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: HF/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-247.923655
Energy at 298.15K-247.932010
Nuclear repulsion energy225.946325
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/6-311+G(3df,2p)
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 3405 3094 1.19      
2 A 3396 3085 7.30      
3 A 3383 3074 4.09      
4 A 3372 3064 2.51      
5 A 3258 2960 18.54      
6 A 3229 2934 28.01      
7 A 3167 2878 73.62      
8 A 1689 1535 0.52      
9 A 1673 1520 61.17      
10 A 1634 1484 7.04      
11 A 1610 1463 12.00      
12 A 1582 1438 27.56      
13 A 1523 1384 7.22      
14 A 1499 1362 0.02      
15 A 1420 1290 69.25      
16 A 1418 1288 0.25      
17 A 1247 1133 4.26      
18 A 1196 1087 7.62      
19 A 1194 1085 40.72      
20 A 1147 1042 5.45      
21 A 1123 1020 0.05      
22 A 1057 960 13.68      
23 A 1004 912 0.00      
24 A 974 885 2.96      
25 A 954 867 0.86      
26 A 823 748 136.54      
27 A 809 735 0.10      
28 A 716 650 5.68      
29 A 674 612 0.01      
30 A 660 600 17.71      
31 A 382 347 0.60      
32 A 194 176 3.60      
33 A 83 75 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 25747.1 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 23393.8 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/6-311+G(3df,2p)
ABC
0.29597 0.12099 0.08732

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.056 -0.000 0.027
H2 2.444 -0.876 -0.474
H3 2.444 0.876 -0.473
H4 2.407 -0.000 1.052
C5 -1.474 0.711 0.016
H6 -2.326 1.356 0.026
C7 -1.474 -0.711 0.016
H8 -2.326 -1.356 0.026
C9 -0.175 -1.103 -0.014
H10 0.250 -2.084 -0.025
C11 -0.175 1.103 -0.014
H12 0.250 2.084 -0.025
N13 0.617 0.000 -0.041

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 C9 H10 C11 H12 N13
C11.08071.08071.08393.60084.58673.60084.58672.48922.75802.48922.75801.4405
H21.08071.75151.75964.25525.28973.95194.81982.66872.54463.31453.71122.0717
H31.08071.75151.75953.95184.81964.25525.28973.31463.71142.66852.54422.0717
H41.08391.75961.75954.07985.02944.07975.02923.00393.18673.00423.18732.0977
C53.60084.25523.95184.07981.06881.42142.23572.23133.28391.35732.20452.2092
H64.58675.28974.81965.02941.06882.23572.71283.26754.29802.16582.67703.2409
C73.60083.95194.25524.07971.42142.23571.06881.35732.20452.23133.28392.2092
H84.58674.81985.28975.02922.23572.71281.06882.16582.67703.26754.29803.2409
C92.48922.66873.31463.00392.23133.26751.35732.16581.06892.20663.21541.3584
H102.75802.54463.71143.18673.28394.29802.20452.67701.06893.21544.16782.1160
C112.48923.31452.66853.00421.35732.16582.23133.26752.20663.21541.06891.3584
H122.75803.71122.54423.18732.20452.67703.28394.29803.21544.16781.06892.1160
N131.44052.07172.07172.09772.20923.24092.20923.24091.35842.11601.35842.1160

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 125.557 C1 N13 C11 125.558
H2 C1 H3 108.267 H2 C1 H4 108.756
H2 C1 N13 109.689 H3 C1 H4 108.755
H3 C1 N13 109.687 H4 C1 N13 111.616
C5 C7 H8 127.168 C5 C7 C9 106.811
C5 C11 H12 130.256 C5 C11 N13 108.877
H6 C5 C7 127.168 H6 C5 C11 126.018
C7 C5 C11 106.811 C7 C9 H10 130.256
C7 C9 N13 108.877 H8 C7 C9 126.017
C9 N13 C11 108.620 H10 C9 N13 120.865
H12 C11 N13 120.865
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.096      
2 H 0.124      
3 H 0.124      
4 H 0.127      
5 C -0.117      
6 H 0.143      
7 C -0.117      
8 H 0.143      
9 C 0.115      
10 H 0.140      
11 C 0.115      
12 H 0.140      
13 N -1.033      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.173 0.000 0.011 2.173
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.236 0.000 -0.118
y 0.000 -33.657 0.000
z -0.118 0.000 -40.759
Traceless
 xyz
x 4.972 0.000 -0.118
y 0.000 2.840 0.000
z -0.118 0.000 -7.812
Polar
3z2-r2-15.625
x2-y21.421
xy0.000
xz-0.118
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.400 0.000 0.023
y 0.000 9.916 0.000
z 0.023 0.000 6.961


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000