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

using model chemistry: HF/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/3-21G
 hartrees
Energy at 0K-246.461315
Energy at 298.15K-246.469739
Nuclear repulsion energy224.417920
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 HF/3-21G
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 3462 3135 1.70      
2 A 3449 3123 8.44      
3 A 3434 3110 3.72      
4 A 3423 3100 2.35      
5 A 3287 2977 15.52      
6 A 3264 2956 29.93      
7 A 3205 2902 48.30      
8 A 1693 1533 9.95      
9 A 1680 1521 0.12      
10 A 1670 1512 5.69      
11 A 1659 1502 32.48      
12 A 1592 1442 37.21      
13 A 1520 1377 6.31      
14 A 1470 1331 0.01      
15 A 1436 1301 0.01      
16 A 1406 1273 87.36      
17 A 1262 1143 5.75      
18 A 1215 1100 9.38      
19 A 1209 1095 43.83      
20 A 1143 1035 2.73      
21 A 1117 1012 0.14      
22 A 1071 970 0.00      
23 A 1066 966 21.72      
24 A 1035 937 0.23      
25 A 995 901 0.02      
26 A 869 787 0.07      
27 A 866 784 112.12      
28 A 712 645 10.37      
29 A 697 631 0.01      
30 A 697 631 33.63      
31 A 383 347 1.09      
32 A 223 202 7.52      
33 A 54 49 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 26132.9 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 23666.0 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 HF/3-21G
ABC
0.29131 0.11921 0.08596

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.078 -0.000 0.017
H2 2.453 -0.877 -0.492
H3 2.453 0.878 -0.491
H4 2.442 -0.000 1.037
C5 -1.482 0.715 0.010
H6 -2.338 1.350 0.016
C7 -1.482 -0.715 0.010
H8 -2.338 -1.350 0.016
C9 -0.182 -1.117 -0.009
H10 0.239 -2.096 -0.016
C11 -0.182 1.117 -0.009
H12 0.239 2.096 -0.016
N13 0.621 0.000 -0.024

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 C9 H10 C11 H12 N13
C11.08121.08121.08333.63054.61723.63054.61722.52082.78792.52082.78791.4574
H21.08121.75491.76264.27375.30723.96934.84022.68922.57083.33923.73672.0842
H31.08121.75491.76263.96924.84004.27375.30723.33933.73692.68902.57052.0841
H41.08331.76261.76264.11885.07094.11875.07073.03773.21753.03803.21802.1078
C53.63054.27373.96924.11881.06611.43002.23582.24603.29571.36042.20652.2210
H64.61725.30724.84005.07091.06612.23582.70093.27634.30312.16832.68273.2524
C73.63053.96934.27374.11871.43002.23581.06611.36042.20652.24603.29572.2210
H84.61724.84025.30725.07072.23582.70091.06612.16832.68263.27634.30313.2524
C92.52082.68923.33933.03772.24603.27631.36042.16831.06572.23353.23991.3755
H102.78792.57083.73693.21753.29574.30312.20652.68261.06573.23994.19122.1301
C112.52083.33922.68903.03801.36042.16832.24603.27632.23353.23991.06571.3755
H122.78793.73672.57053.21802.20652.68273.29574.30313.23994.19121.06572.1301
N131.45742.08422.08412.10782.22103.25242.22103.25241.37552.13011.37552.1301

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 125.675 C1 N13 C11 125.675
H2 C1 H3 108.497 H2 C1 H4 109.042
H2 C1 N13 109.473 H3 C1 H4 109.042
H3 C1 N13 109.472 H4 C1 N13 111.266
C5 C7 H8 126.590 C5 C7 C9 107.178
C5 C11 H12 130.470 C5 C11 N13 108.542
H6 C5 C7 126.590 H6 C5 C11 126.231
C7 C5 C11 107.178 C7 C9 H10 130.470
C7 C9 N13 108.542 H8 C7 C9 126.231
C9 N13 C11 108.561 H10 C9 N13 120.988
H12 C11 N13 120.988
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.322 -0.164   -0.322
2 H 0.223 0.095   0.129
3 H 0.223 0.095   0.129
4 H 0.223 0.092   0.132
5 C -0.332 -0.215   -0.242
6 H 0.225 0.157   0.193
7 C -0.332 -0.215   -0.242
8 H 0.225 0.157   0.193
9 C 0.124 -0.220   -0.326
10 H 0.244 0.182   0.222
11 C 0.124 -0.220   -0.326
12 H 0.244 0.182   0.222
13 N -0.869 0.074   0.236


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.284 0.000 0.001 2.284
CHELPG 2.234 0.000 -0.016 2.234
AIM        
ESP 2.255 0.000 -0.007 2.255


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.313 0.000 -0.111
y 0.000 -32.696 0.000
z -0.111 0.000 -40.894
Traceless
 xyz
x 5.482 0.000 -0.111
y 0.000 3.408 0.000
z -0.111 0.000 -8.889
Polar
3z2-r2-17.778
x2-y21.383
xy0.000
xz-0.111
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.401 -0.000 0.008
y -0.000 7.914 0.000
z 0.008 0.000 3.191


<r2> (average value of r2) Å2
<r2> 142.858
(<r2>)1/2 11.952