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

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-297.475559
Energy at 298.15K-297.482996
Nuclear repulsion energy231.387006
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(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 3291 3164 0.49      
2 A 3185 3062 0.09      
3 A 3146 3025 7.22      
4 A 3067 2949 21.88      
5 A 1539 1480 28.52      
6 A 1508 1450 12.43      
7 A 1482 1425 10.29      
8 A 1460 1403 0.23      
9 A 1436 1381 3.27      
10 A 1349 1297 5.09      
11 A 1281 1231 4.00      
12 A 1204 1157 16.66      
13 A 1149 1104 0.00      
14 A 1134 1090 30.71      
15 A 1084 1042 2.12      
16 A 1041 1001 12.96      
17 A 998 960 11.61      
18 A 865 831 10.12      
19 A 743 714 1.61      
20 A 704 677 7.80      
21 A 673 647 6.57      
22 A 355 341 2.28      
23 A 229 220 0.00      
24 A 30 29 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 16475.7 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 15839.8 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(2df,p)
ABC
0.33062 0.12767 0.09375

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.282 1.068 -0.000
N2 0.569 0.031 -0.000
N3 -0.162 -1.097 -0.000
N4 -1.398 -0.735 0.000
N5 -1.514 0.612 0.000
H6 0.020 2.104 -0.000
C7 2.013 -0.013 0.000
H8 2.412 0.475 0.893
H9 2.305 -1.063 -0.000
H10 2.412 0.475 -0.893

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 C7 H8 H9 H10
C11.34152.16852.12101.31371.07872.53722.89923.35152.8991
N21.34151.34412.11102.16212.14421.44522.09552.05182.0955
N32.16851.34411.28782.17873.20592.43073.14562.46713.1457
N42.12102.11101.28781.35213.17373.48724.09623.71734.0962
N51.31372.16212.17871.35212.13993.58214.02824.16964.0282
H61.07872.14423.20593.17372.13992.90743.02803.90483.0279
C72.53721.44522.43073.48723.58212.90741.09271.08981.0927
H82.89922.09553.14564.09624.02823.02801.09271.78181.7854
H93.35152.05182.46713.71734.16963.90481.08981.78181.7818
H102.89912.09553.14574.09624.02823.02791.09271.78541.7818

picture of 1H-Tetrazole, 1-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 107.696 C1 N2 C7 131.095
C1 N5 N4 105.424 N2 C1 N5 109.028
N2 C1 H6 124.378 N2 N3 N4 106.637
N2 C7 H8 110.546 N2 C7 H9 107.242
N2 C7 H10 110.546 N3 N2 C7 121.209
N3 N4 N5 111.216 N5 C1 H6 126.595
H8 C7 H9 109.454 H8 C7 H10 109.559
H9 C7 H10 109.454
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.070      
2 N 0.001      
3 N -0.114      
4 N -0.091      
5 N -0.232      
6 H 0.186      
7 C -0.384      
8 H 0.180      
9 H 0.202      
10 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  5.215 2.386 0.000 5.735
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.391 0.282 0.000
y 0.282 -34.373 0.000
z 0.000 0.000 -33.751
Traceless
 xyz
x -1.329 0.282 0.000
y 0.282 0.197 0.000
z 0.000 0.000 1.132
Polar
3z2-r22.263
x2-y2-1.018
xy0.282
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.270 0.148 0.003
y 0.148 6.975 0.001
z 0.003 0.001 4.144


<r2> (average value of r2) Å2
<r2> 124.755
(<r2>)1/2 11.169