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

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 C1 1A
Energy calculated at B1B95/CEP-31G*
 hartrees
Energy at 0K-43.477459
Energy at 298.15K-43.486695
Nuclear repulsion energy119.591515
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 3179 3043 23.50      
2 A 3176 3040 28.01      
3 A 3166 3031 55.77      
4 A 3158 3023 41.20      
5 A 3137 3003 4.38      
6 A 3093 2961 19.57      
7 A 3088 2956 27.50      
8 A 3086 2954 0.24      
9 A 3076 2944 23.59      
10 A 2358 2257 21.30      
11 A 1500 1436 3.92      
12 A 1495 1431 11.14      
13 A 1493 1429 7.87      
14 A 1487 1423 14.38      
15 A 1478 1415 0.38      
16 A 1408 1348 3.52      
17 A 1403 1343 6.46      
18 A 1369 1311 0.98      
19 A 1332 1275 1.24      
20 A 1300 1245 1.54      
21 A 1262 1208 0.96      
22 A 1168 1118 2.42      
23 A 1146 1097 0.28      
24 A 1100 1053 6.15      
25 A 1056 1011 2.01      
26 A 996 953 2.49      
27 A 961 920 7.45      
28 A 902 863 0.67      
29 A 805 771 0.59      
30 A 753 721 5.85      
31 A 552 529 0.22      
32 A 527 504 1.26      
33 A 381 364 0.30      
34 A 310 297 0.32      
35 A 254 244 0.04      
36 A 211 202 0.08      
37 A 195 187 1.98      
38 A 156 149 4.74      
39 A 79 75 1.52      

Unscaled Zero Point Vibrational Energy (zpe) 28796.4 cm-1
Scaled (by 0.9572) Zero Point Vibrational Energy (zpe) 27564.0 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
0.21544 0.07233 0.05804

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.535 -0.289 0.121
N2 -2.627 -0.675 -0.100
C3 -0.018 1.645 -0.154
H4 -0.127 1.672 -1.249
H5 -0.785 2.300 0.286
H6 0.970 2.051 0.109
C7 2.323 -0.420 0.068
H8 2.483 -0.361 1.157
H9 3.009 -1.183 -0.331
H10 2.613 0.548 -0.371
C11 0.864 -0.785 -0.262
H12 0.712 -0.800 -1.353
H13 0.646 -1.801 0.104
C14 -0.155 0.198 0.373
H15 -0.015 0.197 1.467

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.17922.47312.77542.69993.42743.86004.14954.65254.25942.47922.73572.65361.48492.0867
N21.17923.49173.61613.51994.51784.95885.27125.66285.38693.49623.56843.46682.66403.1676
C32.47313.49171.10091.09991.10003.12953.46384.14652.85892.58732.82023.51871.54562.1730
H42.77543.61611.10091.78371.78623.48044.09094.33943.08922.82702.61323.80612.19123.0920
H52.69993.51991.09991.78371.78204.13574.30335.18693.87913.54023.81304.34682.19562.5313
H63.42744.51781.10001.78621.78202.81673.03353.84762.27732.86113.21413.86462.18302.5000
C73.86004.95883.12953.48044.13572.81671.10291.10081.10121.53932.18122.17222.57162.7936
H84.14955.27123.46384.09094.30333.03351.10291.77961.78272.19413.10342.56062.80802.5783
H94.65255.66284.14654.33945.18693.84761.10081.77961.77592.18242.54282.48023.52283.7789
H104.25945.38692.85893.08923.87912.27731.10121.78271.77592.20092.52853.09942.88673.2258
C112.47923.49622.58732.82703.54022.86111.53932.19412.18242.20091.10191.10151.55142.1737
H122.73573.56842.82022.61323.81303.21412.18123.10342.54282.52851.10191.76832.17423.0782
H132.65363.46683.51873.80614.34683.86462.17222.56062.48023.09941.10151.76832.17022.5073
C141.48492.66401.54562.19122.19562.18302.57162.80803.52282.88671.55142.17422.17021.1028
H152.08673.16762.17303.09202.53132.50002.79362.57833.77893.22582.17373.07822.50731.1028

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 109.368 C1 C14 C11 109.459
C1 C14 H15 106.556 N2 C1 C14 178.930
C3 C14 C11 113.322 C3 C14 H15 109.122
H4 C3 H5 108.285 H4 C3 H6 108.506
H4 C3 C14 110.653 H5 C3 H6 108.196
H5 C3 C14 111.058 H6 C3 C14 110.059
C7 C11 H12 110.253 C7 C11 H13 109.569
C7 C11 C14 112.617 H8 C7 H9 107.716
H8 C7 H10 107.965 H8 C7 C11 111.210
H9 C7 H10 107.512 H9 C7 C11 110.407
H10 C7 C11 111.857 C11 C14 H15 108.789
H12 C11 H13 106.746 H12 C11 C14 108.880
H13 C11 C14 108.590
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 -0.647      
2 N 0.383      
3 C -0.528      
4 H 0.161      
5 H 0.184      
6 H 0.171      
7 C -0.400      
8 H 0.132      
9 H 0.188      
10 H 0.134      
11 C -0.303      
12 H 0.149      
13 H 0.164      
14 C 0.047      
15 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.975 1.282 0.547 4.212
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.267 -3.762 -0.892
y -3.762 -36.665 -0.116
z -0.892 -0.116 -35.840
Traceless
 xyz
x -12.015 -3.762 -0.892
y -3.762 5.389 -0.116
z -0.892 -0.116 6.626
Polar
3z2-r213.253
x2-y2-11.603
xy-3.762
xz-0.892
yz-0.116


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.362 0.520 0.285
y 0.520 7.680 0.070
z 0.285 0.070 6.631


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