return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H7N (1H-Pyrrole, 1-methyl-)

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-249.187823
Energy at 298.15K-249.195774
HF Energy-248.920003
Nuclear repulsion energy223.602191
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 B2PLYP/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 3304 3136 1.40      
2 A 3296 3129 8.34      
3 A 3284 3118 5.57      
4 A 3275 3108 1.92      
5 A 3185 3024 12.35      
6 A 3157 2996 21.81      
7 A 3084 2927 57.24      
8 A 1584 1503 1.63      
9 A 1571 1491 31.02      
10 A 1560 1481 5.46      
11 A 1538 1459 13.15      
12 A 1491 1415 19.65      
13 A 1455 1381 7.00      
14 A 1438 1365 0.04      
15 A 1341 1273 45.09      
16 A 1317 1250 0.27      
17 A 1170 1111 7.18      
18 A 1130 1073 23.21      
19 A 1129 1071 8.59      
20 A 1099 1044 1.44      
21 A 1083 1028 6.22      
22 A 995 944 7.29      
23 A 891 845 0.01      
24 A 835 793 0.10      
25 A 790 750 0.10      
26 A 726 689 91.61      
27 A 679 645 5.11      
28 A 659 626 0.04      
29 A 617 586 0.00      
30 A 613 582 5.46      
31 A 359 341 0.55      
32 A 184 175 3.69      
33 A 95 90 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 24466.9 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 23224.0 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 B2PLYP/6-31G*
ABC
0.28996 0.11863 0.08560

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.027 0.001 0.002
H2 -2.396 1.007 -0.198
H3 -2.408 -0.668 -0.773
H4 -2.414 -0.330 0.968
C5 1.463 -0.689 -0.000
H6 2.296 -1.316 0.002
C7 1.467 0.686 0.001
H8 2.301 1.310 0.004
C9 0.159 1.087 -0.001
H10 -0.197 2.065 -0.002
C11 0.155 -1.087 0.000
H12 -0.207 -2.064 -0.003
N13 -0.611 0.002 -0.002

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 C9 H10 C11 H12 N13
C11.08941.09251.09143.55794.51943.56084.52162.44152.75872.43922.75261.4166
H21.08941.77031.77374.22015.23943.88174.71132.56482.44903.30693.77582.0583
H31.09251.77031.77323.94714.81094.17695.16573.20403.59862.71012.71752.0668
H41.09141.77371.77324.01184.90764.12645.08393.09323.40502.84772.96902.0739
C53.55794.22013.94714.01181.04231.37592.16772.20323.21561.36662.16262.1858
H64.51945.23944.81094.90761.04232.16732.62583.21524.20032.15262.61213.1913
C73.56083.88174.17694.12641.37592.16731.04111.36732.16042.20593.21942.1877
H84.52164.71135.16575.08392.16772.62581.04112.15282.60903.21694.20343.1920
C92.44152.56483.20403.09322.20323.21521.36732.15281.04092.17413.17161.3308
H102.75872.44903.59863.40503.21564.20032.16042.60901.04093.17184.12842.1045
C112.43923.30692.71012.84771.36662.15262.20593.21692.17413.17181.04141.3315
H122.75263.77582.71752.96902.16262.61213.21944.20343.17164.12841.04142.1042
N131.41662.05832.06682.07392.18583.19132.18773.19201.33082.10451.33152.1042

picture of 1H-Pyrrole, 1-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N13 C9 125.379 C1 N13 C11 125.120
H2 C1 H3 108.457 H2 C1 H4 108.842
H2 C1 N13 109.753 H3 C1 H4 108.575
H3 C1 N13 110.253 H4 C1 N13 110.907
C5 C7 H8 126.949 C5 C7 C9 106.859
C5 C11 H12 127.299 C5 C11 N13 108.208
H6 C5 C7 126.784 H6 C5 C11 126.122
C7 C5 C11 107.093 C7 C9 H10 127.032
C7 C9 N13 108.339 H8 C7 C9 126.192
C9 N13 C11 109.499 H10 C9 N13 124.629
H12 C11 N13 124.492
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.303      
2 H 0.175      
3 H 0.175      
4 H 0.177      
5 C -0.222      
6 H 0.151      
7 C -0.222      
8 H 0.151      
9 C 0.021      
10 H 0.162      
11 C 0.021      
12 H 0.162      
13 N -0.449      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.271 0.000 -0.001
y 0.000 8.873 0.000
z -0.001 0.000 4.075


<r2> (average value of r2) Å2
<r2> 143.223
(<r2>)1/2 11.968