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All results from a given calculation for C4H9N (Pyrrolidine)

using model chemistry: QCISD/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 QCISD/3-21G*
 hartrees
Energy at 0K-210.493456
Energy at 298.15K-210.504796
HF Energy-209.971076
Nuclear repulsion energy187.074814
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 QCISD/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 3403 3271 3.74      
2 A 3122 3000 48.57      
3 A 3101 2980 4.96      
4 A 3085 2965 15.89      
5 A 3074 2955 40.80      
6 A 3067 2948 32.94      
7 A 3058 2939 14.02      
8 A 2954 2839 74.33      
9 A 2942 2828 57.94      
10 A 1595 1533 1.92      
11 A 1579 1517 1.89      
12 A 1570 1509 3.27      
13 A 1553 1492 1.61      
14 A 1463 1406 2.31      
15 A 1422 1367 0.48      
16 A 1377 1323 1.44      
17 A 1354 1301 6.45      
18 A 1330 1278 11.59      
19 A 1296 1246 8.94      
20 A 1252 1203 4.26      
21 A 1248 1199 2.19      
22 A 1222 1174 0.04      
23 A 1128 1084 5.48      
24 A 1082 1040 7.44      
25 A 1066 1025 3.29      
26 A 1025 985 14.50      
27 A 923 887 0.80      
28 A 904 869 0.22      
29 A 885 850 3.30      
30 A 868 834 2.17      
31 A 837 804 26.59      
32 A 761 732 36.57      
33 A 635 610 8.01      
34 A 561 539 66.85      
35 A 278 267 5.19      
36 A 21 20 0.49      

Unscaled Zero Point Vibrational Energy (zpe) 28520.3 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 27410.9 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 QCISD/3-21G*
ABC
0.22038 0.22016 0.12576

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.034 -1.194 -0.355
H2 0.085 -2.182 -0.080
C3 1.220 -0.404 0.133
C4 -1.159 -0.491 0.228
C5 0.733 1.087 0.002
C6 -0.838 0.992 -0.127
H7 1.468 -0.614 1.191
H8 -1.240 -0.603 1.327
H9 2.099 -0.614 -0.489
H10 -2.085 -0.848 -0.241
H11 1.164 1.563 -0.888
H12 -1.136 1.183 -1.165
H13 1.027 1.667 0.886
H14 -1.354 1.699 0.534

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
N11.02721.50641.50262.41302.36462.18742.19162.14942.14973.02692.77043.27343.3300
H21.02722.12012.12253.33433.30642.44672.49652.58472.55293.98023.74114.07894.1852
C31.50642.12012.38241.57392.49971.10692.74141.09743.35512.21633.12282.21193.3478
C41.50262.12252.38242.47461.55842.80121.10833.33851.09733.29552.17783.14192.2199
C52.41303.33431.57392.47461.57922.20202.91672.23643.42731.09682.20581.09772.2395
C62.36463.30642.49971.55841.57923.10382.19553.36692.22582.21631.09702.22731.0973
H72.18742.44671.10692.80122.20203.10382.71161.79423.83803.02513.94492.34293.7077
H82.19162.49652.74141.10832.91672.19552.71163.80101.79853.92123.06803.23812.4371
H92.14942.58471.09743.33852.23643.36691.79423.80104.19782.40263.76212.87114.2806
H102.14972.55293.35511.09733.42732.22583.83801.79854.19784.09702.42464.15712.7609
H113.02693.98022.21633.29551.09682.21633.02513.92122.40264.09702.34781.78272.8955
H122.77043.74113.12282.17782.20581.09703.94493.06803.76212.42462.34783.02061.7897
H133.27344.07892.21193.14191.09772.22732.34293.23812.87114.15711.78273.02062.4076
H143.33004.18523.34782.21992.23951.09733.70772.43714.28062.76092.89551.78972.4076

picture of Pyrrolidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 103.113 N1 C3 H7 112.760
N1 C3 H9 110.286 N1 C4 C6 101.144
N1 C4 H8 113.299 N1 C4 H10 110.587
H2 N1 C3 112.220 H2 N1 C4 112.724
C3 N1 C4 104.698 C3 C5 C6 104.894
C3 C5 H11 110.901 C3 C5 H13 110.502
C4 C6 C5 104.130 C4 C6 H12 108.959
C4 C6 H14 112.258 C5 C3 H7 109.205
C5 C3 H9 112.467 C5 C6 H12 109.708
C5 C6 H14 112.346 C6 C4 H8 109.683
C6 C4 H10 112.730 C6 C5 H11 110.536
C6 C5 H13 111.350 H7 C3 H9 108.966
H8 C4 H10 109.262 H11 C5 H13 108.646
H12 C6 H14 109.297
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability