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

using model chemistry: B3PW91/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 B3PW91/cc-pVDZ
 hartrees
Energy at 0K-297.486261
Energy at 298.15K-297.493884
Nuclear repulsion energy232.218266
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/cc-pVDZ
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 3295 3180 0.11      
2 A 3206 3094 0.06      
3 A 3169 3058 4.04      
4 A 3079 2971 17.54      
5 A 1518 1465 7.56      
6 A 1470 1419 13.70      
7 A 1448 1398 8.86      
8 A 1448 1397 11.88      
9 A 1418 1369 1.94      
10 A 1331 1284 15.69      
11 A 1323 1277 9.91      
12 A 1280 1235 11.23      
13 A 1163 1122 10.05      
14 A 1130 1091 0.26      
15 A 1062 1025 30.41      
16 A 1039 1002 14.91      
17 A 1032 996 1.26      
18 A 890 859 11.12      
19 A 731 705 12.36      
20 A 730 704 4.43      
21 A 699 674 7.26      
22 A 374 361 4.80      
23 A 236 227 4.49      
24 A 92 89 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 16580.5 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 16000.2 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/cc-pVDZ
ABC
0.32752 0.13166 0.09564

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.311 -1.202 -0.000
C2 1.409 -0.597 0.000
N3 0.185 -1.116 0.000
N4 1.405 0.754 -0.000
N5 0.147 1.106 0.000
N6 -0.553 -0.019 -0.000
H7 -2.365 -0.554 -0.895
H8 -2.334 1.009 -0.003
H9 -2.365 -0.548 0.898
C10 -1.999 -0.033 -0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.08642.12752.15553.16423.09864.80485.14464.80634.4655
C21.08641.32871.35122.12012.04483.87844.07293.87933.4537
N32.12751.32872.23282.22311.32282.76073.29632.76292.4379
N42.15551.35122.23281.30662.10464.08953.74784.08853.4938
N53.16422.12012.22311.30661.32483.14122.48283.13912.4298
N63.09862.04481.32282.10461.32482.09082.05672.09101.4463
H74.80483.87842.76074.08953.14122.09081.80001.79341.0981
H85.14464.07293.29633.74782.48282.05671.80001.79991.0954
H94.80633.87932.76294.08853.13912.09101.79341.79991.0982
C104.46553.45372.43793.49382.42981.44631.09811.09541.0982

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 123.194 H1 C2 N4 123.959
C2 N3 N6 100.921 C2 N4 N5 105.799
N3 C2 N4 112.846 N3 N6 N5 114.215
N3 N6 C10 123.323 N4 N5 N6 106.219
N5 N6 C10 122.462 N6 C10 H7 109.762
N6 C10 H8 107.229 N6 C10 H9 109.774
H7 C10 H8 110.288 H7 C10 H9 109.481
H8 C10 H9 110.279
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.055      
2 C 0.166      
3 N -0.184      
4 N -0.202      
5 N -0.057      
6 N -0.086      
7 H 0.080      
8 H 0.078      
9 H 0.080      
10 C 0.070      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.464 -1.413 -0.000 2.841
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.136 -3.885 0.001
y -3.885 -39.174 0.000
z 0.001 0.000 -33.804
Traceless
 xyz
x 8.353 -3.885 0.001
y -3.885 -8.204 0.000
z 0.001 0.000 -0.150
Polar
3z2-r2-0.299
x2-y211.038
xy-3.885
xz0.001
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> 123.352
(<r2>)1/2 11.106