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

using model chemistry: HSEh1PBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-226.039688
Energy at 298.15K-226.045747
HF Energy-226.039688
Nuclear repulsion energy164.056398
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 HSEh1PBE/cc-pVTZ
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' 3698 3554 84.65      
2 A' 3289 3161 0.34      
3 A' 3270 3143 1.34      
4 A' 3256 3129 3.18      
5 A' 1585 1523 6.00      
6 A' 1502 1444 5.14      
7 A' 1445 1389 14.39      
8 A' 1404 1349 2.64      
9 A' 1295 1244 3.74      
10 A' 1206 1159 1.71      
11 A' 1159 1114 17.67      
12 A' 1065 1024 36.40      
13 A' 1061 1020 10.12      
14 A' 947 911 4.92      
15 A' 925 889 9.68      
16 A" 910 875 4.41      
17 A" 857 824 8.04      
18 A" 764 734 89.95      
19 A" 705 677 19.51      
20 A" 646 621 0.25      
21 A" 558 536 52.80      

Unscaled Zero Point Vibrational Energy (zpe) 15772.9 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 15159.3 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 HSEh1PBE/cc-pVTZ
ABC
0.32580 0.31869 0.16110

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.070 0.635 0.000
C2 1.082 0.298 0.000
H3 1.202 -1.854 0.000
C4 0.629 -0.982 0.000
H5 -1.429 -1.654 0.000
C6 -0.739 -0.869 0.000
N7 -1.098 0.391 0.000
H8 0.008 2.040 0.000
N9 0.000 1.059 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 C6 N7 H8 N9
H11.04412.63602.16544.18063.18603.17692.49522.1131
C21.04412.15541.35733.17972.16242.18132.04611.3227
H32.63602.15541.04362.63792.17603.21384.07273.1513
C42.16541.35731.04362.16471.37242.20603.08452.1355
H54.18063.17972.63792.16471.04462.07153.96293.0658
C63.18602.16242.17601.37241.04461.31063.00332.0650
N73.17692.18133.21382.20602.07151.31061.98491.2847
H82.49522.04614.07273.08453.96293.00331.98490.9807
N92.11311.32273.15132.13553.06582.06501.28470.9807

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 128.297 H1 C2 N9 126.051
C2 C4 H3 127.249 C2 C4 C6 104.782
C2 N9 N7 113.551 C2 N9 H8 124.662
H3 C4 C6 127.969 C4 C2 N9 105.652
C4 C6 H5 126.641 C4 C6 N7 110.589
H5 C6 N7 122.770 C6 N7 N9 105.426
N7 N9 H8 121.787
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.121      
2 C -0.098      
3 H 0.125      
4 C -0.203      
5 H 0.116      
6 C -0.098      
7 N -0.176      
8 H 0.166      
9 N 0.046      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.064 0.920 0.000 2.259
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.609 2.485 0.000
y 2.485 -22.075 0.000
z 0.000 0.000 -31.733
Traceless
 xyz
x -2.705 2.485 0.000
y 2.485 8.596 0.000
z 0.000 0.000 -5.891
Polar
3z2-r2-11.782
x2-y2-7.534
xy2.485
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.522 0.258 0.000
y 0.258 7.646 0.000
z 0.000 0.000 3.939


<r2> (average value of r2) Å2
<r2> 79.325
(<r2>)1/2 8.906