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

using model chemistry: wB97X-D/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 wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-226.139590
Energy at 298.15K-226.145641
HF Energy-226.139590
Nuclear repulsion energy163.339117
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 wB97X-D/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' 3730 3553 92.76      
2 A' 3317 3160 0.09      
3 A' 3302 3146 3.43      
4 A' 3289 3133 1.73      
5 A' 1600 1524 6.81      
6 A' 1519 1447 7.57      
7 A' 1459 1390 19.13      
8 A' 1418 1351 2.47      
9 A' 1308 1246 3.37      
10 A' 1208 1151 3.05      
11 A' 1168 1113 22.05      
12 A' 1074 1023 43.55      
13 A' 1062 1012 7.35      
14 A' 946 901 2.78      
15 A' 926 882 8.87      
16 A" 917 873 5.22      
17 A" 860 819 11.90      
18 A" 762 726 104.73      
19 A" 696 663 22.86      
20 A" 641 610 0.03      
21 A" 557 530 65.87      

Unscaled Zero Point Vibrational Energy (zpe) 15878.5 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 15125.9 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 wB97X-D/cc-pVDZ
ABC
0.32282 0.31600 0.15969

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.099 0.735 0.000
C2 1.108 0.308 0.000
H3 1.263 -1.893 0.000
C4 0.662 -0.997 0.000
H5 -1.481 -1.681 0.000
C6 -0.743 -0.892 0.000
N7 -1.142 0.377 0.000
H8 -0.050 2.090 0.000
N9 0.000 1.085 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 C6 N7 H8 N9
H11.07922.75792.25084.31923.27483.26072.54062.1280
C21.07922.20671.37943.26502.20592.25092.12481.3529
H32.75792.20671.07902.75242.24183.30744.19363.2344
C42.25081.37941.07902.24941.40862.26773.16772.1843
H54.31923.26502.75242.24941.08052.08614.03293.1371
C63.27482.20592.24181.40861.08051.33073.06102.1115
N73.26072.25093.30742.26772.08611.33072.03051.3431
H82.54062.12484.19363.16774.03293.06102.03051.0063
N92.12801.35293.23442.18433.13712.11151.34311.0063

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 132.172 H1 C2 N9 121.681
C2 C4 H3 127.264 C2 C4 C6 104.594
C2 N9 N7 113.215 C2 N9 H8 127.882
H3 C4 C6 128.142 C4 C2 N9 106.147
C4 C6 H5 128.824 C4 C6 N7 111.728
H5 C6 N7 119.448 C6 N7 N9 104.317
N7 N9 H8 118.904
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.178      
2 C -0.204      
3 H 0.167      
4 C -0.028      
5 H 0.163      
6 C -0.200      
7 N -0.202      
8 H 0.338      
9 N -0.213      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.298 0.838 0.000 2.446
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.001 2.768 0.000
y 2.768 -21.987 0.000
z 0.000 0.000 -32.374
Traceless
 xyz
x -2.821 2.768 0.000
y 2.768 9.201 0.000
z 0.000 0.000 -6.380
Polar
3z2-r2-12.759
x2-y2-8.015
xy2.768
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.963 0.337 0.000
y 0.337 7.243 0.000
z 0.000 0.000 2.872


<r2> (average value of r2) Å2
<r2> 80.054
(<r2>)1/2 8.947