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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at G4
 hartrees
Energy at 0K-297.441186
Energy at 298.15K-297.435044
HF Energy-297.595704
Nuclear repulsion energy228.907630
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/6-31G(2df,p)
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 3660 3532 72.52      
2 A 3155 3045 1.35      
3 A 3047 2940 11.40      
4 A 1589 1533 46.49      
5 A 1497 1445 0.35      
6 A 1419 1370 0.66      
7 A 1415 1365 25.65      
8 A 1368 1320 3.76      
9 A 1277 1232 16.71      
10 A 1112 1073 2.87      
11 A 1084 1046 12.98      
12 A 1060 1023 22.42      
13 A 1015 979 1.28      
14 A 993 958 1.11      
15 A 687 663 3.12      
16 A 337 325 3.82      
17 A 3104 2995 7.82      
18 A 1485 1433 7.89      
19 A 1071 1034 2.03      
20 A 741 715 4.58      
21 A 709 684 11.62      
22 A 578 558 66.69      
23 A 274 264 0.09      
24 A 85 82 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 16380.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 15807.1 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/6-31G(2df,p)
ABC
0.32863 0.12209 0.09053

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.144 -0.057 0.000
C2 0.000 0.598 0.000
C3 0.181 2.075 0.000
H4 0.730 2.410 0.885
H5 0.730 2.410 -0.885
H6 -0.802 2.547 0.000
N7 0.990 -0.319 0.000
N8 0.448 -1.557 0.000
N9 -0.828 -1.381 0.000
H10 1.991 -0.206 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.31782.50953.22223.22222.62652.14972.18751.36153.1383
C21.31781.48802.14542.14542.10821.34882.20062.14482.1469
C32.50951.48801.09471.09471.09042.52623.64123.59982.9114
H43.22222.14541.09471.77051.77482.88054.07444.19353.0357
H53.22222.14541.09471.77051.77482.88054.07444.19353.0357
H62.62652.10821.09041.77481.77483.37984.29033.92853.9215
N72.14971.34882.52622.88052.88053.37981.35152.10531.0074
N82.18752.20063.64124.07444.07444.29031.35151.28802.0507
N91.36152.14483.59984.19354.19353.92852.10531.28803.0539
H103.13832.14692.91143.03573.03573.92151.00742.05073.0539

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 126.881 N1 C2 N7 107.477
N1 N9 N8 111.251 C2 N1 N9 106.297
C2 C3 H4 111.285 C2 C3 H5 111.285
C2 C3 H6 108.612 C2 N7 N8 108.731
C2 N7 H10 130.939 C3 C2 N7 125.641
H4 C3 H5 108.101 H4 C3 H6 108.748
H5 C3 H6 108.748 N7 N8 N9 106.243
N8 N7 H10 120.330
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.260      
2 C 0.423      
3 C -0.494      
4 H 0.150      
5 H 0.150      
6 H 0.175      
7 N -0.248      
8 N -0.085      
9 N -0.098      
10 H 0.288      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.037 3.907 0.000 5.618
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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> 128.400
(<r2>)1/2 11.331