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All results from a given calculation for C3H4N2 (1H-Pyrazole)

using model chemistry: M06-2X/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/6-31G*
 hartrees
Energy at 0K-226.102155
Energy at 298.15K-226.108176
HF Energy-226.102155
Nuclear repulsion energy163.506639
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 M06-2X/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' 3690 3495 89.17      
2 A' 3328 3151 0.15      
3 A' 3287 3113 0.32      
4 A' 3274 3101 3.59      
5 A' 1617 1531 7.56      
6 A' 1530 1449 7.27      
7 A' 1468 1390 17.40      
8 A' 1428 1352 2.45      
9 A' 1308 1239 4.90      
10 A' 1221 1157 3.72      
11 A' 1172 1110 17.55      
12 A' 1079 1022 33.76      
13 A' 1073 1016 9.67      
14 A' 949 898 4.88      
15 A' 925 876 9.33      
16 A" 908 860 0.35      
17 A" 856 811 14.98      
18 A" 769 729 74.32      
19 A" 706 669 23.67      
20 A" 644 610 0.18      
21 A" 543 514 70.78      

Unscaled Zero Point Vibrational Energy (zpe) 15887.0 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 15045.0 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 M06-2X/6-31G*
ABC
0.32405 0.31613 0.16002

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.070 0.633 0.000
C2 1.082 0.298 0.000
H3 1.202 -1.854 0.000
C4 0.630 -0.982 0.000
H5 -1.427 -1.656 0.000
C6 -0.739 -0.871 0.000
N7 -1.098 0.391 0.000
H8 0.008 2.043 0.000
N9 0.000 1.062 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 C6 N7 H8 N9
H11.04322.63462.16454.17993.18673.17722.49752.1138
C21.04322.15601.35833.18062.16452.18182.04841.3240
H32.63462.15601.04282.63622.17593.21384.07573.1538
C42.16451.35831.04282.16431.37352.20683.08842.1388
H54.17993.18062.63622.16431.04382.07343.96793.0698
C63.18672.16452.17591.37351.04381.31183.00832.0693
N73.17722.18183.21382.20682.07341.31181.98821.2867
H82.49752.04844.07573.08843.96793.00831.98820.9813
N92.11381.32403.15382.13883.06982.06931.28670.9813

picture of 1H-Pyrazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 128.171 H1 C2 N9 126.081
C2 C4 H3 127.275 C2 C4 C6 104.802
C2 N9 N7 113.376 C2 N9 H8 124.716
H3 C4 C6 127.923 C4 C2 N9 105.747
C4 C6 H5 126.560 C4 C6 N7 110.513
H5 C6 N7 122.927 C6 N7 N9 105.562
N7 N9 H8 121.908
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.192      
2 C 0.057      
3 H 0.172      
4 C -0.272      
5 H 0.174      
6 C 0.019      
7 N -0.280      
8 H 0.373      
9 N -0.435      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.123 0.936 0.000 2.320
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.197 2.472 0.000
y 2.472 -21.685 0.000
z 0.000 0.000 -31.518
Traceless
 xyz
x -2.595 2.472 0.000
y 2.472 8.672 0.000
z 0.000 0.000 -6.077
Polar
3z2-r2-12.154
x2-y2-7.512
xy2.472
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.728 0.281 0.000
y 0.281 7.021 0.000
z 0.000 0.000 2.528


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