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

using model chemistry: PBE1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-297.247243
Energy at 298.15K-297.254704
HF Energy-297.247243
Nuclear repulsion energy229.694539
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 PBE1PBE/6-31G*
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 3693 3509 78.39      
2 A 3200 3041 0.62      
3 A 3086 2933 9.59      
4 A 1632 1551 47.44      
5 A 1529 1453 0.04      
6 A 1453 1380 27.84      
7 A 1445 1374 4.49      
8 A 1401 1331 2.71      
9 A 1317 1252 19.90      
10 A 1159 1102 6.93      
11 A 1120 1064 9.43      
12 A 1100 1046 22.99      
13 A 1042 990 1.18      
14 A 1007 957 0.50      
15 A 701 666 3.29      
16 A 338 321 4.20      
17 A 3155 2998 5.94      
18 A 1510 1435 11.65      
19 A 1079 1026 3.00      
20 A 751 713 6.27      
21 A 715 679 18.76      
22 A 596 566 78.57      
23 A 273 259 0.06      
24 A 86 82 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 16693.3 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 15863.7 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 PBE1PBE/6-31G*
ABC
0.33056 0.12292 0.09114

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.140 -0.063 0.000
C2 0.000 0.596 0.000
C3 0.174 2.070 0.000
H4 0.719 2.410 0.887
H5 0.719 2.410 -0.887
H6 -0.813 2.535 0.000
N7 0.987 -0.319 0.000
N8 0.452 -1.549 0.000
N9 -0.821 -1.375 0.000
H10 1.989 -0.205 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 N7 N8 N9 H10
N11.31672.50463.21803.21802.61832.14162.17791.35053.1322
C21.31671.48352.14292.14292.10231.34562.19272.13582.1444
C32.50461.48351.09521.09521.09132.52293.62953.58572.9099
H43.21802.14291.09521.77371.77492.88154.06594.18163.0388
H53.21802.14291.09521.77371.77492.88154.06594.18163.0388
H62.61832.10231.09131.77491.77493.37394.27573.91033.9191
N72.14161.34562.52292.88152.88153.37391.34152.09391.0092
N82.17792.19273.62954.06594.06594.27571.34151.28532.0423
N91.35052.13583.58574.18164.18163.91032.09391.28533.0446
H103.13222.14442.90993.03883.03883.91911.00922.04233.0446

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 126.771 N1 C2 N7 107.108
N1 N9 N8 111.417 C2 N1 N9 106.405
C2 C3 H4 111.517 C2 C3 H5 111.517
C2 C3 H6 108.514 C2 N7 N8 109.371
C2 N7 H10 130.653 C3 C2 N7 126.120
H4 C3 H5 108.138 H4 C3 H6 108.535
H5 C3 H6 108.535 N7 N8 N9 105.699
N8 N7 H10 119.976
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.365      
2 C 0.558      
3 C -0.602      
4 H 0.210      
5 H 0.210      
6 H 0.238      
7 N -0.507      
8 N -0.036      
9 N -0.088      
10 H 0.383      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.187 4.027 0.000 5.809
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.399 -0.401 0.000
y -0.401 -36.314 0.000
z 0.000 0.000 -34.177
Traceless
 xyz
x 1.847 -0.401 0.000
y -0.401 -2.526 0.000
z 0.000 0.000 0.679
Polar
3z2-r21.358
x2-y22.916
xy-0.401
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.617 0.274 0.000
y 0.274 7.936 0.000
z 0.000 0.000 3.728


<r2> (average value of r2) Å2
<r2> 127.789
(<r2>)1/2 11.304