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All results from a given calculation for C5H9N (Pentanenitrile)

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-250.613309
Energy at 298.15K-250.622786
Nuclear repulsion energy210.530581
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' 3130 3020 26.11      
2 A' 3054 2947 32.67      
3 A' 3046 2939 3.81      
4 A' 3040 2934 20.33      
5 A' 3026 2920 23.94      
6 A' 2369 2286 13.70      
7 A' 1481 1430 7.49      
8 A' 1469 1418 0.54      
9 A' 1462 1410 0.95      
10 A' 1439 1389 3.83      
11 A' 1399 1350 0.79      
12 A' 1393 1344 1.83      
13 A' 1342 1295 2.25      
14 A' 1258 1214 3.00      
15 A' 1124 1085 2.89      
16 A' 1084 1046 0.16      
17 A' 1041 1005 0.80      
18 A' 952 918 0.43      
19 A' 911 879 2.57      
20 A' 544 525 0.93      
21 A' 384 371 0.70      
22 A' 280 270 0.98      
23 A' 125 121 5.03      
24 A" 3122 3013 45.16      
25 A" 3108 2999 14.09      
26 A" 3087 2979 2.93      
27 A" 3061 2954 8.32      
28 A" 1468 1417 7.85      
29 A" 1319 1273 0.13      
30 A" 1300 1255 0.33      
31 A" 1225 1182 0.10      
32 A" 1121 1082 0.06      
33 A" 924 892 0.95      
34 A" 789 761 0.06      
35 A" 739 713 5.19      
36 A" 393 379 0.15      
37 A" 248 239 0.12      
38 A" 117 113 0.42      
39 A" 88 85 3.39      

Unscaled Zero Point Vibrational Energy (zpe) 28729.6 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 27724.1 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
0.50871 0.04410 0.04185

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)
C1 0.000 0.408 0.000
C2 1.419 0.970 0.000
C3 1.454 2.495 0.000
C4 -0.018 -1.127 0.000
N5 -2.451 -2.108 0.000
C6 -1.369 -1.683 0.000
H7 2.488 2.872 0.000
H8 -0.551 0.775 0.883
H9 -0.551 0.775 -0.883
H10 1.964 0.587 0.882
H11 1.964 0.587 -0.882
H12 0.949 2.907 -0.889
H13 0.949 2.907 0.889
H14 0.513 -1.519 -0.884
H15 0.513 -1.519 0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52652.54311.53503.51242.49933.50131.10321.10322.15992.15992.81662.81662.18162.1816
C21.52651.52462.54224.94493.84882.18112.16812.16811.10511.10512.18202.18202.79292.7929
C32.54311.52463.90906.03585.04181.10072.78552.78552.16282.16281.10221.10224.21634.2163
C41.53502.54223.90902.62321.46124.71872.16292.16292.76392.76394.24194.24191.10331.1033
N53.51244.94496.03582.62321.16217.01343.56303.56305.24635.24636.12346.12343.14823.1482
C62.49933.84885.04181.46121.16215.96822.73602.73604.12734.12735.21795.21792.08592.0859
H73.50132.18111.10074.71877.01345.96823.79673.79672.50472.50471.77781.77784.89494.8949
H81.10322.16812.78552.16293.56302.73603.79671.76512.52213.07793.15192.60723.08462.5287
H91.10322.16812.78552.16293.56302.73603.79671.76513.07792.52212.60723.15192.52873.0846
H102.15991.10512.16282.76395.24634.12732.50472.52213.07791.76363.09002.53263.10742.5570
H112.15991.10512.16282.76395.24634.12732.50473.07792.52211.76362.53263.09002.55703.1074
H122.81662.18201.10224.24196.12345.21791.77783.15192.60723.09002.53261.77724.44754.7877
H132.81662.18201.10224.24196.12345.21791.77782.60723.15192.53263.09001.77724.78774.4475
H142.18162.79294.21631.10333.14822.08594.89493.08462.52873.10742.55704.44754.78771.7679
H152.18162.79294.21631.10333.14822.08594.89492.52873.08462.55703.10744.78774.44751.7679

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.919 C1 C2 H10 109.275
C1 C2 H11 109.275 C1 C4 C6 113.032
C1 C4 H14 110.494 C1 C4 H15 110.494
C2 C1 C4 112.276 C2 C1 H8 110.022
C2 C1 H9 110.022 C2 C3 H7 111.337
C2 C3 H12 111.317 C2 C3 H13 111.317
C3 C2 H10 109.631 C3 C2 H11 109.631
C4 C1 H8 109.040 C4 C1 H9 109.040
C4 C6 N5 179.109 C6 C4 H14 108.040
C6 C4 H15 108.040 H7 C3 H12 107.611
H7 C3 H13 107.611 H8 C1 H9 106.252
H10 C2 H11 105.863 H12 C3 H13 107.448
H14 C4 H15 106.482
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 C -0.080      
2 C -0.109      
3 C -0.070      
4 C -0.020      
5 N -0.140      
6 C -0.079      
7 H 0.044      
8 H 0.055      
9 H 0.055      
10 H 0.039      
11 H 0.039      
12 H 0.047      
13 H 0.047      
14 H 0.086      
15 H 0.086      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.652 1.877 0.000 4.106
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.998 -7.791 0.000
y -7.791 -41.833 0.000
z 0.000 0.000 -36.559
Traceless
 xyz
x -7.802 -7.791 0.000
y -7.791 -0.054 0.000
z 0.000 0.000 7.856
Polar
3z2-r215.713
x2-y2-5.165
xy-7.791
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> 258.604
(<r2>)1/2 16.081