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: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-249.241614
Energy at 298.15K-249.249462
Nuclear repulsion energy223.222703
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 PBEPBE/cc-pVTZ
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 3193 3171 1.02      
2 A 3185 3163 5.28      
3 A 3174 3152 3.66      
4 A 3164 3143 1.71      
5 A 3061 3040 10.24      
6 A 3028 3007 17.49      
7 A 2960 2940 61.47      
8 A 1509 1499 0.51      
9 A 1497 1486 30.29      
10 A 1463 1453 6.77      
11 A 1438 1428 10.33      
12 A 1399 1390 4.79      
13 A 1390 1380 7.88      
14 A 1366 1356 0.57      
15 A 1291 1282 32.70      
16 A 1249 1240 0.08      
17 A 1103 1095 4.98      
18 A 1076 1069 23.10      
19 A 1070 1063 11.15      
20 A 1061 1054 0.28      
21 A 1029 1022 7.45      
22 A 959 953 8.15      
23 A 860 854 0.00      
24 A 831 825 0.11      
25 A 776 770 0.20      
26 A 698 693 105.76      
27 A 660 655 5.67      
28 A 647 642 0.01      
29 A 608 604 0.00      
30 A 604 600 6.86      
31 A 347 345 0.55      
32 A 189 188 2.68      
33 A 77 76 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 23480.9 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 23318.8 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 PBEPBE/cc-pVTZ
ABC
0.28922 0.11829 0.08536

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.074 -0.000 0.024
H2 2.465 -0.889 -0.486
H3 2.465 0.890 -0.485
H4 2.438 -0.000 1.063
C5 -1.494 0.711 0.014
H6 -2.361 1.364 0.019
C7 -1.494 -0.711 0.014
H8 -2.361 -1.364 0.019
C9 -0.173 -1.121 -0.013
H10 0.267 -2.113 -0.021
C11 -0.173 1.121 -0.013
H12 0.267 2.113 -0.021
N13 0.625 0.000 -0.036

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 C9 H10 C11 H12 N13
C11.09711.09711.10093.63794.63953.63794.63952.51142.78062.51142.78061.4497
H21.09711.77881.78614.29895.34933.99404.87492.68992.55813.35013.74962.0919
H31.09711.77881.78613.99394.87484.29895.34943.35023.74982.68972.55782.0918
H41.10091.78611.78614.13125.09704.13115.09683.03853.21773.03873.21822.1201
C53.63794.29893.99394.13121.08521.42172.24842.25873.32791.38332.25102.2359
H64.63955.34934.87485.09701.08522.24842.72753.31084.35812.20132.73253.2832
C73.63793.99404.29894.13111.42172.24841.08521.38332.25102.25873.32792.2359
H84.63954.87495.34945.09682.24842.72751.08522.20132.73253.31084.35813.2832
C92.51142.68993.35023.03852.25873.31081.38332.20131.08502.24233.26391.3766
H102.78062.55813.74983.21773.32794.35812.25102.73251.08503.26394.22582.1432
C112.51143.35012.68973.03871.38332.20132.25873.31082.24233.26391.08501.3766
H122.78063.74962.55783.21822.25102.73253.32794.35813.26394.22581.08502.1432
N131.44972.09192.09182.12012.23593.28322.23593.28321.37662.14321.37662.1432

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 125.365 C1 N13 C11 125.365
H2 C1 H3 108.325 H2 C1 H4 108.700
H2 C1 N13 109.665 H3 C1 H4 108.700
H3 C1 N13 109.663 H4 C1 N13 111.716
C5 C7 H8 126.987 C5 C7 C9 107.253
C5 C11 H12 131.176 C5 C11 N13 108.214
H6 C5 C7 126.987 H6 C5 C11 125.754
C7 C5 C11 107.253 C7 C9 H10 131.176
C7 C9 N13 108.214 H8 C7 C9 125.754
C9 N13 C11 109.063 H10 C9 N13 120.610
H12 C11 N13 120.609
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.206      
2 H 0.100      
3 H 0.100      
4 H 0.105      
5 C -0.152      
6 H 0.092      
7 C -0.152      
8 H 0.092      
9 C -0.127      
10 H 0.086      
11 C -0.127      
12 H 0.086      
13 N 0.102      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.125 0.000 -0.003 2.125
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.094 0.000 -0.098
y 0.000 -33.671 0.000
z -0.098 0.000 -39.840
Traceless
 xyz
x 4.661 0.000 -0.098
y 0.000 2.296 0.000
z -0.098 0.000 -6.957
Polar
3z2-r2-13.914
x2-y21.577
xy0.000
xz-0.098
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.967 -0.000 0.049
y -0.000 10.275 0.000
z 0.049 0.000 5.988


<r2> (average value of r2) Å2
<r2> 144.050
(<r2>)1/2 12.002