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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-297.330155
Energy at 298.15K-297.337729
Nuclear repulsion energy228.998490
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 B3PW91/6-31G
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 3377 3235 0.44      
2 A 3222 3085 0.28      
3 A 3190 3055 5.75      
4 A 3099 2968 13.19      
5 A 1543 1478 14.00      
6 A 1523 1458 17.85      
7 A 1493 1430 7.62      
8 A 1437 1376 1.48      
9 A 1416 1356 16.23      
10 A 1290 1235 12.66      
11 A 1267 1214 7.33      
12 A 1181 1131 5.19      
13 A 1177 1127 0.15      
14 A 1141 1093 12.31      
15 A 1028 985 4.26      
16 A 1007 964 17.68      
17 A 963 923 22.41      
18 A 899 861 20.19      
19 A 718 688 8.71      
20 A 715 684 9.61      
21 A 696 666 2.02      
22 A 374 358 5.96      
23 A 250 240 9.22      
24 A 87 84 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 16546.3 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 15846.4 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 B3PW91/6-31G
ABC
0.31722 0.12840 0.09302

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.324 -1.206 0.000
C2 1.430 -0.612 0.000
N3 0.190 -1.131 -0.000
N4 1.427 0.758 -0.000
N5 0.147 1.136 0.000
N6 -0.573 -0.017 -0.000
H7 -2.382 -0.555 -0.891
H8 -2.358 0.997 -0.003
H9 -2.382 -0.550 0.894
C10 -2.020 -0.039 0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.07332.13572.15883.19743.13174.83355.17414.83474.4979
C21.07331.34421.37002.16842.08963.91464.11523.91543.4969
N32.13571.34422.25792.26761.35032.78173.31932.78382.4649
N42.15881.37002.25791.33442.14494.12573.79214.12483.5373
N53.19742.16842.26761.33441.35973.16992.50883.16812.4647
N63.13172.08961.35032.14491.35972.08642.05252.08651.4466
H74.83353.91462.78174.12573.16992.08641.78791.78421.0913
H85.17414.11523.31933.79212.50882.05251.78791.78781.0891
H94.83473.91542.78384.12483.16812.08651.78421.78781.0914
C104.49793.49692.46493.53732.46471.44661.09131.08911.0914

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 123.730 H1 C2 N4 123.687
C2 N3 N6 101.702 C2 N4 N5 106.596
N3 C2 N4 112.583 N3 N6 N5 113.600
N3 N6 C10 123.563 N4 N5 N6 105.520
N5 N6 C10 122.837 N6 C10 H7 109.791
N6 C10 H8 107.238 N6 C10 H9 109.802
H7 C10 H8 110.163 H7 C10 H9 109.658
H8 C10 H9 110.157
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.229      
2 C 0.142      
3 N -0.169      
4 N -0.276      
5 N 0.023      
6 N -0.341      
7 H 0.218      
8 H 0.220      
9 H 0.218      
10 C -0.263      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.608 -1.676 0.000 3.101
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.175 -4.601 0.001
y -4.601 -40.946 -0.000
z 0.001 -0.000 -34.497
Traceless
 xyz
x 9.546 -4.601 0.001
y -4.601 -9.610 -0.000
z 0.001 -0.000 0.063
Polar
3z2-r20.127
x2-y212.770
xy-4.601
xz0.001
yz-0.000


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


<r2> (average value of r2) Å2
<r2> 126.494
(<r2>)1/2 11.247