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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-226.284612
Energy at 298.15K-226.290627
HF Energy-226.284612
Nuclear repulsion energy163.454054
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 B3LYPultrafine/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' 3664 3542 80.28      
2 A' 3269 3160 0.84      
3 A' 3250 3142 1.65      
4 A' 3235 3128 3.90      
5 A' 1567 1515 5.95      
6 A' 1479 1430 6.02      
7 A' 1422 1375 12.20      
8 A' 1385 1339 4.87      
9 A' 1281 1238 2.13      
10 A' 1177 1138 0.12      
11 A' 1143 1104 19.60      
12 A' 1056 1021 6.43      
13 A' 1045 1011 37.02      
14 A' 944 913 6.29      
15 A' 926 895 9.65      
16 A" 904 874 4.20      
17 A" 851 822 8.07      
18 A" 758 733 85.84      
19 A" 695 672 19.44      
20 A" 641 620 0.27      
21 A" 530 513 53.70      

Unscaled Zero Point Vibrational Energy (zpe) 15611.3 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 15091.4 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 B3LYPultrafine/cc-pVTZ
ABC
0.32320 0.31647 0.15990

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.099 0.724 0.000
C2 1.107 0.306 0.000
H3 1.261 -1.891 0.000
C4 0.664 -0.997 0.000
H5 -1.478 -1.680 0.000
C6 -0.748 -0.888 0.000
N7 -1.139 0.375 0.000
H8 -0.047 2.089 0.000
N9 0.000 1.086 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 C6 N7 H8 N9
H11.07652.74582.24074.30983.27103.25662.54292.1297
C21.07652.20171.37573.25972.20522.24722.12421.3545
H32.74582.20171.07502.74712.24513.30084.18923.2328
C42.24071.37571.07502.24831.41572.26573.16672.1860
H54.30983.25972.74712.24831.07792.08344.03203.1364
C63.27102.20522.24511.41571.07791.32223.05812.1104
N73.25662.24723.30082.26572.08341.32222.03231.3426
H82.54292.12424.18923.16674.03203.05812.03231.0042
N92.12971.35453.23282.18603.13642.11041.34261.0042

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 131.676 H1 C2 N9 121.931
C2 C4 H3 127.471 C2 C4 C6 104.365
C2 N9 N7 112.857 C2 N9 H8 127.850
H3 C4 C6 128.164 C4 C2 N9 106.393
C4 C6 H5 128.233 C4 C6 N7 111.647
H5 C6 N7 120.119 C6 N7 N9 104.737
N7 N9 H8 119.293
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.117      
2 C -0.094      
3 H 0.119      
4 C -0.176      
5 H 0.112      
6 C -0.101      
7 N -0.169      
8 H 0.164      
9 N 0.027      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.075 0.884 0.000 2.255
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.932 2.483 -0.003
y 2.483 -22.372 -0.033
z -0.003 -0.033 -31.826
Traceless
 xyz
x -2.833 2.483 -0.003
y 2.483 8.508 -0.033
z -0.003 -0.033 -5.674
Polar
3z2-r2-11.349
x2-y2-7.561
xy2.483
xz-0.003
yz-0.033


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.585 0.264 -0.000
y 0.264 7.729 -0.002
z -0.000 -0.002 3.938


<r2> (average value of r2) Å2
<r2> 79.901
(<r2>)1/2 8.939