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

using model chemistry: B1B95/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/CEP-31G*
 hartrees
Energy at 0K-53.209446
Energy at 298.15K-53.216778
Nuclear repulsion energy120.863293
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/CEP-31G*
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 3300 3158 0.15      
2 A 3207 3069 7.50      
3 A 3186 3049 14.44      
4 A 3099 2966 28.13      
5 A 1552 1485 39.19      
6 A 1510 1445 12.67      
7 A 1474 1411 10.03      
8 A 1463 1400 1.79      
9 A 1446 1384 3.32      
10 A 1362 1303 8.81      
11 A 1299 1243 6.98      
12 A 1219 1167 17.08      
13 A 1138 1089 29.51      
14 A 1134 1085 3.33      
15 A 1083 1037 8.54      
16 A 1057 1012 0.39      
17 A 987 945 4.77      
18 A 851 815 21.98      
19 A 723 692 1.08      
20 A 695 665 8.19      
21 A 654 626 7.17      
22 A 338 324 1.57      
23 A 224 214 0.04      
24 A 15 15 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 16506.6 cm-1
Scaled (by 0.9572) Zero Point Vibrational Energy (zpe) 15800.1 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 B1B95/CEP-31G*
ABC
0.32619 0.12562 0.09231

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.281 1.075 -0.004
N2 -0.573 0.027 -0.016
N3 0.162 -1.107 -0.005
N4 1.413 -0.737 0.005
N5 1.525 0.616 0.008
H6 -0.023 2.119 -0.008
C7 -2.029 -0.014 0.009
H8 -2.422 0.955 -0.326
H9 -2.374 -0.806 -0.669
H10 -2.388 -0.225 1.028

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 C7 H8 H9 H10
C11.35172.18462.13611.32571.08802.55412.72513.32073.1435
N21.35171.35142.12792.17952.16271.45672.09192.08892.1091
N32.18461.35141.30412.19713.23102.44823.32132.63832.8895
N42.13612.12791.30411.35823.19703.51674.20463.84653.9694
N51.32572.17952.19711.35822.15803.60973.97584.20504.1310
H61.08802.16273.23103.19702.15802.92802.68493.80973.4873
C72.55411.45672.44823.51673.60972.92801.09851.09791.1004
H82.72512.09193.32134.20463.97582.68491.09851.79461.7961
H93.32072.08892.63833.84654.20503.80971.09791.79461.7935
H103.14352.10912.88953.96944.13103.48731.10041.79611.7935

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 107.840 C1 N2 C7 130.822
C1 N5 N4 105.469 N2 C1 N5 108.982
N2 C1 H6 124.521 N2 N3 N4 106.495
N2 C7 H8 109.102 N2 C7 H9 108.900
N2 C7 H10 110.356 N3 N2 C7 121.298
N3 N4 N5 111.214 N5 C1 H6 126.496
H8 C7 H9 109.589 H8 C7 H10 109.535
H9 C7 H10 109.344
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.666      
2 N 0.343      
3 N -0.054      
4 N -0.124      
5 N 0.128      
6 H 0.274      
7 C -0.534      
8 H 0.201      
9 H 0.225      
10 H 0.205      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -5.606 2.575 -0.018 6.170
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.758 -0.469 0.005
y -0.469 -34.775 -0.010
z 0.005 -0.010 -33.721
Traceless
 xyz
x -1.510 -0.469 0.005
y -0.469 -0.036 -0.010
z 0.005 -0.010 1.546
Polar
3z2-r23.092
x2-y2-0.983
xy-0.469
xz0.005
yz-0.010


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.055 0.013 -0.047
y 0.013 6.964 -0.008
z -0.047 -0.008 3.918


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000