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: B3PW91/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 B3PW91/cc-pVDZ
 hartrees
Energy at 0K-212.520163
Energy at 298.15K-212.531692
Nuclear repulsion energy190.253982
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 B3PW91/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3527 3404 0.61      
2 A' 3132 3023 50.87      
3 A' 3088 2980 15.00      
4 A' 3074 2966 38.63      
5 A' 2924 2822 153.83      
6 A' 1505 1453 0.84      
7 A' 1475 1423 5.40      
8 A' 1388 1340 2.55      
9 A' 1307 1261 0.99      
10 A' 1242 1198 1.61      
11 A' 1217 1174 7.14      
12 A' 1077 1039 0.31      
13 A' 1011 975 0.69      
14 A' 956 923 7.80      
15 A' 920 888 3.29      
16 A' 888 857 61.76      
17 A' 763 736 21.68      
18 A' 579 559 43.29      
19 A' 303 293 3.74      
20 A" 3113 3004 0.01      
21 A" 3080 2973 86.63      
22 A" 3066 2959 6.27      
23 A" 2920 2817 48.39      
24 A" 1484 1432 1.00      
25 A" 1453 1402 0.48      
26 A" 1432 1382 5.75      
27 A" 1317 1270 13.10      
28 A" 1295 1249 12.57      
29 A" 1235 1192 5.87      
30 A" 1196 1154 0.26      
31 A" 1147 1107 12.43      
32 A" 1104 1065 0.02      
33 A" 946 913 0.22      
34 A" 870 839 2.58      
35 A" 637 614 0.55      
36 A" 78 75 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 28372.6 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 27379.5 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 B3PW91/cc-pVDZ
ABC
0.22994 0.22747 0.13066

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.536 -1.092 0.000
H2 0.414 -2.105 0.000
C3 -0.102 -0.469 1.153
C4 -0.102 -0.469 -1.153
C5 -0.102 1.021 0.775
C6 -0.102 1.021 -0.775
H7 -1.149 -0.815 1.311
H8 -1.149 -0.815 -1.311
H9 0.458 -0.680 2.078
H10 0.458 -0.680 -2.078
H11 0.803 1.514 1.160
H12 0.803 1.514 -1.160
H13 -0.969 1.547 1.201
H14 -0.969 1.547 -1.201

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
N11.01961.45821.45822.33942.33942.15342.15342.11952.11952.86512.86513.26753.2675
H21.01962.06682.06683.26103.26102.41382.41382.51932.51933.81963.81964.08574.0857
C31.45822.06682.30651.53692.43651.11402.69991.10163.28592.17943.17832.19533.2186
C41.45822.06682.30652.43651.53692.69991.11403.28591.10163.17832.17943.21862.1953
C52.33943.26101.53692.43651.54972.18022.96932.21463.36801.10012.19221.10012.2208
C62.33943.26102.43651.53691.54972.96932.18023.36802.21462.19221.10012.22081.1001
H72.15342.41381.11402.69992.18022.96932.62241.78613.75323.04223.91662.37193.4532
H82.15342.41382.69991.11402.96932.18022.62243.75321.78613.91663.04223.45322.3719
H92.11952.51931.10163.28592.21463.36801.78613.75324.15512.40283.92622.78734.2129
H102.11952.51933.28591.10163.36802.21463.75321.78614.15513.92622.40284.21292.7873
H112.86513.81962.17943.17831.10012.19223.04223.91662.40283.92622.32031.77212.9519
H122.86513.81963.17832.17942.19221.10013.91663.04223.92622.40282.32032.95191.7721
H133.26754.08572.19533.21861.10012.22082.37193.45322.78734.21291.77212.95192.4018
H143.26754.08573.21862.19532.22081.10013.45322.37194.21292.78732.95191.77212.4018

picture of Pyrrolidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 102.687 N1 C3 H7 113.012
N1 C3 H9 111.022 N1 C4 C6 102.687
N1 C4 H8 113.012 N1 C4 H10 111.022
H2 N1 C3 111.837 H2 N1 C4 111.837
C3 N1 C4 104.536 C3 C5 C6 104.254
C3 C5 H11 110.377 C3 C5 H13 111.644
C4 C6 C5 104.254 C4 C6 H12 110.377
C4 C6 H14 111.644 C5 C3 H7 109.628
C5 C3 H9 113.113 C5 C6 H12 110.505
C5 C6 H14 112.787 C6 C4 H8 109.628
C6 C4 H10 113.113 C6 C5 H11 110.505
C6 C5 H13 112.787 H7 C3 H9 107.450
H8 C4 H10 107.450 H11 C5 H13 107.309
H12 C6 H14 107.309
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.243      
2 H 0.087      
3 C 0.025      
4 C 0.025      
5 C -0.060      
6 C -0.060      
7 H 0.013      
8 H 0.013      
9 H 0.028      
10 H 0.028      
11 H 0.042      
12 H 0.042      
13 H 0.030      
14 H 0.030      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.755 -0.301 0.000 0.812
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.773 0.624 0.000
y 0.624 -30.232 0.000
z 0.000 0.000 -31.555
Traceless
 xyz
x -2.880 0.624 0.000
y 0.624 2.432 0.000
z 0.000 0.000 0.448
Polar
3z2-r20.896
x2-y2-3.541
xy0.624
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 108.936
(<r2>)1/2 10.437