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All results from a given calculation for C5H9N (Butanenitrile, 2-methyl-)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-250.651931
Energy at 298.15K-250.661400
Nuclear repulsion energy220.256699
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 B3PW91/6-311G*
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 3140 3023 20.32      
2 A 3132 3015 22.27      
3 A 3121 3005 43.37      
4 A 3113 2996 38.09      
5 A 3086 2971 4.46      
6 A 3056 2942 13.51      
7 A 3051 2937 27.69      
8 A 3042 2928 19.40      
9 A 3032 2919 3.06      
10 A 2359 2271 11.84      
11 A 1525 1468 4.04      
12 A 1517 1460 14.75      
13 A 1513 1456 9.42      
14 A 1508 1451 10.40      
15 A 1496 1440 0.42      
16 A 1424 1371 4.87      
17 A 1419 1366 7.08      
18 A 1387 1336 0.50      
19 A 1354 1303 1.01      
20 A 1328 1278 1.50      
21 A 1289 1241 0.55      
22 A 1189 1144 2.39      
23 A 1146 1103 0.21      
24 A 1122 1080 6.16      
25 A 1057 1018 1.41      
26 A 1004 966 1.34      
27 A 979 942 6.16      
28 A 906 872 0.41      
29 A 816 785 0.68      
30 A 769 740 3.66      
31 A 576 555 0.08      
32 A 544 524 1.20      
33 A 398 383 0.24      
34 A 326 314 0.69      
35 A 283 272 0.13      
36 A 222 214 0.12      
37 A 209 201 2.12      
38 A 166 160 5.51      
39 A 86 83 1.53      

Unscaled Zero Point Vibrational Energy (zpe) 28842.4 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 27766.5 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 B3PW91/6-311G*
ABC
0.21642 0.07387 0.05898

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.519 -0.298 0.115
N2 -2.584 -0.693 -0.090
C3 -0.039 1.645 -0.149
H4 -0.144 1.689 -1.236
H5 -0.809 2.284 0.290
H6 0.934 2.060 0.121
C7 2.309 -0.419 0.075
H8 2.466 -0.373 1.158
H9 2.986 -1.179 -0.322
H10 2.618 0.540 -0.348
C11 0.864 -0.765 -0.266
H12 0.724 -0.778 -1.352
H13 0.639 -1.779 0.082
C14 -0.165 0.202 0.356
H15 -0.023 0.199 1.445

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.15382.45692.76832.68333.40283.82994.12024.61174.24662.45842.72282.61781.46332.0624
N21.15383.45643.59713.48654.47204.90285.21165.59615.35213.45313.54123.40542.61703.1157
C32.45693.45641.09321.09191.09163.13413.47264.14262.88462.57692.81113.49811.53442.1521
H42.76833.59711.09321.76781.77193.48904.09794.34253.11982.82462.61703.79102.17813.0692
H52.68333.48651.09191.76781.76524.13124.30565.17383.89733.52183.79714.31752.18022.5092
H63.40284.47201.09161.77191.76522.83493.05713.86012.31632.85253.20433.85012.17192.4767
C73.82994.90283.13413.48904.13122.83491.09501.09311.09301.52402.16292.15292.56572.7740
H84.12025.21163.47264.09794.30563.05711.09501.76291.76792.17853.08222.54312.81032.5704
H94.61175.59614.14264.34255.17383.86011.09311.76291.75872.16292.51862.45583.50673.7519
H104.24665.35212.88463.11983.89732.31631.09301.76791.75872.18792.51673.07842.89053.2104
C112.45843.45312.57692.82463.52182.85251.52402.17852.16292.18791.09581.09471.54282.1547
H122.72283.54122.81112.61703.79713.20432.16293.08222.51862.51671.09581.75122.16013.0555
H132.61783.40543.49813.79104.31753.85012.15292.54312.45583.07841.09471.75122.15472.4911
C141.46332.61701.53442.17812.18022.17192.56572.81033.50672.89051.54282.16012.15471.0984
H152.06243.11572.15213.06922.50922.47672.77402.57043.75193.21042.15473.05552.49111.0984

picture of Butanenitrile, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C14 C3 110.070 C1 C14 C11 109.705
C1 C14 H15 106.366 N2 C1 C14 179.225
C3 C14 C11 113.740 C3 C14 H15 108.515
H4 C3 H5 108.008 H4 C3 H6 108.392
H4 C3 C14 110.867 H5 C3 H6 107.886
H5 C3 C14 111.108 H6 C3 C14 110.468
C7 C11 H12 110.231 C7 C11 H13 109.508
C7 C11 C14 113.567 H8 C7 H9 107.355
H8 C7 H10 107.805 H8 C7 C11 111.520
H9 C7 H10 107.121 H9 C7 C11 110.395
H10 C7 C11 112.407 C11 C14 H15 108.156
H12 C11 H13 106.160 H12 C11 C14 108.723
H13 C11 C14 108.368
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.172      
2 N -0.276      
3 C -0.645      
4 H 0.238      
5 H 0.247      
6 H 0.241      
7 C -0.666      
8 H 0.224      
9 H 0.236      
10 H 0.231      
11 C -0.425      
12 H 0.235      
13 H 0.243      
14 C -0.313      
15 H 0.259      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.881 1.306 0.511 4.127
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.650 -3.872 -0.913
y -3.872 -37.436 -0.114
z -0.913 -0.114 -36.795
Traceless
 xyz
x -11.534 -3.872 -0.913
y -3.872 5.287 -0.114
z -0.913 -0.114 6.247
Polar
3z2-r212.495
x2-y2-11.214
xy-3.872
xz-0.913
yz-0.114


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> 198.613
(<r2>)1/2 14.093