856 851 12.35      
19 A 705 700 4.13      
20 A 700 695 9.03      
21 A 676 671 7.22      
22 A 360 358 4.77      
23 A 227 226 4.00      
24 A 92 91 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 15985.0 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 15874.7 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/cc-pVTZ
ABC
0.32363 0.13028 0.09457

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.313 -1.209 0.000
C2 1.414 -0.602 0.000
N3 0.185 -1.123 -0.000
N4 1.416 0.753 -0.000
N5 0.150 1.117 0.000
N6 -0.558 -0.018 -0.000
H7 -2.375 -0.552 -0.894
H8 -2.343 1.009 -0.002
H9 -2.375 -0.547 0.896
C10 -2.009 -0.032 0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.08442.13012.15723.17623.10814.81755.15744.81834.4790
C21.08441.33561.35532.13402.05703.89364.08833.89403.4701
N32.13011.33562.24482.24101.33142.77073.30712.77242.4497
N42.15721.35532.24481.31752.12014.10803.76844.10733.5142
N53.17622.13402.24101.31751.33873.15612.49593.15442.4461
N63.10812.05701.33142.12011.33872.09362.05962.09371.4506
H74.81753.89362.77074.10803.15612.09361.79731.78971.0964
H85.15744.08833.30713.76842.49592.05961.79731.79731.0938
H94.81833.89402.77244.10733.15442.09371.78971.79731.0964
C104.47903.47012.44973.51422.44611.45061.09641.09381.0964

picture of 2H-Tetrazole, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 N3 122.998 H1 C2 N4 123.934
C2 N3 N6 100.938 C2 N4 N5 105.948
N3 C2 N4 113.068 N3 N6 N5 114.133
N3 N6 C10 123.361 N4 N5 N6 105.913
N5 N6 C10 122.506 N6 C10 H7 109.780
N6 C10 H8 107.255 N6 C10 H9 109.788
H7 C10 H8 110.296 H7 C10 H9 109.407
H8 C10 H9 110.289
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.107      
2 C -0.030      
3 N -0.180      
4 N -0.142      
5 N -0.093      
6 N 0.155      
7 H 0.116      
8 H 0.121      
9 H 0.116      
10 C -0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.447 -1.405 0.001 2.822
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.694 -3.946 0.002
y -3.946 -39.892 -0.001
z 0.002 -0.001 -34.311
Traceless
 xyz
x 8.407 -3.946 0.002
y -3.946 -8.390 -0.001
z 0.002 -0.001 -0.017
Polar
3z2-r2-0.035
x2-y211.198
xy-3.946
xz0.002
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.766 -0.173 -0.000
y -0.173 7.336 -0.000
z -0.000 -0.000 4.723


<r2> (average value of r2) Å2
<r2> 124.792
(<r2>)1/2 11.171