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

using model chemistry: HF/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/aug-cc-pVDZ
 hartrees
Energy at 0K-295.847606
Energy at 298.15K-295.855304
Nuclear repulsion energy231.877893
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 HF/aug-cc-pVDZ
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 3905 3556 119.22      
2 A 3303 3008 4.10      
3 A 3189 2904 14.64      
4 A 1772 1614 63.95      
5 A 1617 1472 8.74      
6 A 1605 1461 14.35      
7 A 1550 1411 26.88      
8 A 1524 1388 5.90      
9 A 1444 1315 13.21      
10 A 1232 1122 20.63      
11 A 1203 1095 3.79      
12 A 1180 1074 25.10      
13 A 1119 1019 1.58      
14 A 1073 977 2.79      
15 A 730 665 4.98      
16 A 364 331 4.41      
17 A 3254 2963 13.15      
18 A 1582 1440 7.93      
19 A 1158 1054 1.32      
20 A 810 737 3.80      
21 A 766 697 7.85      
22 A 599 545 92.91      
23 A 300 273 0.00      
24 A 83 75 0.89      

Unscaled Zero Point Vibrational Energy (zpe) 17679.2 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 16098.6 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 HF/aug-cc-pVDZ
ABC
0.33958 0.12418 0.09250

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.126 -0.057 0.000
C2 0.000 0.585 0.000
C3 0.186 2.065 0.000
H4 0.736 2.385 0.885
H5 0.736 2.385 -0.885
H6 -0.791 2.538 0.000
N7 0.977 -0.326 0.000
N8 0.425 -1.537 0.000
N9 -0.814 -1.364 0.000
H10 1.966 -0.219 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.29652.49513.19563.19562.61642.12012.14351.34383.0962
C21.29651.49132.13572.13572.10641.33642.16422.11272.1243
C32.49511.49131.08961.08961.08522.51903.60963.57212.8961
H43.19562.13571.08961.76931.77122.86214.03184.15203.0129
H53.19562.13571.08961.76931.77122.86214.03184.15203.0129
H62.61642.10641.08521.77121.77123.36584.25193.90203.8990
N72.12011.33642.51902.86212.86213.36581.32992.06970.9948
N82.14352.16423.60964.03184.03184.25191.32991.25092.0270
N91.34382.11273.57214.15204.15203.90202.06971.25093.0062
H103.09622.12432.89613.01293.01293.89900.99482.02703.0062

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 126.877 N1 C2 N7 107.255
N1 N9 N8 111.353 C2 N1 N9 106.279
C2 C3 H4 110.731 C2 C3 H5 110.731
C2 C3 H6 108.652 C2 N7 N8 108.520
C2 N7 H10 130.795 C3 C2 N7 125.868
H4 C3 H5 108.573 H4 C3 H6 109.061
H5 C3 H6 109.061 N7 N8 N9 106.592
N8 N7 H10 120.685
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.537      
2 C 0.726      
3 C 0.479      
4 H 0.036      
5 H 0.036      
6 H -0.027      
7 N -0.229      
8 N -0.182      
9 N -0.257      
10 H -0.045      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.287 4.157 0.000 5.972
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.519 -0.348 0.000
y -0.348 -36.933 0.000
z 0.000 0.000 -35.091
Traceless
 xyz
x 1.493 -0.348 0.000
y -0.348 -2.128 0.000
z 0.000 0.000 0.635
Polar
3z2-r21.270
x2-y22.414
xy-0.348
xz0.000
yz0.000


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> 126.816
(<r2>)1/2 11.261