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All results from a given calculation for C4H5N (3H-pyrrole)

using model chemistry: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-208.908463
Energy at 298.15K-208.914566
HF Energy-208.908463
Nuclear repulsion energy157.611302
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 wB97X-D/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' 3323 3149 5.04      
2 A' 3294 3122 0.70      
3 A' 3258 3088 7.82      
4 A' 3105 2943 0.11      
5 A' 1633 1548 7.46      
6 A' 1572 1490 8.89      
7 A' 1461 1385 27.29      
8 A' 1367 1295 20.52      
9 A' 1313 1244 1.50      
10 A' 1275 1209 23.98      
11 A' 1168 1107 3.63      
12 A' 987 935 14.40      
13 A' 978 927 3.27      
14 A' 927 879 14.60      
15 A' 880 834 0.95      
16 A' 852 807 3.36      
17 A" 3151 2986 0.59      
18 A" 1182 1120 0.02      
19 A" 1015 962 0.64      
20 A" 969 919 20.39      
21 A" 815 772 1.04      
22 A" 731 692 55.28      
23 A" 563 534 13.39      
24 A" 357 338 7.21      

Unscaled Zero Point Vibrational Energy (zpe) 18087.1 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 17143.0 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 wB97X-D/3-21G*
ABC
0.29322 0.28255 0.14793

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.133 0.557 0.000
C2 0.000 1.181 0.000
C3 -1.189 0.237 0.000
C4 -0.475 -1.103 0.000
C5 0.847 -0.864 0.000
H6 -0.081 2.260 0.000
H7 -1.818 0.382 0.888
H8 -1.818 0.382 -0.888
H9 -0.967 -2.062 0.000
H10 1.662 -1.570 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10
N11.29312.34422.31121.45022.09133.08643.08643.35692.1923
C21.29311.51882.33282.21391.08242.17532.17533.38413.2142
C32.34421.51881.51792.31492.30741.09731.09732.30943.3757
C42.31122.33281.51791.34343.38622.18992.18991.07782.1878
C51.45022.21392.31491.34343.25963.07293.07292.17331.0782
H62.09131.08242.30743.38623.25962.70812.70814.41224.2084
H73.08642.17531.09732.18993.07292.70811.77522.73594.0877
H83.08642.17531.09732.18993.07292.70811.77522.73594.0877
H93.35693.38412.30941.07782.17334.41222.73592.73592.6745
H102.19233.21423.37572.18781.07824.20844.08774.08772.6745

picture of 3H-pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 112.710 N1 C2 H6 123.127
N1 C5 C4 111.590 N1 C5 H10 119.507
C2 N1 C5 107.469 C2 C3 C4 100.384
C2 C3 H7 111.487 C2 C3 H8 111.487
C3 C2 H6 124.162 C3 C4 C5 107.847
C3 C4 H9 124.797 C4 C3 H7 112.731
C4 C3 H8 112.731 C4 C5 H10 128.903
C5 C4 H9 127.356 H7 C3 H8 107.972
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.459      
2 C 0.060      
3 C -0.542      
4 C -0.244      
5 C -0.038      
6 H 0.237      
7 H 0.262      
8 H 0.262      
9 H 0.225      
10 H 0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.562 -0.561 0.000 2.623
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.160 -3.029 0.000
y -3.029 -26.191 0.000
z 0.000 0.000 -31.004
Traceless
 xyz
x -1.563 -3.029 0.000
y -3.029 4.391 0.000
z 0.000 0.000 -2.828
Polar
3z2-r2-5.657
x2-y2-3.970
xy-3.029
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.045 -0.327 0.000
y -0.327 6.786 0.000
z 0.000 0.000 3.008


<r2> (average value of r2) Å2
<r2> 87.898
(<r2>)1/2 9.375