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All results from a given calculation for C4H9N (Pyrrolidine)

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-211.760128
Energy at 298.15K-211.771795
HF Energy-211.145010
Nuclear repulsion energy191.036272
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 CISD/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' 3656 3385 0.65      
2 A' 3244 3003 65.66      
3 A' 3211 2973 7.31      
4 A' 3192 2956 44.67      
5 A' 3078 2849 126.01      
6 A' 1632 1511 0.66      
7 A' 1606 1486 3.51      
8 A' 1489 1379 2.48      
9 A' 1407 1303 1.83      
10 A' 1328 1229 1.05      
11 A' 1305 1208 10.13      
12 A' 1136 1051 0.52      
13 A' 1061 983 5.62      
14 A' 1004 930 8.03      
15 A' 959 888 13.82      
16 A' 942 873 59.89      
17 A' 816 755 21.89      
18 A' 610 565 44.68      
19 A' 309 286 4.81      
20 A" 3224 2984 4.28      
21 A" 3205 2967 70.24      
22 A" 3181 2945 17.62      
23 A" 3073 2845 36.09      
24 A" 1614 1494 2.24      
25 A" 1583 1466 0.73      
26 A" 1529 1415 8.02      
27 A" 1413 1308 10.96      
28 A" 1391 1287 18.78      
29 A" 1324 1226 5.84      
30 A" 1277 1182 0.44      
31 A" 1208 1118 10.21      
32 A" 1173 1086 0.50      
33 A" 990 917 0.16      
34 A" 921 853 2.34      
35 A" 663 614 0.80      
36 A" 64 59 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 29907.8 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 27688.7 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 CISD/6-31G*
ABC
0.23143 0.22915 0.13136

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.534 -1.091 0.000
H2 0.418 -2.094 0.000
C3 -0.103 -0.467 1.153
C4 -0.103 -0.467 -1.153
C5 -0.103 1.018 0.773
C6 -0.103 1.018 -0.773
H7 -1.134 -0.815 1.303
H8 -1.134 -0.815 -1.303
H9 0.455 -0.674 2.065
H10 0.455 -0.674 -2.065
H11 0.793 1.504 1.154
H12 0.793 1.504 -1.154
H13 -0.961 1.541 1.192
H14 -0.961 1.541 -1.192

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
N11.01061.45731.45732.33462.33462.13462.13462.10772.10772.85122.85123.25263.2526
H21.01062.06122.06123.24913.24912.39622.39622.50622.50623.79733.79734.06634.0663
C31.45732.06122.30561.53282.43201.09872.68611.08883.27202.16463.16352.18353.2040
C41.45732.06122.30562.43201.53282.68611.09873.27201.08883.16352.16463.20402.1835
C52.33463.24911.53282.43201.54632.16902.95532.20093.35091.08792.18011.08852.2073
C62.33463.24912.43201.53281.54632.95532.16903.35092.20092.18011.08792.20731.0885
H72.13462.39621.09872.68612.16902.95532.60571.76773.72623.01873.88932.36453.4358
H82.13462.39622.68611.09872.95532.16902.60573.72621.76773.88933.01873.43582.3645
H92.10772.50621.08883.27202.20093.35091.76773.72624.12932.38483.90112.76974.1855
H102.10772.50623.27201.08883.35092.20093.72621.76774.12933.90112.38484.18552.7697
H112.85123.79732.16463.16351.08792.18013.01873.88932.38483.90112.30821.75482.9297
H122.85123.79733.16352.16462.18011.08793.88933.01873.90112.38482.30822.92971.7548
H133.25264.06632.18353.20401.08852.20732.36453.43582.76974.18551.75482.92972.3846
H143.25264.06633.20402.18352.20731.08853.43582.36454.18552.76972.92971.75482.3846

picture of Pyrrolidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 102.634 N1 C3 H7 112.498
N1 C3 H9 110.921 N1 C4 C6 102.634
N1 C4 H8 112.498 N1 C4 H10 110.921
H2 N1 C3 112.006 H2 N1 C4 112.006
C3 N1 C4 104.571 C3 C5 C6 104.341
C3 C5 H11 110.217 C3 C5 H13 111.691
C4 C6 C5 104.341 C4 C6 H12 110.217
C4 C6 H14 111.691 C5 C3 H7 109.924
C5 C3 H9 113.083 C5 C6 H12 110.498
C5 C6 H14 112.651 C6 C4 H8 109.924
C6 C4 H10 113.083 C6 C5 H11 110.498
C6 C5 H13 112.651 H7 C3 H9 107.818
H8 C4 H10 107.818 H11 C5 H13 107.467
H12 C6 H14 107.467
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability