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

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-225.405598
Energy at 298.15K-225.411712
HF Energy-224.792878
Nuclear repulsion energy 
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 CID/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' 3815 3524 98.50      
2 A' 3406 3146 0.37      
3 A' 3387 3128 2.80      
4 A' 3374 3117 4.69      
5 A' 1681 1553 8.10      
6 A' 1593 1471 9.63      
7 A' 1522 1405 23.06      
8 A' 1487 1373 4.20      
9 A' 1365 1261 3.26      
10 A' 1261 1165 2.80      
11 A' 1213 1121 21.69      
12 A' 1122 1037 36.22      
13 A' 1117 1032 9.33      
14 A' 984 909 5.31      
15 A' 964 890 10.15      
16 A" 932 861 8.23      
17 A" 890 822 3.25      
18 A" 802 741 93.37      
19 A" 725 669 27.09      
20 A" 661 610 0.01      
21 A" 547 505 73.48      

Unscaled Zero Point Vibrational Energy (zpe) 16423.3 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 15170.2 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 CID/6-31G*
ABC
0.32625 0.31871 0.16122

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.091 0.727 0.000
C2 1.103 0.304 0.000
H3 1.258 -1.886 0.000
C4 0.662 -0.993 0.000
H5 -1.475 -1.671 0.000
C6 -0.742 -0.883 0.000
N7 -1.137 0.376 0.000
H8 -0.050 2.080 0.000
N9 0.000 1.079 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 C6 N7 H8 N9
H11.07492.74232.23594.29723.25883.24742.53272.1208
C21.07492.19571.36973.24752.19412.24112.11671.3478
H32.74232.19571.07422.74112.23773.29424.17573.2208
C42.23591.36971.07422.24161.40822.26003.15342.1746
H54.29723.24752.74112.24161.07602.07474.01253.1207
C63.25882.19412.23771.40821.07601.31923.04252.0977
N73.24742.24113.29422.26002.07471.31922.02131.3370
H82.53272.11674.17573.15344.01253.04252.02131.0019
N92.12081.34783.22082.17463.12072.09771.33701.0019

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 131.928 H1 C2 N9 121.773
C2 C4 H3 127.489 C2 C4 C6 104.330
C2 N9 N7 113.174 C2 N9 H8 127.932
H3 C4 C6 128.181 C4 C2 N9 106.298
C4 C6 H5 128.433 C4 C6 N7 111.875
H5 C6 N7 119.692 C6 N7 N9 104.323
N7 N9 H8 118.893
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability