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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: B1B95/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 B1B95/CEP-31G*
 hartrees
Energy at 0K-43.477125
Energy at 298.15K-43.486424
Nuclear repulsion energy115.052776
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 B1B95/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' 3157 3021 42.84      
2 A' 3095 2963 35.49      
3 A' 3088 2956 5.09      
4 A' 3072 2940 20.72      
5 A' 3068 2937 35.25      
6 A' 2367 2266 22.79      
7 A' 1502 1438 10.66      
8 A' 1489 1425 2.23      
9 A' 1480 1417 1.61      
10 A' 1463 1400 4.00      
11 A' 1412 1352 1.99      
12 A' 1397 1338 3.58      
13 A' 1335 1278 1.33      
14 A' 1251 1197 0.75      
15 A' 1120 1072 5.56      
16 A' 1082 1036 0.29      
17 A' 1043 998 0.79      
18 A' 945 905 0.45      
19 A' 905 866 4.40      
20 A' 529 507 1.60      
21 A' 372 356 0.76      
22 A' 268 256 0.77      
23 A' 119 114 5.20      
24 A" 3160 3025 101.99      
25 A" 3154 3019 5.37      
26 A" 3135 3001 4.94      
27 A" 3108 2975 6.24      
28 A" 1493 1429 10.25      
29 A" 1317 1261 0.14      
30 A" 1294 1239 0.44      
31 A" 1217 1165 0.04      
32 A" 1101 1054 0.28      
33 A" 906 867 1.12      
34 A" 765 733 0.11      
35 A" 711 680 8.51      
36 A" 376 360 0.00      
37 A" 239 228 0.04      
38 A" 111 107 0.38      
39 A" 84 80 3.83      

Unscaled Zero Point Vibrational Energy (zpe) 28865.5 cm-1
Scaled (by 0.9572) Zero Point Vibrational Energy (zpe) 27630.1 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 B1B95/CEP-31G*
ABC
0.49437 0.04364 0.04134

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.411 0.000
C2 1.430 0.982 0.000
C3 1.433 2.521 0.000
C4 0.005 -1.135 0.000
N5 -2.461 -2.134 0.000
C6 -1.364 -1.702 0.000
H7 2.460 2.920 0.000
H8 -0.550 0.772 0.884
H9 -0.550 0.772 -0.884
H10 1.975 0.609 0.885
H11 1.975 0.609 -0.885
H12 0.916 2.917 -0.890
H13 0.916 2.917 0.890
H14 0.532 -1.521 -0.887
H15 0.532 -1.521 0.887

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53972.55061.54673.54042.51553.51331.10211.10212.17282.17282.81292.81292.19212.1921
C21.53971.53952.55224.98483.87452.19472.17872.17871.10381.10382.19142.19142.80362.8036
C32.55061.53953.92576.06905.06581.10142.78822.78822.17602.17601.10251.10254.23594.2359
C41.54672.55223.92572.66061.48184.74052.17442.17442.77562.77564.24834.24831.10161.1016
N53.54044.98486.06902.66061.17897.05373.58853.58855.28965.28966.14126.14123.18133.1813
C62.51553.87455.06581.48181.17895.99892.75072.75074.15574.15575.22825.22822.10112.1011
H73.51332.19471.10144.74057.05375.99893.80183.80182.52212.52211.78131.78134.92244.9224
H81.10212.17872.78822.17443.58852.75073.80181.76872.52993.08713.14672.59873.09322.5358
H91.10212.17872.78822.17443.58852.75073.80181.76873.08712.52992.59873.14672.53583.0932
H102.17281.10382.17602.77565.28964.15572.52212.52993.08711.76933.09832.53983.12372.5727
H112.17281.10382.17602.77565.28964.15572.52213.08712.52991.76932.53983.09832.57273.1237
H122.81292.19141.10254.24836.14125.22821.78133.14672.59873.09832.53981.77984.45554.7968
H132.81292.19141.10254.24836.14125.22821.78132.59873.14672.53983.09831.77984.79684.4555
H142.19212.80364.23591.10163.18132.10114.92243.09322.53583.12372.57274.45554.79681.7741
H152.19212.80364.23591.10163.18132.10114.92242.53583.09322.57273.12374.79684.45551.7741

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 111.853 C1 C2 H10 109.446
C1 C2 H11 109.446 C1 C4 C6 112.302
C1 C4 H14 110.610 C1 C4 H15 110.610
C2 C1 C4 111.563 C2 C1 H8 110.013
C2 C1 H9 110.013 C2 C3 H7 111.330
C2 C3 H12 111.002 C2 C3 H13 111.002
C3 C2 H10 109.708 C3 C2 H11 109.708
C4 C1 H8 109.201 C4 C1 H9 109.201
C4 C6 N5 178.974 C6 C4 H14 107.931
C6 C4 H15 107.931 H7 C3 H12 107.852
H7 C3 H13 107.852 H8 C1 H9 106.723
H10 C2 H11 106.535 H12 C3 H13 107.642
H14 C4 H15 107.268
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.383      
2 C -0.158      
3 C -0.370      
4 C -0.161      
5 N 0.388      
6 C -0.586      
7 H 0.175      
8 H 0.144      
9 H 0.144      
10 H 0.113      
11 H 0.113      
12 H 0.131      
13 H 0.131      
14 H 0.160      
15 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.840 1.970 0.000 4.316
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.089 -8.425 0.000
y -8.425 -42.047 0.000
z 0.000 0.000 -35.761
Traceless
 xyz
x -8.185 -8.425 0.000
y -8.425 -0.622 0.000
z 0.000 0.000 8.807
Polar
3z2-r217.614
x2-y2-5.042
xy-8.425
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.466 1.919 0.000
y 1.919 8.953 0.000
z 0.000 0.000 6.442


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000