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All results from a given calculation for C4H9N (Pyrrolidine)

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-209.975079
Energy at 298.15K-209.986653
Nuclear repulsion energy189.719258
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/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 3756 3390 2.47      
2 A 3289 2969 60.05      
3 A 3275 2956 21.93      
4 A 3251 2935 49.68      
5 A 3234 2919 40.87      
6 A 3230 2916 28.20      
7 A 3223 2909 30.97      
8 A 3191 2880 64.33      
9 A 3139 2834 83.31      
10 A 1704 1538 1.18      
11 A 1691 1526 4.10      
12 A 1656 1495 3.22      
13 A 1644 1484 4.49      
14 A 1586 1432 7.06      
15 A 1523 1375 0.76      
16 A 1482 1338 1.29      
17 A 1478 1334 3.79      
18 A 1447 1306 24.49      
19 A 1380 1245 2.71      
20 A 1370 1237 3.44      
21 A 1315 1187 3.93      
22 A 1296 1170 3.01      
23 A 1245 1124 13.88      
24 A 1180 1065 17.81      
25 A 1114 1006 1.78      
26 A 1069 965 4.62      
27 A 977 882 3.30      
28 A 964 870 3.21      
29 A 943 851 2.17      
30 A 934 843 0.96      
31 A 907 819 0.70      
32 A 786 709 27.14      
33 A 624 563 2.10      
34 A 501 452 140.28      
35 A 276 249 1.17      
36 A 78 71 3.29      

Unscaled Zero Point Vibrational Energy (zpe) 30379.6 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 27420.6 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/3-21G*
ABC
0.22825 0.22463 0.12852

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.061 -1.220 -0.167
H2 0.162 -2.136 0.225
C3 1.248 -0.337 -0.067
C4 -1.166 -0.488 0.191
C5 0.659 1.077 0.198
C6 -0.817 0.947 -0.243
H7 1.915 -0.632 0.737
H8 -1.380 -0.506 1.260
H9 1.806 -0.357 -0.995
H10 -2.020 -0.884 -0.341
H11 1.191 1.849 -0.340
H12 -0.890 1.022 -1.320
H13 0.699 1.303 1.257
H14 -1.457 1.690 0.214

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
N11.00091.48341.47312.40142.33992.14482.14992.11542.11503.27532.69472.96673.3047
H21.00092.12182.11653.25063.26812.36572.47052.71192.57814.15403.66933.62984.1542
C31.48342.12182.43251.55432.43851.08522.94891.08233.32492.20352.82652.17793.3923
C41.47312.11652.43252.40311.53873.13161.08973.20211.08173.36082.15372.79612.1972
C52.40143.25061.55432.40311.54592.18772.79022.18973.36281.08142.16961.08372.2031
C62.33993.26812.43851.53871.54593.30402.16413.02452.19272.20361.08252.16241.0817
H72.14482.36571.08523.13162.18773.30403.33801.75674.08732.79963.85142.34304.1272
H82.14992.47052.94891.08972.79022.16413.33803.90541.76493.83553.03772.75532.4333
H92.11542.71191.08233.20212.18973.02451.75673.90543.91672.38203.04573.00844.0373
H102.11502.57813.32491.08173.36282.19274.08731.76493.91674.21622.42193.83772.6926
H113.27534.15402.20353.36081.08142.20362.79963.83552.38204.21622.44451.75832.7100
H122.69473.66932.82652.15372.16961.08253.85143.03773.04572.42192.44453.04101.7668
H132.96673.62982.17792.79611.08372.16242.34302.75533.00843.83771.75833.04102.4266
H143.30474.15423.39232.19722.20311.08174.12722.43334.03732.69262.71001.76682.4266

picture of Pyrrolidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 104.447 N1 C3 H7 112.303
N1 C3 H9 110.086 N1 C4 C6 101.929
N1 C4 H8 113.197 N1 C4 H10 110.822
H2 N1 C3 115.957 H2 N1 C4 116.321
C3 N1 C4 110.719 C3 C5 C6 103.729
C3 C5 H11 112.201 C3 C5 H13 110.019
C4 C6 C5 102.347 C4 C6 H12 109.257
C4 C6 H14 112.802 C5 C3 H7 110.702
C5 C3 H9 111.027 C5 C6 H12 110.018
C5 C6 H14 112.759 C6 C4 H8 109.661
C6 C4 H10 112.426 C6 C5 H11 112.815
C6 C5 H13 109.380 H7 C3 H9 108.278
H8 C4 H10 108.742 H11 C5 H13 108.607
H12 C6 H14 109.447
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.740 -0.003    
2 H 0.305 0.005    
3 C -0.163 0.229    
4 C -0.167 -0.003    
5 C -0.455 0.005    
6 C -0.429 0.229    
7 H 0.189 0.035    
8 H 0.176 0.005    
9 H 0.210 -0.041    
10 H 0.212 0.035    
11 H 0.215 0.005    
12 H 0.226 -0.041    
13 H 0.213 -0.835    
14 H 0.207 0.376    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.099 0.314 1.099 1.147
CHELPG 1.066 -0.231 0.000 1.091
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.487 -0.160 -0.017
y -0.160 -31.771 -2.135
z -0.017 -2.135 -33.587
Traceless
 xyz
x 1.192 -0.160 -0.017
y -0.160 0.766 -2.135
z -0.017 -2.135 -1.958
Polar
3z2-r2-3.915
x2-y20.284
xy-0.160
xz-0.017
yz-2.135


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.686 0.100 0.000
y 0.100 6.449 0.000
z 0.000 0.000 6.862


<r2> (average value of r2) Å2
<r2> 110.207
(<r2>)1/2 10.498