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

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-225.587381
Energy at 298.15K-225.593344
HF Energy-224.809586
Nuclear repulsion energy163.137610
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 MP3=FULL/6-31+G**
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' 3804 3544 101.39      
2 A' 3382 3151 0.19      
3 A' 3364 3134 1.71      
4 A' 3353 3123 2.50      
5 A' 1627 1516 6.48      
6 A' 1551 1445 10.31      
7 A' 1489 1387 18.93      
8 A' 1440 1341 5.91      
9 A' 1327 1236 1.64      
10 A' 1223 1139 1.47      
11 A' 1179 1099 21.45      
12 A' 1092 1017 21.88      
13 A' 1088 1013 20.98      
14 A' 957 892 3.38      
15 A' 938 874 7.53      
16 A" 861 803 23.32      
17 A" 814 758 1.61      
18 A" 751 700 112.00      
19 A" 687 640 23.24      
20 A" 614 572 0.07      
21 A" 497 463 57.24      

Unscaled Zero Point Vibrational Energy (zpe) 16018.4 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 14922.7 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 MP3=FULL/6-31+G**
ABC
0.32207 0.31489 0.15922

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.100 0.726 0.000
C2 1.111 0.306 0.000
H3 1.262 -1.894 0.000
C4 0.666 -1.001 0.000
H5 -1.479 -1.680 0.000
C6 -0.749 -0.890 0.000
N7 -1.143 0.378 0.000
H8 -0.047 2.090 0.000
N9 0.000 1.089 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 C6 N7 H8 N9
H11.07462.75042.24394.31243.27553.26102.54332.1309
C21.07462.20491.38003.26362.21132.25442.12661.3588
H32.75042.20491.07342.74932.24743.30804.19313.2385
C42.24391.38001.07342.25061.41992.27463.17172.1932
H54.31243.26362.74932.25061.07532.08544.03273.1391
C63.27552.21132.24741.41991.07531.32813.06182.1163
N73.26102.25443.30802.27462.08541.32812.03241.3456
H82.54332.12664.19313.17174.03273.06182.03241.0021
N92.13091.35883.23852.19323.13912.11631.34561.0021

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 131.779 H1 C2 N9 121.814
C2 C4 H3 127.537 C2 C4 C6 104.322
C2 N9 N7 112.939 C2 N9 H8 127.866
H3 C4 C6 128.141 C4 C2 N9 106.406
C4 C6 H5 128.301 C4 C6 N7 111.686
H5 C6 N7 120.013 C6 N7 N9 104.647
N7 N9 H8 119.195
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability