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/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-247.870147
Energy at 298.15K-247.878486
Nuclear repulsion energy224.937338
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/aug-cc-pVDZ
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 3420 3114 0.95      
2 A 3411 3106 6.53      
3 A 3397 3094 4.25      
4 A 3385 3083 3.25      
5 A 3278 2985 18.87      
6 A 3249 2959 29.07      
7 A 3178 2894 76.40      
8 A 1687 1536 0.24      
9 A 1668 1519 68.79      
10 A 1614 1470 7.11      
11 A 1589 1447 11.03      
12 A 1563 1423 24.18      
13 A 1529 1392 6.59      
14 A 1500 1366 0.00      
15 A 1419 1292 65.11      
16 A 1399 1274 0.28      
17 A 1232 1122 4.28      
18 A 1185 1079 39.72      
19 A 1185 1079 7.33      
20 A 1141 1039 6.42      
21 A 1124 1023 0.32      
22 A 1050 956 13.37      
23 A 971 884 0.00      
24 A 951 866 0.80      
25 A 950 865 4.65      
26 A 811 739 137.85      
27 A 797 725 0.10      
28 A 715 651 5.79      
29 A 669 609 0.01      
30 A 655 596 17.01      
31 A 383 349 0.61      
32 A 190 173 3.69      
33 A 89 81 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 25692.5 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 23395.6 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/aug-cc-pVDZ
ABC
0.29318 0.12004 0.08661

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.063 -0.000 0.030
H2 2.453 -0.881 -0.474
H3 2.453 0.882 -0.472
H4 2.411 -0.001 1.063
C5 -1.481 0.713 0.017
H6 -2.338 1.365 0.028
C7 -1.481 -0.713 0.017
H8 -2.338 -1.365 0.028
C9 -0.174 -1.108 -0.016
H10 0.253 -2.096 -0.026
C11 -0.174 1.108 -0.016
H12 0.253 2.096 -0.026
N13 0.620 0.000 -0.045

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 C9 H10 C11 H12 N13
C11.08721.08721.09073.61444.60693.61444.60692.49662.76932.49662.76941.4449
H21.08721.76311.77184.27275.31453.96784.84102.67642.55273.32683.72822.0788
H31.08721.76311.77183.96734.84044.27285.31473.32723.72892.67572.55142.0787
H41.09071.77181.77184.09255.04814.09205.04733.01183.19823.01283.20012.1061
C53.61444.27273.96734.09251.07641.42652.24762.24193.30101.36542.21772.2190
H64.60695.31454.84045.04811.07642.24762.72923.28594.32282.17912.69223.2577
C73.61443.96784.27284.09201.42652.24761.07641.36542.21772.24183.30102.2190
H84.60694.84105.31475.04732.24762.72921.07642.17912.69223.28594.32283.2577
C92.49662.67643.32723.01182.24193.28591.36542.17911.07582.21633.23211.3634
H102.76932.55273.72893.19823.30104.32282.21772.69221.07583.23214.19112.1275
C112.49663.32682.67573.01281.36542.17912.24183.28592.21633.23211.07581.3634
H122.76943.72822.55143.20012.21772.69223.30104.32283.23214.19111.07582.1275
N131.44492.07882.07872.10612.21903.25772.21903.25771.36342.12751.36342.1275

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 125.471 C1 N13 C11 125.474
H2 C1 H3 108.357 H2 C1 H4 108.880
H2 C1 N13 109.555 H3 C1 H4 108.878
H3 C1 N13 109.549 H4 C1 N13 111.560
C5 C7 H8 127.239 C5 C7 C9 106.812
C5 C11 H12 130.208 C5 C11 N13 108.817
H6 C5 C7 127.239 H6 C5 C11 125.946
C7 C5 C11 106.812 C7 C9 H10 130.208
C7 C9 N13 108.817 H8 C7 C9 125.946
C9 N13 C11 108.739 H10 C9 N13 120.974
H12 C11 N13 120.974
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.849      
2 H -0.178      
3 H -0.178      
4 H -0.055      
5 C 0.357      
6 H -0.336      
7 C 0.357      
8 H -0.336      
9 C 0.468      
10 H -0.445      
11 C 0.468      
12 H -0.445      
13 N -0.527      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.182 0.000 0.016 2.182
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.368 0.001 -0.123
y 0.001 -33.746 0.000
z -0.123 0.000 -41.001
Traceless
 xyz
x 5.006 0.001 -0.123
y 0.001 2.939 0.000
z -0.123 0.000 -7.944
Polar
3z2-r2-15.889
x2-y21.378
xy0.001
xz-0.123
yz0.000


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


<r2> (average value of r2) Å2
<r2> 142.599
(<r2>)1/2 11.941