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 C5H11N (Cyclopentanamine)

using model chemistry: B3LYP/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 B3LYP/CEP-31G
 hartrees
Energy at 0K-44.698344
Energy at 298.15K-44.711672
Nuclear repulsion energy140.576730
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 B3LYP/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 3513 3402 3.98      
2 A 3125 3026 218.83      
3 A 3096 2998 7.97      
4 A 3062 2966 38.16      
5 A 3041 2944 64.40      
6 A 2921 2828 109.40      
7 A 1676 1623 36.18      
8 A 1529 1481 2.56      
9 A 1511 1464 6.53      
10 A 1392 1348 29.08      
11 A 1336 1293 0.40      
12 A 1308 1267 0.45      
13 A 1239 1200 3.64      
14 A 1193 1156 0.80      
15 A 1124 1088 13.79      
16 A 1060 1026 0.41      
17 A 981 950 4.33      
18 A 896 868 2.62      
19 A 868 841 0.28      
20 A 760 736 10.54      
21 A 644 624 208.20      
22 A 532 515 5.83      
23 A 457 443 20.39      
24 A 177 171 0.90      
25 A 3635 3521 0.01      
26 A 3103 3005 12.81      
27 A 3072 2975 19.65      
28 A 3045 2948 131.83      
29 A 3034 2938 10.23      
30 A 1508 1461 6.06      
31 A 1499 1452 0.10      
32 A 1380 1337 1.94      
33 A 1334 1292 0.98      
34 A 1310 1269 0.25      
35 A 1269 1228 0.54      
36 A 1203 1165 1.69      
37 A 1181 1144 0.89      
38 A 1031 999 1.30      
39 A 965 935 0.19      
40 A 935 906 5.92      
41 A 813 787 0.41      
42 A 629 610 0.16      
43 A 344 333 10.82      
44 A 217 211 42.91      
45 A 52 50 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 34499.9 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 33409.7 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 B3LYP/CEP-31G
ABC
0.20637 0.09695 0.07236

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.066 1.895 0.000
C2 0.000 0.860 0.000
H3 1.024 1.301 0.000
H4 -1.096 2.469 0.846
H5 -1.096 2.469 -0.846
C6 0.690 -1.377 0.791
C7 0.690 -1.377 -0.791
C8 -0.129 -0.108 -1.212
C9 -0.129 -0.108 1.212
H10 0.245 -2.298 -1.203
H11 0.245 -2.298 1.203
H12 1.724 -1.320 1.175
H13 1.724 -1.320 -1.175
H14 -1.199 -0.351 -1.335
H15 -1.199 -0.351 1.335
H16 0.232 0.333 -2.158
H17 0.232 0.333 2.158

Atom - Atom Distances (Å)
  N1 C2 H3 H4 H5 C6 C7 C8 C9 H10 H11 H12 H13 H14 H15 H16 H17
N11.48562.17311.02281.02283.79633.79632.52202.52204.55474.55474.41594.41592.61612.61612.96362.9636
C21.48561.11542.12252.12252.47092.47091.55681.55683.38843.38843.01763.01762.16502.16502.23392.2339
H32.17311.11542.56402.56402.81242.81242.18772.18773.87443.87442.95672.95673.07523.07522.49492.4949
H41.02282.12252.56401.69114.24094.54533.43712.77755.35934.96534.73495.13743.56672.86463.91802.8374
H51.02282.12252.56401.69114.54534.24092.77753.43714.96535.35935.13744.73492.86463.56672.83743.9180
C63.79632.47092.81244.24094.54531.58152.50811.56732.24081.10311.10452.22173.02322.21733.43962.2369
C73.79632.47092.81244.54534.24091.58151.56732.50811.10312.24082.22171.10452.21733.02322.23693.4396
C82.52201.55682.18773.43712.77752.50811.56732.42422.22143.28123.25552.21401.10452.77371.10473.4184
C92.52201.55682.18772.77753.43711.56732.50812.42423.28122.22142.21403.25552.77371.10453.41841.1047
H104.55473.38843.87445.35934.96532.24081.10312.22143.28122.40572.96611.77342.42763.50962.79934.2686
H114.55473.38843.87444.96535.35931.10312.24083.28122.22142.40571.77342.96613.50962.42764.26862.7993
H124.41593.01762.95674.73495.13741.10452.22173.25552.21402.96611.77342.34973.97283.08364.00872.4344
H134.41593.01762.95675.13744.73492.22171.10452.21403.25551.77342.96612.34973.08363.97282.43444.0087
H142.61612.16503.07523.56672.86463.02322.21731.10452.77372.42763.50963.97283.08362.67041.78713.8368
H152.61612.16503.07522.86463.56672.21733.02322.77371.10453.50962.42763.08363.97282.67043.83681.7871
H162.96362.23392.49493.91802.83743.43962.23691.10473.41842.79934.26864.00872.43441.78713.83684.3168
H172.96362.23392.49492.83743.91802.23693.43963.41841.10474.26862.79932.43444.00873.83681.78714.3168

picture of Cyclopentanamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 H3 112.557 N1 C2 C8 111.960
N1 C2 C9 111.960 C2 N1 H4 114.333
C2 N1 H5 114.333 C2 C8 C7 104.538
C2 C8 H14 107.671 C2 C8 H16 113.044
C2 C9 C6 104.538 C2 C9 H15 107.671
C2 C9 H17 113.044 H3 C2 C8 108.781
H3 C2 C9 108.781 H4 N1 H5 111.521
C6 C7 C8 105.595 C6 C7 H10 111.937
C6 C7 H13 110.350 C6 C9 H15 110.991
C6 C9 H17 112.527 C7 C6 C9 105.595
C7 C6 H11 111.937 C7 C6 H12 110.350
C7 C8 H14 110.991 C7 C8 H16 112.527
C8 C2 C9 102.261 C8 C7 H10 111.395
C8 C7 H13 110.728 C9 C6 H11 111.395
C9 C6 H12 110.728 H10 C7 H13 106.898
H11 C6 H12 106.898 H14 C8 H16 107.984
H15 C9 H17 107.984
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.510      
2 C -0.043      
3 H 0.137      
4 H 0.237      
5 H 0.237      
6 C -0.284      
7 C -0.284      
8 C -0.304      
9 C -0.304      
10 H 0.153      
11 H 0.153      
12 H 0.120      
13 H 0.120      
14 H 0.125      
15 H 0.125      
16 H 0.162      
17 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.038 0.738 0.000 1.273
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.556 0.902 0.000
y 0.902 -34.670 0.000
z 0.000 0.000 -37.516
Traceless
 xyz
x -5.463 0.902 0.000
y 0.902 4.866 0.000
z 0.000 0.000 0.597
Polar
3z2-r21.194
x2-y2-6.885
xy0.902
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.671 -1.114 0.000
y -1.114 9.037 0.000
z 0.000 0.000 8.827


<r2> (average value of r2) Å2
<r2> 147.099
(<r2>)1/2 12.128