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All results from a given calculation for C4H9N (Pyrrolidine)

using model chemistry: QCISD/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 QCISD/6-31G
 hartrees
Energy at 0K-211.575620
Energy at 298.15K-211.586982
HF Energy-211.048953
Nuclear repulsion energy187.384410
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/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' 3522 3394 1.10      
2 A' 3092 2979 75.92      
3 A' 3065 2954 4.36      
4 A' 3041 2930 46.62      
5 A' 2914 2808 133.04      
6 A' 1578 1521 1.02      
7 A' 1558 1502 3.06      
8 A' 1425 1373 1.18      
9 A' 1347 1298 2.29      
10 A' 1257 1211 0.82      
11 A' 1241 1196 5.98      
12 A' 1087 1048 1.41      
13 A' 1016 979 9.06      
14 A' 940 906 0.65      
15 A' 892 860 0.64      
16 A' 850 819 35.78      
17 A' 761 733 50.59      
18 A' 566 545 94.81      
19 A' 262 252 5.13      
20 A" 3071 2960 13.12      
21 A" 3057 2946 49.32      
22 A" 3028 2918 21.30      
23 A" 2910 2804 41.40      
24 A" 1565 1508 1.87      
25 A" 1543 1487 0.92      
26 A" 1483 1429 4.60      
27 A" 1365 1315 0.15      
28 A" 1334 1286 22.73      
29 A" 1278 1232 5.33      
30 A" 1219 1175 0.04      
31 A" 1147 1105 9.91      
32 A" 1116 1075 5.87      
33 A" 936 902 0.26      
34 A" 888 855 2.90      
35 A" 650 626 1.21      
36 A" 23 22 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 28512.3 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 27474.4 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/6-31G
ABC
0.22218 0.22068 0.12539

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.503 -1.125 0.000
H2 0.457 -2.144 0.000
C3 -0.099 -0.470 1.194
C4 -0.099 -0.470 -1.194
C5 -0.099 1.036 0.787
C6 -0.099 1.036 -0.787
H7 -1.140 -0.809 1.394
H8 -1.140 -0.809 -1.394
H9 0.505 -0.671 2.092
H10 0.505 -0.671 -2.092
H11 0.806 1.533 1.170
H12 0.806 1.533 -1.170
H13 -0.973 1.564 1.202
H14 -0.973 1.564 -1.202

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
N11.02021.48871.48872.37772.37772.17782.17782.14022.14022.92032.92033.29503.2950
H21.02022.12992.12993.32333.32332.50512.50512.55872.55873.87513.87514.15264.1526
C31.48872.12992.38711.56012.48861.11312.80951.10093.34632.19873.22812.21423.2623
C41.48872.12992.38712.48861.56012.80951.11313.34631.10093.22812.19873.26232.2142
C52.37773.32331.56012.48861.57482.20393.04102.23193.40131.10152.21331.10222.2363
C62.37773.32332.48861.56011.57483.04102.20393.40132.23192.21331.10152.23631.1022
H72.17782.50511.11312.80952.20393.04102.78771.79253.85673.05393.98122.38723.5216
H82.17782.50512.80951.11313.04102.20392.78773.85671.79253.98123.05393.52162.3872
H92.14022.55871.10093.34632.23193.40131.79253.85674.18312.40833.94832.82384.2464
H102.14022.55873.34631.10093.40132.23193.85671.79254.18313.94832.40834.24642.8238
H112.92033.87512.19873.22811.10152.21333.05393.98122.40833.94832.34021.77982.9655
H122.92033.87513.22812.19872.21331.10153.98123.05393.94832.40832.34022.96551.7798
H133.29504.15262.21423.26231.10222.23632.38723.52162.82384.24641.77982.96552.4044
H143.29504.15263.26232.21422.23631.10223.52162.38724.24642.82382.96551.77982.4044

picture of Pyrrolidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 102.478 N1 C3 H7 112.864
N1 C3 H9 110.587 N1 C4 C6 102.478
N1 C4 H8 112.864 N1 C4 H10 110.587
H2 N1 C3 114.911 H2 N1 C4 114.911
C3 N1 C4 106.598 C3 C5 C6 105.090
C3 C5 H11 110.204 C3 C5 H13 111.390
C4 C6 C5 105.090 C4 C6 H12 110.204
C4 C6 H14 111.390 C5 C3 H7 109.939
C5 C3 H9 112.877 C5 C6 H12 110.330
C5 C6 H14 112.107 C6 C4 H8 109.939
C6 C4 H10 112.877 C6 C5 H11 110.330
C6 C5 H13 112.107 H7 C3 H9 108.114
H8 C4 H10 108.114 H11 C5 H13 107.738
H12 C6 H14 107.738
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability