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

using model chemistry: mPW1PW91/6-31G(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 mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-297.516456
Energy at 298.15K-297.523923
Nuclear repulsion energy231.928883
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 mPW1PW91/6-31G(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 3309 3159 0.77      
2 A 3204 3059 0.10      
3 A 3166 3023 6.68      
4 A 3085 2945 21.25      
5 A 1556 1486 30.62      
6 A 1519 1450 12.31      
7 A 1490 1423 10.53      
8 A 1473 1406 0.38      
9 A 1447 1381 2.91      
10 A 1368 1306 5.55      
11 A 1300 1241 4.43      
12 A 1216 1161 16.24      
13 A 1156 1104 0.00      
14 A 1146 1094 31.58      
15 A 1096 1047 3.33      
16 A 1054 1006 11.71      
17 A 1010 964 10.96      
18 A 874 835 9.94      
19 A 750 716 1.57      
20 A 711 679 8.20      
21 A 679 649 6.84      
22 A 358 341 2.37      
23 A 231 221 0.00      
24 A 30 29 0.62      

Unscaled Zero Point Vibrational Energy (zpe) 16613.7 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 15861.1 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 mPW1PW91/6-31G(2df,p)
ABC
0.33228 0.12823 0.09418

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.282 1.066 -0.000
N2 0.567 0.031 -0.000
N3 -0.162 -1.093 -0.000
N4 -1.394 -0.734 0.000
N5 -1.511 0.610 0.000
H6 0.020 2.101 -0.000
C7 2.009 -0.013 0.000
H8 2.407 0.474 0.892
H9 2.299 -1.062 -0.000
H10 2.407 0.475 -0.891

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 C7 H8 H9 H10
C11.33892.16302.11611.31111.07732.53232.89393.34532.8937
N21.33891.33982.10542.15702.14081.44262.09202.04812.0919
N32.16301.33981.28432.17263.19912.42473.13842.46123.1386
N42.11612.10541.28431.34833.16743.47904.08713.70844.0872
N51.31112.15702.17261.34832.13663.57454.02014.16064.0201
H61.07732.14083.19913.16742.13662.90253.02323.89843.0227
C72.53231.44262.42473.47903.57452.90251.09111.08831.0911
H82.89392.09203.13844.08714.02013.02321.09111.77941.7830
H93.34532.04812.46123.70844.16063.89841.08831.77941.7794
H102.89372.09193.13864.08724.02013.02271.09111.78301.7794

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 107.702 C1 N2 C7 131.089
C1 N5 N4 105.439 N2 C1 N5 108.962
N2 C1 H6 124.407 N2 N3 N4 106.683
N2 C7 H8 110.541 N2 C7 H9 107.210
N2 C7 H10 110.539 N3 N2 C7 121.209
N3 N4 N5 111.214 N5 C1 H6 126.631
H8 C7 H9 109.463 H8 C7 H10 109.584
H9 C7 H10 109.464
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.074      
2 N -0.012      
3 N -0.111      
4 N -0.090      
5 N -0.236      
6 H 0.188      
7 C -0.384      
8 H 0.183      
9 H 0.205      
10 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  5.223 2.396 0.000 5.747
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.376 0.281 0.000
y 0.281 -34.329 0.000
z 0.000 0.000 -33.751
Traceless
 xyz
x -1.336 0.281 0.000
y 0.281 0.234 0.000
z 0.000 0.000 1.101
Polar
3z2-r22.203
x2-y2-1.047
xy0.281
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.164 0.133 0.000
y 0.133 6.909 0.000
z 0.000 0.000 4.127


<r2> (average value of r2) Å2
<r2> 124.277
(<r2>)1/2 11.148