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All results from a given calculation for C4H9N (Pyrrolidine)

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-36.761650
Energy at 298.15K-36.773230
Nuclear repulsion energy106.174544
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/CEP-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' 3824 3447 0.04      
2 A' 3313 2986 206.05      
3 A' 3280 2957 4.40      
4 A' 3253 2932 108.94      
5 A' 3148 2837 227.04      
6 A' 1675 1510 1.33      
7 A' 1649 1487 5.30      
8 A' 1533 1382 1.66      
9 A' 1444 1302 2.93      
10 A' 1358 1225 0.12      
11 A' 1328 1198 10.79      
12 A' 1169 1054 1.06      
13 A' 1070 964 4.52      
14 A' 1011 911 13.11      
15 A' 956 862 1.27      
16 A' 889 801 37.81      
17 A' 793 715 52.79      
18 A' 592 534 121.82      
19 A' 263 237 5.47      
20 A" 3287 2963 42.16      
21 A" 3265 2943 84.21      
22 A" 3233 2914 57.84      
23 A" 3141 2831 75.14      
24 A" 1660 1497 0.94      
25 A" 1631 1470 1.02      
26 A" 1588 1431 11.03      
27 A" 1472 1327 0.07      
28 A" 1448 1305 33.19      
29 A" 1370 1235 4.93      
30 A" 1314 1185 0.00      
31 A" 1241 1118 13.73      
32 A" 1208 1089 3.23      
33 A" 1009 909 0.47      
34 A" 940 847 2.87      
35 A" 698 629 1.25      
36 A" 28 25 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 30539.0 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 27527.8 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/CEP-31G
ABC
0.22532 0.22404 0.12654

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.476 -1.128 0.000
H2 0.466 -2.131 0.000
C3 -0.087 -0.466 1.189
C4 -0.087 -0.466 -1.189
C5 -0.087 1.033 0.783
C6 -0.087 1.033 -0.783
H7 -1.109 -0.801 1.409
H8 -1.109 -0.801 -1.409
H9 0.525 -0.662 2.065
H10 0.525 -0.662 -2.065
H11 0.807 1.523 1.159
H12 0.807 1.523 -1.159
H13 -0.947 1.558 1.194
H14 -0.947 1.558 -1.194

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
N11.00311.47301.47302.36622.36622.14592.14592.11752.11752.91212.91213.26593.2659
H21.00312.11962.11963.30583.30582.49682.49682.53502.53503.84863.84864.12694.1269
C31.47302.11962.37831.55292.47681.09762.81201.08663.31712.18103.20472.19903.2428
C41.47302.11962.37832.47681.55292.81201.09763.31711.08663.20472.18103.24282.1990
C52.36623.30581.55292.47681.56542.19093.03512.21163.36991.08742.19341.08852.2189
C62.36623.30582.47681.55291.56543.03512.19093.36992.21162.19341.08742.21891.0885
H72.14592.49681.09762.81202.19093.03512.81831.76663.84193.02273.95852.37443.5169
H82.14592.49682.81201.09763.03512.19092.81833.84191.76663.95853.02273.51692.3744
H92.11752.53501.08663.31712.21163.36991.76663.84194.13002.38183.90472.80254.2093
H102.11752.53503.31711.08663.36992.21163.84191.76664.13003.90472.38184.20932.8025
H112.91213.84862.18103.20471.08742.19343.02273.95852.38183.90472.31821.75552.9357
H122.91213.84863.20472.18102.19341.08743.95853.02273.90472.38182.31822.93571.7555
H133.26594.12692.19903.24281.08852.21892.37443.51692.80254.20931.75552.93572.3884
H143.26594.12693.24282.19902.21891.08853.51692.37444.20932.80252.93571.75552.3884

picture of Pyrrolidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 102.853 N1 C3 H7 112.366
N1 C3 H9 110.733 N1 C4 C6 102.853
N1 C4 H8 112.366 N1 C4 H10 110.733
H2 N1 C3 116.455 H2 N1 C4 116.455
C3 N1 C4 107.664 C3 C5 C6 105.175
C3 C5 H11 110.143 C3 C5 H13 111.505
C4 C6 C5 105.175 C4 C6 H12 110.143
C4 C6 H14 111.505 C5 C3 H7 110.322
C5 C3 H9 112.640 C5 C6 H12 110.253
C5 C6 H14 112.215 C6 C4 H8 110.322
C6 C4 H10 112.640 C6 C5 H11 110.253
C6 C5 H13 112.215 H7 C3 H9 107.953
H8 C4 H10 107.953 H11 C5 H13 107.570
H12 C6 H14 107.570
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.478      
2 H 0.278      
3 C -0.146      
4 C -0.146      
5 C -0.161      
6 C -0.161      
7 H 0.066      
8 H 0.066      
9 H 0.145      
10 H 0.145      
11 H 0.096      
12 H 0.096      
13 H 0.101      
14 H 0.101      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.238 -0.186 0.000 1.252
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.425 1.036 0.000
y 1.036 -30.439 0.000
z 0.000 0.000 -31.569
Traceless
 xyz
x -3.421 1.036 0.000
y 1.036 2.557 0.000
z 0.000 0.000 0.863
Polar
3z2-r21.727
x2-y2-3.986
xy1.036
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.578 0.136 0.000
y 0.136 6.853 0.000
z 0.000 0.000 7.110


<r2> (average value of r2) Å2
<r2> 94.737
(<r2>)1/2 9.733