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

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-295.900288
Energy at 298.15K-295.907638
Nuclear repulsion energy223.892129
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 B3LYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3590 3464 80.49      
2 A 3168 3057 0.67      
3 A 3063 2956 7.28      
4 A 1551 1497 17.95      
5 A 1524 1470 35.28      
6 A 1470 1418 14.31      
7 A 1346 1299 23.58      
8 A 1307 1261 8.12      
9 A 1092 1054 1.23      
10 A 1064 1027 0.59      
11 A 1026 990 0.54      
12 A 1009 973 16.68      
13 A 877 847 8.14      
14 A 815 787 17.55      
15 A 668 644 1.36      
16 A 325 313 3.19      
17 A 3113 3004 7.07      
18 A 1557 1502 12.87      
19 A 1113 1074 6.93      
20 A 705 680 2.89      
21 A 679 656 44.24      
22 A 645 622 87.77      
23 A 271 262 0.02      
24 A 114 110 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 16045.7 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 15482.5 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 B3LYP/3-21G
ABC
0.31334 0.11812 0.08720

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.170 -0.027 0.000
C2 0.000 0.610 0.000
C3 0.175 2.091 0.000
H4 0.723 2.423 0.889
H5 0.723 2.423 -0.889
H6 -0.812 2.554 0.000
N7 1.017 -0.294 0.000
N8 0.471 -1.601 0.000
N9 -0.847 -1.427 0.000
H10 2.021 -0.164 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.33202.50903.22103.22102.60552.20302.27411.43703.1937
C21.33201.49132.14482.14482.10681.36082.26132.20632.1641
C32.50901.49131.09581.09581.09082.52933.70443.66372.9141
H43.22102.14481.09581.77881.77872.87434.12954.25193.0284
H53.22102.14481.09581.77881.77872.87434.12954.25193.0284
H62.60552.10681.09081.77871.77873.38504.34923.98133.9263
N72.20301.36082.52932.87432.87433.38501.41682.18111.0124
N82.27412.26133.70444.12954.12954.34921.41681.32932.1139
N91.43702.20633.66374.25194.25193.98132.18111.32933.1336
H103.19372.16412.91413.02843.02843.92631.01242.11393.1336

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 125.321 N1 C2 N7 109.784
N1 N9 N8 110.527 C2 N1 N9 105.583
C2 C3 H4 111.082 C2 C3 H5 111.082
C2 C3 H6 108.364 C2 N7 N8 108.980
C2 N7 H10 130.973 C3 C2 N7 124.895
H4 C3 H5 108.516 H4 C3 H6 108.873
H5 C3 H6 108.873 N7 N8 N9 105.127
N8 N7 H10 120.047
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.368     -0.431
2 C 0.588     0.591
3 C -0.606     -0.632
4 H 0.228     0.169
5 H 0.228     0.169
6 H 0.254     0.204
7 N -0.561     -0.009
8 N -0.036     -0.240
9 N -0.085     -0.051
10 H 0.358     0.229


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.228 4.090 0.000 5.883
CHELPG        
AIM        
ESP 4.121 3.915 0.000 5.685


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.083 -0.169 0.000
y -0.169 -36.657 0.000
z 0.000 0.000 -34.612
Traceless
 xyz
x 1.551 -0.169 0.000
y -0.169 -2.309 0.000
z 0.000 0.000 0.758
Polar
3z2-r21.517
x2-y22.573
xy-0.169
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.236 0.313 0.000
y 0.313 7.532 0.000
z 0.000 0.000 3.067


<r2> (average value of r2) Å2
<r2> 132.463
(<r2>)1/2 11.509