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 C5H9N (Pentanenitrile)

using model chemistry: B3LYP/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-250.649356
Energy at 298.15K-250.658760
Nuclear repulsion energy208.907005
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/LANL2DZ
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' 3129 3008 52.55      
2 A' 3060 2941 48.34      
3 A' 3051 2933 2.17      
4 A' 3036 2918 24.74      
5 A' 3027 2910 36.60      
6 A' 2277 2189 14.10      
7 A' 1534 1475 19.54      
8 A' 1523 1463 2.18      
9 A' 1516 1457 1.40      
10 A' 1499 1441 5.82      
11 A' 1438 1383 10.90      
12 A' 1400 1345 0.55      
13 A' 1367 1314 2.38      
14 A' 1302 1252 2.02      
15 A' 1136 1092 10.37      
16 A' 1083 1041 0.33      
17 A' 1034 994 0.49      
18 A' 940 903 0.05      
19 A' 909 874 6.72      
20 A' 540 519 3.58      
21 A' 381 366 0.80      
22 A' 281 270 0.64      
23 A' 127 122 4.79      
24 A" 3131 3010 124.12      
25 A" 3120 2999 0.16      
26 A" 3098 2978 0.64      
27 A" 3069 2950 9.78      
28 A" 1522 1462 12.80      
29 A" 1330 1278 0.19      
30 A" 1317 1266 0.31      
31 A" 1251 1202 0.03      
32 A" 1153 1108 0.41      
33 A" 946 910 1.19      
34 A" 807 776 0.38      
35 A" 748 719 9.26      
36 A" 387 372 0.19      
37 A" 229 220 0.07      
38 A" 106 102 0.23      
39 A" 82 79 4.06      

Unscaled Zero Point Vibrational Energy (zpe) 28941.8 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 27818.8 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 B3LYP/LANL2DZ
ABC
0.50377 0.04327 0.04107

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.418 0.000
C2 1.445 0.962 0.000
C3 1.493 2.503 0.000
C4 -0.029 -1.135 0.000
N5 -2.497 -2.111 0.000
C6 -1.396 -1.684 0.000
H7 2.528 2.868 0.000
H8 -0.538 0.790 0.882
H9 -0.538 0.790 -0.882
H10 1.980 0.578 0.882
H11 1.980 0.578 -0.882
H12 0.992 2.913 -0.887
H13 0.992 2.913 0.887
H14 0.501 -1.519 -0.883
H15 0.501 -1.519 0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.54362.56461.55313.55392.52303.52031.09861.09862.17332.17332.82822.82822.18652.1865
C21.54361.54252.56224.99763.88152.19262.17722.17721.10101.10102.19142.19142.79672.7967
C32.56461.54253.94346.10015.08681.09752.79992.79992.17352.17351.09831.09834.23554.2355
C41.55312.56223.94342.65421.47334.74942.17812.17812.78272.78274.26824.26821.09881.0988
N53.55394.99766.10012.65421.18097.07383.61003.61005.29585.29586.18116.18113.18063.1806
C62.52303.88155.08681.47331.18096.00942.76302.76304.15764.15765.25575.25572.09872.0987
H73.52032.19261.09754.74947.07386.00943.80763.80762.51492.51491.77451.77454.91214.9121
H81.09862.17722.79992.17813.61002.76303.80761.76462.52703.08223.15932.61733.08662.5319
H91.09862.17722.79992.17813.61002.76303.80761.76463.08222.52702.61733.15932.53193.0866
H102.17331.10102.17352.78275.29584.15762.51492.52703.08221.76473.09252.53623.11402.5652
H112.17331.10102.17352.78275.29584.15762.51493.08222.52701.76472.53623.09252.56523.1140
H122.82822.19141.09834.26826.18115.25571.77453.15932.61733.09252.53621.77434.45914.7977
H132.82822.19141.09834.26826.18115.25571.77452.61733.15932.53623.09251.77434.79774.4591
H142.18652.79674.23551.09883.18062.09874.91213.08662.53193.11402.56524.45914.79771.7662
H152.18652.79674.23551.09883.18062.09874.91212.53193.08662.56523.11404.79774.45911.7662

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.411 C1 C2 H10 109.388
C1 C2 H11 109.388 C1 C4 C6 112.927
C1 C4 H14 109.895 C1 C4 H15 109.895
C2 C1 C4 111.671 C2 C1 H8 109.838
C2 C1 H9 109.838 C2 C3 H7 111.189
C2 C3 H12 111.039 C2 C3 H13 111.039
C3 C2 H10 109.476 C3 C2 H11 109.476
C4 C1 H8 109.256 C4 C1 H9 109.256
C4 C6 N5 179.354 C6 C4 H14 108.482
C6 C4 H15 108.482 H7 C3 H12 107.833
H7 C3 H13 107.833 H8 C1 H9 106.858
H10 C2 H11 106.527 H12 C3 H13 107.752
H14 C4 H15 106.968
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.307      
2 C -0.295      
3 C -0.644      
4 C -0.372      
5 N -0.025      
6 C -0.168      
7 H 0.206      
8 H 0.197      
9 H 0.197      
10 H 0.178      
11 H 0.178      
12 H 0.199      
13 H 0.199      
14 H 0.229      
15 H 0.229      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.940 1.955 0.000 4.398
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.432 -8.698 0.000
y -8.698 -42.367 0.000
z 0.000 0.000 -36.478
Traceless
 xyz
x -9.010 -8.698 0.000
y -8.698 0.088 0.000
z 0.000 0.000 8.922
Polar
3z2-r217.843
x2-y2-6.065
xy-8.698
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.479 1.859 0.000
y 1.859 8.526 0.000
z 0.000 0.000 6.468


<r2> (average value of r2) Å2
<r2> 263.110
(<r2>)1/2 16.221