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

using model chemistry: HF/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 HF/6-311G*
 hartrees
Energy at 0K-249.079840
Energy at 298.15K-249.089683
Nuclear repulsion energy220.900158
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 HF/6-311G*
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 3275 2962 37.01      
2 A 3265 2953 45.89      
3 A 3254 2943 81.28      
4 A 3243 2933 55.96      
5 A 3225 2916 3.02      
6 A 3206 2900 9.29      
7 A 3199 2893 11.74      
8 A 3194 2888 21.75      
9 A 3182 2877 32.85      
10 A 2587 2340 16.45      
11 A 1645 1488 1.99      
12 A 1641 1484 10.13      
13 A 1632 1476 5.88      
14 A 1630 1474 8.42      
15 A 1621 1466 0.14      
16 A 1557 1409 2.73      
17 A 1556 1407 2.36      
18 A 1520 1375 1.26      
19 A 1478 1337 1.72      
20 A 1446 1308 3.54      
21 A 1403 1269 1.16      
22 A 1293 1169 2.34      
23 A 1235 1117 0.19      
24 A 1216 1100 6.95      
25 A 1114 1008 1.74      
26 A 1074 972 0.14      
27 A 1046 946 3.02      
28 A 955 863 0.78      
29 A 871 788 1.16      
30 A 819 740 2.69      
31 A 628 568 0.15      
32 A 586 530 1.69      
33 A 425 384 0.41      
34 A 353 319 1.58      
35 A 304 275 0.30      
36 A 233 210 0.09      
37 A 226 205 2.81      
38 A 183 166 7.20      
39 A 96 87 1.75      

Unscaled Zero Point Vibrational Energy (zpe) 30706.9 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 27771.3 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 HF/6-311G*
ABC
0.21644 0.07413 0.05911

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.524 -0.310 0.111
N2 -2.566 -0.702 -0.086
C3 -0.057 1.648 -0.148
H4 -0.160 1.689 -1.226
H5 -0.833 2.267 0.287
H6 0.899 2.076 0.121
C7 2.314 -0.414 0.077
H8 2.465 -0.370 1.152
H9 2.983 -1.172 -0.315
H10 2.625 0.536 -0.341
C11 0.867 -0.757 -0.269
H12 0.734 -0.762 -1.347
H13 0.649 -1.764 0.070
C14 -0.162 0.203 0.357
H15 -0.030 0.199 1.435

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.12992.46052.76552.67423.40173.84024.12344.60834.25852.46242.72592.61431.47672.0609
N21.12993.43783.57853.45804.44644.89115.19145.57285.34203.43813.53293.38842.60663.0917
C32.46053.43781.08421.08291.08233.15083.48234.15012.90972.57942.80593.49071.53432.1462
H42.76553.57851.08421.75381.75713.49934.09754.34673.14102.82042.61213.77592.17183.0531
H52.67423.45801.08291.75381.75034.13924.31025.17153.91683.51303.78134.29942.17122.4979
H63.40174.44641.08231.75711.75032.86453.08243.88362.35832.86023.19993.84852.16612.4728
C73.84024.89113.15083.49934.13922.86451.08611.08411.08381.52702.15572.14402.56722.7772
H84.12345.19143.48234.09754.31023.08241.08611.75001.75442.17313.06512.53192.80372.5742
H94.60835.57284.15014.34675.17153.88361.08411.75001.74582.15632.50792.43863.49733.7437
H104.25855.34202.90973.14103.91682.35831.08381.75441.74582.18312.50423.06012.89203.2115
C112.46243.43812.57942.82043.51302.86021.52702.17312.15632.18311.08601.08481.54052.1501
H122.72593.53292.80592.61213.78133.19992.15573.06512.50792.50421.08601.73782.15393.0409
H132.61433.38843.49073.77594.29943.84852.14402.53192.43863.06011.08481.73782.14632.4846
C141.47672.60661.53432.17182.17122.16612.56722.80373.49732.89201.54052.15392.14631.0859
H152.06093.09172.14623.05312.49792.47282.77722.57423.74373.21152.15013.04092.48461.0859

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 109.590 C1 C14 C11 109.380
C1 C14 H15 106.070 N2 C1 C14 179.554
C3 C14 C11 114.044 C3 C14 H15 108.784
H4 C3 H5 108.053 H4 C3 H6 108.393
H4 C3 C14 110.910 H5 C3 H6 107.878
H5 C3 C14 110.935 H6 C3 C14 110.562
C7 C11 H12 110.029 C7 C11 H13 109.171
C7 C11 C14 113.627 H8 C7 H9 107.485
H8 C7 H10 107.905 H8 C7 C11 111.412
H9 C7 H10 107.277 H9 C7 C11 110.183
H10 C7 C11 112.364 C11 C14 H15 108.661
H12 C11 H13 106.364 H12 C11 C14 108.954
H13 C11 C14 108.429
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.182 0.235   0.217
2 N -0.338 -0.479   -0.463
3 C -0.605 -0.198   -0.364
4 H 0.226 0.055   0.110
5 H 0.236 0.056   0.108
6 H 0.231 0.047   0.093
7 C -0.629 -0.179   -0.214
8 H 0.211 0.036   0.053
9 H 0.225 0.056   0.070
10 H 0.218 0.039   0.056
11 C -0.396 0.107   0.010
12 H 0.222 -0.016   0.032
13 H 0.232 -0.021   0.016
14 C -0.268 0.279   0.246
15 H 0.254 -0.018   0.028


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.040 1.402 0.544 4.311
CHELPG        
AIM        
ESP 4.059 1.419 0.536 4.333


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.864 -4.092 -0.970
y -4.092 -38.062 -0.127
z -0.970 -0.127 -37.257
Traceless
 xyz
x -12.205 -4.092 -0.970
y -4.092 5.499 -0.127
z -0.970 -0.127 6.706
Polar
3z2-r213.411
x2-y2-11.803
xy-4.092
xz-0.970
yz-0.127


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.775 0.451 0.239
y 0.451 7.697 0.112
z 0.239 0.112 6.824


<r2> (average value of r2) Å2
<r2> 198.641
(<r2>)1/2 14.094