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

using model chemistry: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-297.491054
Energy at 298.15K-297.498526
Nuclear repulsion energy230.146553
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 B1B95/6-31G(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 3690 3534 78.95      
2 A 3184 3049 0.76      
3 A 3068 2938 9.76      
4 A 1614 1546 47.83      
5 A 1503 1440 0.60      
6 A 1431 1371 25.56      
7 A 1416 1356 2.70      
8 A 1382 1324 2.15      
9 A 1298 1243 16.21      
10 A 1147 1098 5.42      
11 A 1104 1058 5.77      
12 A 1087 1041 28.18      
13 A 1032 988 0.99      
14 A 991 949 0.25      
15 A 695 666 3.37      
16 A 333 319 4.01      
17 A 3138 3005 5.72      
18 A 1478 1416 8.55      
19 A 1063 1018 2.36      
20 A 748 717 5.52      
21 A 713 683 13.69      
22 A 605 580 63.65      
23 A 275 264 0.10      
24 A 88 84 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 16541.1 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 15841.4 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 B1B95/6-31G(2df,p)
ABC
0.33163 0.12348 0.09152

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.138 -0.062 0.000
C2 0.000 0.594 0.000
C3 0.172 2.065 0.000
H4 0.717 2.403 0.884
H5 0.717 2.403 -0.884
H6 -0.812 2.528 0.000
N7 0.986 -0.317 0.000
N8 0.452 -1.545 0.000
N9 -0.820 -1.374 0.000
H10 1.985 -0.202 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.31372.49833.21003.21002.61102.13892.17391.34943.1257
C21.31371.48072.13772.13772.09781.34222.18672.13162.1382
C32.49831.48071.09231.09231.08832.51663.62103.57862.9018
H43.21002.13771.09231.76781.77122.87284.05544.17253.0288
H53.21002.13771.09231.76781.77122.87284.05544.17253.0288
H62.61102.09781.08831.77121.77123.36564.26523.90193.9083
N72.13891.34222.51662.87282.87283.36561.33982.09201.0055
N82.17392.18673.62104.05544.05544.26521.33981.28272.0387
N91.34942.13163.57864.17254.17253.90192.09201.28273.0393
H103.12572.13822.90183.02883.02883.90831.00552.03873.0393

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 126.667 N1 C2 N7 107.281
N1 N9 N8 111.343 C2 N1 N9 106.336
C2 C3 H4 111.473 C2 C3 H5 111.473
C2 C3 H6 108.519 C2 N7 N8 109.239
C2 N7 H10 130.684 C3 C2 N7 126.053
H4 C3 H5 108.042 H4 C3 H6 108.629
H5 C3 H6 108.629 N7 N8 N9 105.800
N8 N7 H10 120.076
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.275      
2 C 0.443      
3 C -0.515      
4 H 0.160      
5 H 0.160      
6 H 0.186      
7 N -0.281      
8 N -0.080      
9 N -0.098      
10 H 0.301      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.035 3.907 0.000 5.617
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.050 -0.366 0.000
y -0.366 -35.994 0.000
z 0.000 0.000 -33.801
Traceless
 xyz
x 1.848 -0.366 0.000
y -0.366 -2.568 0.000
z 0.000 0.000 0.721
Polar
3z2-r21.441
x2-y22.944
xy-0.366
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.814 0.265 0.000
y 0.265 8.283 0.000
z 0.000 0.000 4.132


<r2> (average value of r2) Å2
<r2> 127.116
(<r2>)1/2 11.275