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

using model chemistry: B97D3/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-311G**
 hartrees
Energy at 0K-226.113714
Energy at 298.15K-226.119613
HF Energy-226.113714
Nuclear repulsion energy162.356470
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 B97D3/6-311G**
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' 3614 3563 62.71      
2 A' 3218 3172 3.30      
3 A' 3199 3154 4.71      
4 A' 3183 3138 6.04      
5 A' 1523 1501 4.98      
6 A' 1443 1423 5.62      
7 A' 1392 1372 10.03      
8 A' 1340 1321 4.13      
9 A' 1245 1227 2.27      
10 A' 1155 1138 0.18      
11 A' 1119 1103 16.26      
12 A' 1034 1019 9.32      
13 A' 1019 1005 35.69      
14 A' 926 912 4.30      
15 A' 913 900 10.62      
16 A" 857 844 4.90      
17 A" 805 793 16.65      
18 A" 722 712 80.94      
19 A" 677 667 21.84      
20 A" 623 614 0.33      
21 A" 500 492 53.72      

Unscaled Zero Point Vibrational Energy (zpe) 15252.5 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 15034.4 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 B97D3/6-311G**
ABC
0.31961 0.31147 0.15774

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.115 0.731 0.000
C2 1.119 0.308 0.000
H3 1.268 -1.901 0.000
C4 0.665 -1.003 0.000
H5 -1.487 -1.686 0.000
C6 -0.747 -0.895 0.000
N7 -1.153 0.383 0.000
H8 -0.048 2.096 0.000
N9 0.000 1.088 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 C6 N7 H8 N9
H11.08202.76482.26014.33723.29093.28582.55732.1446
C21.08202.21411.38743.28102.21962.27272.13501.3641
H32.76482.21411.08162.76342.25263.32854.20833.2475
C42.26011.38741.08162.25781.41642.28633.18022.1949
H54.33723.28102.76342.25781.08352.09594.04653.1478
C63.29092.21962.25261.41641.08351.34043.07112.1190
N73.28582.27273.32852.28632.09591.34042.03831.3515
H82.55732.13504.20833.18024.04653.07112.03831.0086
N92.14461.36413.24752.19493.14782.11901.35151.0086

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 121.999
C2 C4 H3 127.020 C2 C4 C6 104.820
C2 N9 N7 113.528 C2 N9 H8 127.704
H3 C4 C6 128.161 C4 C2 N9 105.828
C4 C6 H5 128.743 C4 C6 N7 111.822
H5 C6 N7 119.435 C6 N7 N9 104.002
N7 N9 H8 118.767
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.102      
2 C 0.128      
3 H 0.092      
4 C -0.298      
5 H 0.096      
6 C 0.080      
7 N -0.212      
8 H 0.234      
9 N -0.221      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.031 0.928 0.000 2.233
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.558 2.458 0.000
y 2.458 -22.095 0.000
z 0.000 0.000 -31.631
Traceless
 xyz
x -2.695 2.458 0.000
y 2.458 8.500 0.000
z 0.000 0.000 -5.805
Polar
3z2-r2-11.610
x2-y2-7.463
xy2.458
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.452 0.286 0.000
y 0.286 7.549 0.000
z 0.000 0.000 3.321


<r2> (average value of r2) Å2
<r2> 80.560
(<r2>)1/2 8.976