return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C4H9N (Pyrrolidine)

using model chemistry: MP2/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/cc-pVDZ
 hartrees
Energy at 0K-211.897336
Energy at 298.15K-211.908896
HF Energy-211.160283
Nuclear repulsion energy189.933348
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 MP2/cc-pVDZ
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' 3533 3365 0.47      
2 A' 3185 3034 44.89      
3 A' 3141 2992 10.54      
4 A' 3119 2971 36.55      
5 A' 2989 2847 129.90      
6 A' 1524 1451 1.03      
7 A' 1496 1425 4.87      
8 A' 1403 1336 2.75      
9 A' 1324 1261 1.15      
10 A' 1256 1196 2.22      
11 A' 1232 1173 7.74      
12 A' 1088 1036 0.35      
13 A' 1023 974 3.04      
14 A' 965 919 3.27      
15 A' 932 888 13.25      
16 A' 915 871 58.94      
17 A' 777 740 19.75      
18 A' 585 557 32.54      
19 A' 324 309 4.21      
20 A" 3167 3016 0.47      
21 A" 3138 2989 59.37      
22 A" 3108 2961 17.26      
23 A" 2987 2845 36.43      
24 A" 1505 1434 1.00      
25 A" 1472 1402 0.73      
26 A" 1433 1365 3.59      
27 A" 1329 1266 13.80      
28 A" 1304 1242 9.12      
29 A" 1245 1186 6.48      
30 A" 1206 1149 0.88      
31 A" 1151 1096 9.95      
32 A" 1112 1059 0.01      
33 A" 957 911 0.19      
34 A" 877 835 2.13      
35 A" 626 596 0.52      
36 A" 63 60 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 28743.6 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 27378.3 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 MP2/cc-pVDZ
ABC
0.22944 0.22607 0.13093

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.572 -1.079 0.000
H2 0.447 -2.095 0.000
C3 -0.110 -0.474 1.149
C4 -0.110 -0.474 -1.149
C5 -0.110 1.022 0.778
C6 -0.110 1.022 -0.778
H7 -1.159 -0.829 1.261
H8 -1.159 -0.829 -1.261
H9 0.426 -0.688 2.088
H10 0.426 -0.688 -2.088
H11 0.801 1.507 1.163
H12 0.801 1.507 -1.163
H13 -0.978 1.549 1.204
H14 -0.978 1.549 -1.204

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
N11.02371.46641.46642.34202.34202.15692.15692.12912.12912.84552.84553.28033.2803
H21.02372.06362.06363.26083.26082.40342.40342.51772.51773.80253.80254.09414.0941
C31.46642.06362.29731.54122.43901.11402.65271.10233.28752.18063.17812.20203.2221
C41.46642.06362.29732.43901.54122.65271.11403.28751.10233.17812.18063.22212.2020
C52.34203.26081.54122.43901.55552.18232.94732.22013.37991.10152.19831.10182.2272
C62.34203.26082.43901.54121.55552.94732.18233.37992.22012.19831.10152.22721.1018
H72.15692.40341.11402.65272.18232.94732.52291.79363.70833.05153.89632.38533.4302
H82.15692.40342.65271.11402.94732.18232.52293.70831.79363.89633.05153.43022.3853
H92.12912.51771.10233.28752.22013.37991.79363.70834.17572.41183.94112.78534.2208
H102.12912.51773.28751.10233.37992.22013.70831.79364.17573.94112.41184.22082.7853
H112.84553.80252.18063.17811.10152.19833.05153.89632.41183.94112.32671.78002.9619
H122.84553.80253.17812.18062.19831.10153.89633.05153.94112.41182.32672.96191.7800
H133.28034.09412.20203.22211.10182.22722.38533.43022.78534.22081.78002.96192.4086
H143.28034.09413.22212.20202.22721.10183.43022.38534.22082.78532.96191.78002.4086

picture of Pyrrolidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 102.248 N1 C3 H7 112.697
N1 C3 H9 111.169 N1 C4 C6 102.248
N1 C4 H8 112.697 N1 C4 H10 111.169
H2 N1 C3 110.668 H2 N1 C4 110.668
C3 N1 C4 103.124 C3 C5 C6 103.925
C3 C5 H11 110.094 C3 C5 H13 111.767
C4 C6 C5 103.925 C4 C6 H12 110.094
C4 C6 H14 111.767 C5 C3 H7 109.493
C5 C3 H9 113.192 C5 C6 H12 110.493
C5 C6 H14 112.775 C6 C4 H8 109.493
C6 C4 H10 113.192 C6 C5 H11 110.493
C6 C5 H13 112.775 H7 C3 H9 108.050
H8 C4 H10 108.050 H11 C5 H13 107.784
H12 C6 H14 107.784
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability