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All results from a given calculation for C4H5N (2H-pyrrole)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-210.006856
Energy at 298.15K-210.012852
HF Energy-210.006856
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 3194 3131 14.60      
2 A' 3170 3108 12.12      
3 A' 3118 3057 36.92      
4 A' 2986 2927 10.25      
5 A' 1615 1584 7.24      
6 A' 1507 1477 10.46      
7 A' 1404 1377 13.57      
8 A' 1355 1329 13.76      
9 A' 1294 1268 0.14      
10 A' 1243 1219 0.31      
11 A' 1103 1082 5.60      
12 A' 997 978 13.54      
13 A' 957 938 19.76      
14 A' 917 899 3.84      
15 A' 845 829 8.26      
16 A' 821 805 5.74      
17 A" 3017 2958 8.33      
18 A" 1147 1124 0.23      
19 A" 964 945 11.02      
20 A" 908 890 3.91      
21 A" 876 859 2.43      
22 A" 683 670 30.34      
23 A" 540 530 2.76      
24 A" 352 346 17.77      

Unscaled Zero Point Vibrational Energy (zpe) 17506.7 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 17163.5 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 B97D3/6-31G*
ABC
0.30100 0.27750 0.14837

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.210 0.342 0.000
C2 0.000 1.175 0.000
C3 -1.181 0.242 0.000
C4 -0.686 -1.020 0.000
C5 0.780 -0.886 0.000
H6 0.017 1.838 0.882
H7 0.017 1.838 -0.882
H8 -2.224 0.550 0.000
H9 -1.241 -1.956 0.000
H10 1.481 -1.725 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10
N11.46912.39292.33391.30082.10722.10723.44083.35942.0842
C21.46911.50472.29892.20311.10391.10392.31053.36763.2559
C32.39291.50471.35532.26172.18192.18191.08812.19893.3098
C42.33392.29891.35531.47143.07223.07222.19791.08852.2788
C51.30082.20312.26171.47142.96292.96293.32952.28621.0936
H62.10721.10392.18193.07222.96291.76432.73184.09333.9516
H72.10721.10392.18193.07222.96291.76432.73184.09333.9516
H83.44082.31051.08812.19793.32952.73182.73182.69214.3481
H93.35943.36762.19891.08852.28624.09334.09332.69212.7316
H102.08423.25593.30982.27881.09363.95163.95164.34812.7316

picture of 2H-pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 112.295 N1 C2 H6 112.455
N1 C2 H7 112.455 N1 C5 C4 113.732
N1 C5 H10 118.256 C2 N1 C5 104.713
C2 C3 C4 101.397 C2 C3 H8 123.413
C3 C2 H6 106.941 C3 C2 H7 106.941
C3 C4 C5 107.863 C3 C4 H9 124.974
C4 C3 H8 135.190 C4 C5 H10 128.011
C5 C4 H9 127.162 H6 C2 H7 105.279
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.364      
2 C -0.209      
3 C -0.138      
4 C -0.134      
5 C 0.039      
6 H 0.186      
7 H 0.186      
8 H 0.148      
9 H 0.141      
10 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.061 -0.296 0.000 2.082
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.364 -2.214 0.000
y -2.214 -24.993 0.000
z 0.000 0.000 -30.232
Traceless
 xyz
x -3.751 -2.214 0.000
y -2.214 5.805 0.000
z 0.000 0.000 -2.054
Polar
3z2-r2-4.108
x2-y2-6.371
xy-2.214
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.154 -0.336 0.000
y -0.336 8.446 0.000
z 0.000 0.000 3.568


<r2> (average value of r2) Å2
<r2> 87.603
(<r2>)1/2 9.360