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

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-250.612372
Energy at 298.15K-250.621804
Nuclear repulsion energy220.956179
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 B1B95/6-311G*
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 3153 3022 19.27      
2 A 3145 3014 22.15      
3 A 3134 3005 40.73      
4 A 3125 2996 41.35      
5 A 3099 2971 3.95      
6 A 3067 2940 13.36      
7 A 3063 2936 28.06      
8 A 3052 2926 18.83      
9 A 3045 2919 3.21      
10 A 2372 2274 11.28      
11 A 1523 1460 2.91      
12 A 1515 1453 12.76      
13 A 1512 1450 9.23      
14 A 1507 1444 12.32      
15 A 1495 1434 0.44      
16 A 1421 1362 4.71      
17 A 1416 1358 6.97      
18 A 1385 1327 0.48      
19 A 1352 1296 0.99      
20 A 1325 1270 1.62      
21 A 1286 1233 0.63      
22 A 1187 1138 2.22      
23 A 1149 1101 0.24      
24 A 1120 1074 5.80      
25 A 1061 1017 1.42      
26 A 1004 963 1.69      
27 A 975 935 5.33      
28 A 908 870 0.39      
29 A 814 781 0.55      
30 A 768 736 3.58      
31 A 574 550 0.05      
32 A 543 520 1.13      
33 A 394 378 0.28      
34 A 320 306 0.76      
35 A 281 269 0.10      
36 A 215 206 0.27      
37 A 204 195 2.05      
38 A 163 156 5.39      
39 A 88 84 1.49      

Unscaled Zero Point Vibrational Energy (zpe) 28879.0 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 27683.4 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 B1B95/6-311G*
ABC
0.21953 0.07425 0.05941

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.521 -0.286 0.114
N2 -2.586 -0.669 -0.098
C3 -0.014 1.631 -0.149
H4 -0.099 1.666 -1.237
H5 -0.781 2.282 0.270
H6 0.958 2.034 0.133
C7 2.295 -0.416 0.064
H8 2.459 -0.328 1.142
H9 2.974 -1.184 -0.307
H10 2.592 0.528 -0.396
C11 0.853 -0.780 -0.250
H12 0.699 -0.814 -1.333
H13 0.636 -1.784 0.122
C14 -0.165 0.197 0.362
H15 -0.028 0.198 1.449

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.15192.45252.76672.67633.39503.81844.11044.60314.22332.45212.70202.62591.46072.0603
N21.15193.45113.59653.47834.46334.89055.20635.58805.32293.44463.51283.41672.61253.1128
C32.45253.45111.09121.08961.08963.09353.40894.10882.84102.56432.80883.48691.52992.1474
H42.76673.59651.09121.76511.76873.42884.02144.29293.04012.80342.60683.77922.17153.0618
H52.67633.47831.08961.76511.76274.09664.25055.14283.86003.50913.78734.30772.17562.5101
H63.39504.46331.08961.76871.76272.79122.97403.82242.28392.84113.21303.83072.16472.4651
C73.81844.89053.09353.42884.09662.79121.09301.09071.09101.52002.15802.15082.55242.7731
H84.11045.20633.40894.02144.25052.97401.09301.76021.76452.17263.07482.54622.78692.5602
H94.60315.58804.10884.29295.14283.82241.09071.76021.75612.15982.52252.45143.49403.7425
H104.22335.32292.84103.04013.86002.28391.09101.76451.75612.18012.50183.07152.87793.2215
C112.45213.44462.56432.80343.50912.84111.52002.17262.15982.18011.09361.09241.53792.1495
H122.70203.51282.80882.60683.78733.21302.15803.07482.52252.50181.09361.74882.15403.0481
H132.62593.41673.48693.77924.30773.83072.15082.54622.45143.07151.09241.74882.15002.4756
C141.46072.61251.52992.17152.17562.16472.55242.78693.49402.87791.53792.15402.15001.0962
H152.06033.11282.14743.06182.51012.46512.77312.56023.74253.22152.14953.04812.47561.0962

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 110.166 C1 C14 C11 109.695
C1 C14 H15 106.505 N2 C1 C14 179.134
C3 C14 C11 113.416 C3 C14 H15 108.590
H4 C3 H5 108.072 H4 C3 H6 108.399
H4 C3 C14 110.772 H5 C3 H6 107.974
H5 C3 C14 111.193 H6 C3 C14 110.326
C7 C11 H12 110.250 C7 C11 H13 109.754
C7 C11 C14 113.163 H8 C7 H9 107.419
H8 C7 H10 107.791 H8 C7 C11 111.449
H9 C7 H10 107.209 H9 C7 C11 110.565
H10 C7 C11 112.184 C11 C14 H15 108.211
H12 C11 H13 106.261 H12 C11 C14 108.700
H13 C11 C14 108.462
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.160      
2 N -0.258      
3 C -0.641      
4 H 0.236      
5 H 0.245      
6 H 0.239      
7 C -0.662      
8 H 0.222      
9 H 0.234      
10 H 0.229      
11 C -0.423      
12 H 0.235      
13 H 0.242      
14 C -0.318      
15 H 0.260      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.845 1.245 0.526 4.076
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.590 -3.731 -0.941
y -3.731 -37.408 -0.117
z -0.941 -0.117 -36.832
Traceless
 xyz
x -11.470 -3.731 -0.941
y -3.731 5.303 -0.117
z -0.941 -0.117 6.167
Polar
3z2-r212.335
x2-y2-11.182
xy-3.731
xz-0.941
yz-0.117


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.565 0.455 0.259
y 0.455 8.167 0.121
z 0.259 0.121 7.147


<r2> (average value of r2) Å2
<r2> 197.343
(<r2>)1/2 14.048