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: B3LYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/cc-pVDZ
 hartrees
Energy at 0K-297.586166
Energy at 298.15K-297.593619
Nuclear repulsion energy230.085962
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 B3LYP/cc-pVDZ
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 3271 3172 0.89      
2 A 3162 3068 2.31      
3 A 3138 3044 6.45      
4 A 3056 2964 21.82      
5 A 1527 1481 29.43      
6 A 1493 1449 11.78      
7 A 1453 1410 11.23      
8 A 1443 1399 2.04      
9 A 1429 1386 7.21      
10 A 1332 1292 5.28      
11 A 1251 1213 3.51      
12 A 1192 1156 14.10      
13 A 1134 1100 2.92      
14 A 1120 1087 34.44      
15 A 1054 1022 6.62      
16 A 1030 999 6.93      
17 A 981 952 8.61      
18 A 850 825 12.60      
19 A 733 711 1.05      
20 A 694 673 7.80      
21 A 661 641 5.89      
22 A 352 341 1.49      
23 A 221 215 0.04      
24 A 62 60 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 16317.6 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 15828.1 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 B3LYP/cc-pVDZ
ABC
0.32658 0.12630 0.09271

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.284 1.074 -0.003
N2 -0.572 0.029 -0.014
N3 0.164 -1.104 -0.006
N4 1.405 -0.740 0.006
N5 1.521 0.616 0.007
H6 -0.020 2.117 -0.008
C7 -2.024 -0.014 0.009
H8 -2.418 0.951 -0.334
H9 -2.364 -0.810 -0.666
H10 -2.389 -0.220 1.026

Atom - Atom Distances (Å)
  C1 N2 N3 N4 N5 H6 C7 H8 H9 H10
C11.35052.18122.13191.31851.08652.55142.72533.31713.1430
N21.35051.35132.12102.17342.15931.45272.08852.08382.1085
N32.18121.35131.29332.19113.22622.44413.31662.62922.8918
N42.13192.12101.29331.36113.19233.50444.19413.82893.9625
N51.31852.17342.19111.36112.15073.60003.96784.19284.1259
H61.08652.15933.22623.19232.15072.92502.68623.80743.4846
C72.55141.45272.44413.50443.60002.92501.09781.09761.1004
H82.72532.08853.31664.19413.96782.68621.09781.79371.7952
H93.31712.08382.62923.82894.19283.80741.09761.79371.7918
H103.14302.10852.89183.96254.12593.48461.10041.79521.7918

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 107.675 C1 N2 C7 131.028
C1 N5 N4 105.414 N2 C1 N5 109.035
N2 C1 H6 124.402 N2 N3 N4 106.628
N2 C7 H8 109.150 N2 C7 H9 108.787
N2 C7 H10 110.598 N3 N2 C7 121.265
N3 N4 N5 111.248 N5 C1 H6 126.563
H8 C7 H9 109.568 H8 C7 H10 109.507
H9 C7 H10 109.213
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.197      
2 N -0.153      
3 N -0.082      
4 N -0.091      
5 N -0.180      
6 H 0.039      
7 C 0.095      
8 H 0.046      
9 H 0.066      
10 H 0.064      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -5.199 2.357 -0.014 5.709
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.736 -0.387 0.002
y -0.387 -34.891 -0.011
z 0.002 -0.011 -33.892
Traceless
 xyz
x -1.345 -0.387 0.002
y -0.387 -0.076 -0.011
z 0.002 -0.011 1.421
Polar
3z2-r22.843
x2-y2-0.846
xy-0.387
xz0.002
yz-0.011


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.065 -0.003 0.000
y -0.003 6.887 -0.001
z 0.000 -0.001 3.841


<r2> (average value of r2) Å2
<r2> 126.086
(<r2>)1/2 11.229