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

using model chemistry: B3LYP/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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-43.551409
Energy at 298.15K-43.560694
Nuclear repulsion energy119.001930
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/CEP-31G*
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 3138 3030 32.29      
2 A 3134 3027 38.99      
3 A 3123 3016 74.60      
4 A 3113 3007 49.10      
5 A 3094 2988 3.72      
6 A 3059 2954 14.18      
7 A 3057 2952 34.63      
8 A 3051 2947 4.90      
9 A 3044 2940 26.10      
10 A 2332 2252 17.95      
11 A 1512 1460 2.98      
12 A 1505 1454 11.76      
13 A 1500 1448 6.87      
14 A 1495 1444 11.08      
15 A 1486 1435 0.14      
16 A 1415 1366 2.13      
17 A 1411 1363 4.36      
18 A 1372 1325 1.04      
19 A 1336 1290 1.32      
20 A 1306 1261 3.32      
21 A 1270 1226 1.72      
22 A 1172 1132 2.81      
23 A 1130 1092 0.22      
24 A 1103 1065 7.91      
25 A 1036 1000 1.71      
26 A 985 952 0.58      
27 A 963 930 7.56      
28 A 886 855 0.16      
29 A 799 771 1.18      
30 A 752 726 4.86      
31 A 549 531 0.49      
32 A 521 503 1.62      
33 A 385 372 0.26      
34 A 315 304 0.23      
35 A 276 267 0.06      
36 A 218 211 0.06      
37 A 199 192 1.82      
38 A 159 154 4.68      
39 A 82 79 1.59      

Unscaled Zero Point Vibrational Energy (zpe) 28640.9 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 27658.5 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 B3LYP/CEP-31G*
ABC
0.21133 0.07165 0.05736

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.599 -0.353 0.128
N2 -2.681 -0.773 -0.087
C3 -0.144 1.643 -0.147
H4 -0.272 1.673 -1.242
H5 -0.927 2.267 0.311
H6 0.836 2.080 0.104
C7 2.284 -0.400 0.078
H8 2.433 -0.378 1.173
H9 2.981 -1.145 -0.340
H10 2.569 0.585 -0.326
C11 0.824 -0.774 -0.280
H12 0.684 -0.762 -1.375
H13 0.618 -1.805 0.056
C14 -0.226 0.179 0.372
H15 -0.078 0.175 1.467

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.17982.48552.78292.71153.44263.88334.16494.67204.29702.49352.76422.65121.49302.0936
N21.17983.50353.62193.53194.53234.98105.28095.68005.42833.51053.60333.45972.67273.1754
C32.48553.50351.10291.10201.10183.18063.52994.19242.91722.60722.82453.53661.55532.1826
H42.78293.62191.10291.78731.79013.54624.16584.39833.17782.84962.62033.81802.20033.1018
H52.71153.53191.10201.78731.78554.18104.36195.22963.93213.55963.82364.36302.20402.5366
H63.44264.53231.10181.79011.78552.87183.11943.89882.32842.88003.20753.89112.19402.5148
C73.88334.98103.18063.54624.18102.87181.10511.10311.10311.54832.19092.17862.59202.7997
H84.16495.28093.52994.16584.36193.11941.10511.78321.78672.20333.11382.56412.83142.5877
H94.67205.68004.19244.39835.22963.89881.10311.78321.77932.18942.54832.48523.54213.7908
H104.29705.42832.91723.17783.93212.32841.10311.78671.77932.21292.54393.10922.90953.2239
C112.49353.51052.60722.84963.55962.88001.54832.20332.18942.21291.10391.10341.56112.1835
H122.76423.60332.82452.62033.82363.20752.19093.11382.54832.54391.10391.77212.18343.0881
H132.65123.45973.53663.81804.36303.89112.17862.56412.48523.10921.10341.77212.17882.5284
C141.49302.67271.55532.20032.20402.19402.59202.83143.54212.90951.56112.18342.17881.1045
H152.09363.17542.18263.10182.53662.51482.79972.58773.79083.22392.18353.08812.52841.1045

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 109.232 C1 C14 C11 109.440
C1 C14 H15 106.463 N2 C1 C14 178.922
C3 C14 C11 113.562 C3 C14 H15 109.109
H4 C3 H5 108.309 H4 C3 H6 108.575
H4 C3 C14 110.580 H5 C3 H6 108.232
H5 C3 C14 110.921 H6 C3 C14 110.147
C7 C11 H12 110.264 C7 C11 H13 109.338
C7 C11 C14 112.938 H8 C7 H9 107.711
H8 C7 H10 108.019 H8 C7 C11 111.169
H9 C7 H10 107.515 H9 C7 C11 110.196
H10 C7 C11 112.056 C11 C14 H15 108.791
H12 C11 H13 106.804 H12 C11 C14 108.810
H13 C11 C14 108.486
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.627      
2 N 0.369      
3 C -0.538      
4 H 0.163      
5 H 0.186      
6 H 0.174      
7 C -0.426      
8 H 0.137      
9 H 0.189      
10 H 0.140      
11 C -0.294      
12 H 0.150      
13 H 0.165      
14 C 0.049      
15 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.988 1.418 0.525 4.265
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.038 -4.290 -0.867
y -4.290 -37.280 -0.128
z -0.867 -0.128 -36.191
Traceless
 xyz
x -12.303 -4.290 -0.867
y -4.290 5.335 -0.128
z -0.867 -0.128 6.968
Polar
3z2-r213.936
x2-y2-11.758
xy-4.290
xz-0.867
yz-0.128


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.565 0.588 0.271
y 0.588 7.880 0.080
z 0.271 0.080 6.730


<r2> (average value of r2) Å2
<r2> 163.181
(<r2>)1/2 12.774