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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: mPW1PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-210.135654
Energy at 298.15K-210.141763
HF Energy-210.135654
Nuclear repulsion energy161.032782
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 mPW1PW91/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 A1 3709 3555 71.48      
2 A1 3305 3167 0.09      
3 A1 3282 3146 2.77      
4 A1 1526 1462 9.25      
5 A1 1452 1392 2.22      
6 A1 1200 1150 3.73      
7 A1 1099 1053 8.96      
8 A1 1039 996 26.92      
9 A1 896 859 0.07      
10 A2 890 853 0.00      
11 A2 698 669 0.00      
12 A2 633 607 0.00      
13 B1 842 806 1.19      
14 B1 738 707 127.70      
15 B1 649 621 0.54      
16 B1 490 470 67.33      
17 B2 3298 3161 2.62      
18 B2 3271 3134 2.43      
19 B2 1597 1531 2.66      
20 B2 1497 1434 4.25      
21 B2 1301 1247 2.50      
22 B2 1165 1117 3.39      
23 B2 1069 1024 26.26      
24 B2 873 837 1.11      

Unscaled Zero Point Vibrational Energy (zpe) 18259.2 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 17497.8 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 mPW1PW91/cc-pVDZ
ABC
0.30637 0.30122 0.15189

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.118
H2 0.000 0.000 2.125
C3 0.000 1.121 0.333
C4 0.000 -1.121 0.333
C5 0.000 0.711 -0.982
C6 0.000 -0.711 -0.982
H7 0.000 2.114 0.771
H8 0.000 -2.114 0.771
H9 0.000 1.364 -1.850
H10 0.000 -1.364 -1.850

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00761.36781.36782.21702.21702.14192.14193.26603.2660
H21.00762.11352.11353.18793.18792.51042.51044.20274.2027
C31.36782.11352.24121.37792.25511.08513.26372.19683.3075
C41.36782.11352.24122.25511.37793.26371.08513.30752.1968
C52.21703.18791.37792.25511.42202.24513.32441.08592.2490
C62.21703.18792.25511.37791.42203.32442.24512.24901.0859
H72.14192.51041.08513.26372.24513.32444.22722.72584.3545
H82.14192.51043.26371.08513.32442.24514.22724.35452.7258
H93.26604.20272.19683.30751.08592.24902.72584.35452.7279
H103.26604.20273.30752.19682.24901.08594.35452.72582.7279

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.694 N1 C3 H7 121.237
N1 C4 C6 107.694 N1 C4 H8 121.237
H2 N1 C3 124.988 H2 N1 C4 124.988
C3 N1 C4 110.024 C3 C5 C6 107.295
C3 C5 H9 125.741 C4 C6 C5 107.295
C4 C6 H10 125.741 C5 C3 H7 131.070
C5 C6 H10 126.964 C6 C4 H8 131.070
C6 C5 H9 126.964
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.089      
2 H 0.099      
3 C 0.044      
4 C 0.044      
5 C -0.058      
6 C -0.058      
7 H 0.017      
8 H 0.017      
9 H -0.008      
10 H -0.008      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 2.009 2.009
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.250 0.000 0.000
y 0.000 -26.559 0.000
z 0.000 0.000 -23.247
Traceless
 xyz
x -8.347 0.000 0.000
y 0.000 1.690 0.000
z 0.000 0.000 6.657
Polar
3z2-r213.315
x2-y2-6.691
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.118 0.000 0.000
y 0.000 8.139 0.000
z 0.000 0.000 7.921


<r2> (average value of r2) Å2
<r2> 85.288
(<r2>)1/2 9.235