return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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-53.083589
Energy at 298.15K-53.090965
Nuclear repulsion energy118.769797
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 3341 3199 0.43      
2 A 3219 3082 5.08      
3 A 3190 3055 26.01      
4 A 3095 2964 33.16      
5 A 1508 1444 23.13      
6 A 1505 1441 30.14      
7 A 1505 1441 20.65      
8 A 1449 1388 6.90      
9 A 1407 1347 1.46      
10 A 1275 1221 4.04      
11 A 1220 1168 4.05      
12 A 1174 1124 26.72      
13 A 1161 1112 0.07      
14 A 1080 1034 13.91      
15 A 1036 992 2.76      
16 A 991 949 22.25      
17 A 938 898 9.14      
18 A 861 825 24.43      
19 A 699 670 1.45      
20 A 685 656 4.81      
21 A 655 627 11.73      
22 A 339 324 2.17      
23 A 241 230 0.17      
24 A 51 49 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 16312.9 cm-1
Scaled (by 0.9575) Zero Point Vibrational Energy (zpe) 15619.6 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
0.31114 0.12209 0.08919

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 -0.271 1.097 0.000
N2 0.589 0.031 -0.000
N3 -0.169 -1.139 -0.000
N4 -1.447 -0.752 0.000
N5 -1.542 0.646 0.000
H6 0.028 2.138 -0.000
C7 2.054 -0.017 0.000
H8 2.455 0.474 0.898
H9 2.348 -1.073 -0.000
H10 2.455 0.475 -0.898

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 C7 H8 H9 H10
C11.36962.23832.19111.34871.08292.57802.93733.40132.9371
N21.36961.39432.18112.21802.17981.46562.11802.07682.1180
N32.23831.39431.33452.25163.28252.49023.20882.51823.2091
N42.19112.18111.33451.40113.24443.57674.18743.80824.1876
N51.34872.21802.25161.40112.16613.65644.10064.25294.1006
H61.08292.17983.28253.24442.16612.95713.07643.96093.0760
C72.57801.46562.49023.57673.65642.95711.09951.09631.0995
H82.93732.11803.20884.18744.10063.07641.09951.79221.7959
H93.40132.07682.51823.80824.25293.96091.09631.79221.7922
H102.93712.11803.20914.18764.10063.07601.09951.79591.7922

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 108.152 C1 N2 C7 130.781
C1 N5 N4 105.637 N2 C1 N5 109.355
N2 C1 H6 125.045 N2 N3 N4 106.097
N2 C7 H8 110.508 N2 C7 H9 107.451
N2 C7 H10 110.507 N3 N2 C7 121.067
N3 N4 N5 110.759 N5 C1 H6 125.600
H8 C7 H9 109.412 H8 C7 H10 109.514
H9 C7 H10 109.414
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 -0.443      
2 N 0.050      
3 N -0.005      
4 N -0.136      
5 N 0.082      
6 H 0.280      
7 C -0.476      
8 H 0.203      
9 H 0.243      
10 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.150 2.846 0.000 6.776
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.592 0.490 0.000
y 0.490 -36.014 0.000
z 0.000 0.000 -34.297
Traceless
 xyz
x -2.437 0.490 0.000
y 0.490 -0.069 0.000
z 0.000 0.000 2.506
Polar
3z2-r25.012
x2-y2-1.578
xy0.490
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.026 0.143 0.000
y 0.143 6.967 0.000
z 0.000 0.000 3.724


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