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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-226.198599
Energy at 298.15K-226.204544
Nuclear repulsion energy162.810643
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/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' 3666 3512 64.50      
2 A' 3291 3153 1.46      
3 A' 3274 3136 3.65      
4 A' 3259 3122 5.73      
5 A' 1585 1518 6.65      
6 A' 1499 1436 6.98      
7 A' 1442 1382 12.96      
8 A' 1397 1338 4.86      
9 A' 1291 1237 2.49      
10 A' 1186 1136 0.61      
11 A' 1156 1107 17.70      
12 A' 1067 1022 7.46      
13 A' 1055 1010 35.43      
14 A' 941 901 6.13      
15 A' 922 883 9.13      
16 A" 889 852 4.24      
17 A" 834 799 10.32      
18 A" 753 721 70.75      
19 A" 693 664 22.39      
20 A" 637 610 0.04      
21 A" 497 476 61.24      

Unscaled Zero Point Vibrational Energy (zpe) 15666.9 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 15008.9 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 B3LYPultrafine/6-31G*
ABC
0.32122 0.31352 0.15866

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.106 0.732 0.000
C2 1.113 0.307 0.000
H3 1.267 -1.897 0.000
C4 0.665 -1.000 0.000
H5 -1.479 -1.685 0.000
C6 -0.744 -0.892 0.000
N7 -1.150 0.378 0.000
H8 -0.051 2.095 0.000
N9 0.000 1.087 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 C6 N7 H8 N9
H11.08062.76012.25314.32493.28053.27562.55142.1362
C21.08062.20941.38133.26972.21022.26402.13311.3592
H32.76012.20941.08022.75442.24803.31924.20363.2419
C42.25311.38131.08022.25181.41342.27903.17632.1904
H54.32493.26972.75442.25181.08222.08994.04133.1427
C63.28052.21022.24801.41341.08221.33323.06592.1141
N73.27562.26403.31922.27902.08991.33322.03831.3509
H82.55142.13314.20363.17634.04133.06592.03831.0089
N92.13621.35923.24192.19043.14272.11411.35091.0089

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 132.078 H1 C2 N9 121.802
C2 C4 H3 127.259 C2 C4 C6 104.525
C2 N9 N7 113.317 C2 N9 H8 127.907
H3 C4 C6 128.217 C4 C2 N9 106.119
C4 C6 H5 128.431 C4 C6 N7 112.113
H5 C6 N7 119.456 C6 N7 N9 103.926
N7 N9 H8 118.776
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.157      
2 C 0.076      
3 H 0.136      
4 C -0.227      
5 H 0.141      
6 C 0.044      
7 N -0.278      
8 H 0.346      
9 N -0.394      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.102 0.900 0.000 2.286
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.296 2.413 0.000
y 2.413 -21.795 0.000
z 0.000 0.000 -31.212
Traceless
 xyz
x -2.793 2.413 0.000
y 2.413 8.459 0.000
z 0.000 0.000 -5.666
Polar
3z2-r2-11.332
x2-y2-7.501
xy2.413
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.842 0.282 0.000
y 0.282 7.088 0.000
z 0.000 0.000 2.526


<r2> (average value of r2) Å2
<r2> 80.006
(<r2>)1/2 8.945