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

using model chemistry: HF/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-249.114418
Energy at 298.15K-249.124253
Nuclear repulsion energy221.149182
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/6-311+G(3df,2p)
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 3252 2955 29.11      
2 A 3240 2943 33.52      
3 A 3230 2935 60.41      
4 A 3219 2925 44.99      
5 A 3199 2907 3.61      
6 A 3179 2888 7.40      
7 A 3174 2884 13.67      
8 A 3166 2877 11.87      
9 A 3159 2870 26.83      
10 A 2574 2339 22.53      
11 A 1628 1479 1.82      
12 A 1626 1477 8.75      
13 A 1617 1469 5.37      
14 A 1613 1465 8.12      
15 A 1607 1460 0.29      
16 A 1544 1403 3.70      
17 A 1543 1402 1.10      
18 A 1509 1371 1.15      
19 A 1467 1333 2.14      
20 A 1434 1303 4.79      
21 A 1393 1266 1.43      
22 A 1288 1170 2.44      
23 A 1228 1115 0.17      
24 A 1208 1098 6.87      
25 A 1108 1006 1.86      
26 A 1066 968 0.18      
27 A 1041 945 2.85      
28 A 948 862 0.53      
29 A 866 787 1.08      
30 A 816 742 2.75      
31 A 626 569 0.41      
32 A 584 530 1.84      
33 A 422 384 0.34      
34 A 353 321 1.83      
35 A 298 271 0.34      
36 A 231 210 0.10      
37 A 225 205 3.22      
38 A 183 166 7.72      
39 A 94 86 1.88      

Unscaled Zero Point Vibrational Energy (zpe) 30478.9 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 27693.1 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/6-311+G(3df,2p)
ABC
0.21640 0.07433 0.05925

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.522 -0.313 0.111
N2 -2.559 -0.707 -0.083
C3 -0.063 1.649 -0.147
H4 -0.174 1.689 -1.224
H5 -0.837 2.262 0.295
H6 0.895 2.075 0.116
C7 2.313 -0.415 0.082
H8 2.456 -0.391 1.157
H9 2.980 -1.166 -0.322
H10 2.621 0.543 -0.318
C11 0.868 -0.751 -0.276
H12 0.740 -0.743 -1.353
H13 0.645 -1.759 0.054
C14 -0.160 0.204 0.355
H15 -0.026 0.197 1.431

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.12722.45822.75842.67023.39713.83584.11354.60234.25192.46052.72852.60551.47602.0584
N21.12723.43323.56883.45294.43984.88395.17625.56385.33453.43363.53573.37552.60323.0865
C32.45823.43321.08311.08191.08093.15553.49444.14932.90842.57782.79663.48661.53302.1453
H42.75843.56881.08311.75371.75703.50954.11284.34913.15392.81812.60163.76762.16793.0496
H52.67023.45291.08191.75371.75114.13924.31605.16763.91063.50893.77264.29202.16722.4925
H63.39714.43981.08091.75701.75112.86583.09913.87912.34922.85353.18203.84272.16152.4709
C73.83584.88393.15553.50954.13922.86581.08501.08301.08261.52562.15412.14222.56412.7689
H84.11355.17623.49444.11284.31603.09911.08501.75021.75402.16873.06092.52332.80072.5658
H94.60235.56384.14934.34915.16763.87911.08301.75021.74602.15262.50192.43843.49263.7377
H104.25195.33452.90843.15393.91062.34921.08261.75401.74602.17892.50243.05632.88193.1922
C112.46053.43362.57782.81813.50892.85351.52562.16872.15262.17891.08491.08371.53882.1478
H122.72853.53572.79662.60163.77263.18202.15413.06092.50192.50241.08491.73812.15033.0369
H132.60553.37553.48663.76764.29203.84272.14222.52332.43843.05631.08371.73812.14282.4844
C141.47602.60321.53302.16792.16722.16152.56412.80073.49262.88191.53882.15032.14281.0849
H152.05843.08652.14533.04962.49252.47092.76892.56583.73773.19222.14783.03692.48441.0849

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 109.544 C1 C14 C11 109.381
C1 C14 H15 105.976 N2 C1 C14 179.546
C3 C14 C11 114.104 C3 C14 H15 108.858
H4 C3 H5 108.196 H4 C3 H6 108.565
H4 C3 C14 110.744 H5 C3 H6 108.122
H5 C3 C14 110.763 H6 C3 C14 110.364
C7 C11 H12 110.069 C7 C11 H13 109.199
C7 C11 C14 113.591 H8 C7 H9 107.664
H8 C7 H10 108.035 H8 C7 C11 111.227
H9 C7 H10 107.464 H9 C7 C11 110.060
H10 C7 C11 112.208 C11 C14 H15 108.655
H12 C11 H13 106.545 H12 C11 C14 108.848
H13 C11 C14 108.336
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.118      
2 N -1.222      
3 C -0.405      
4 H 0.150      
5 H 0.137      
6 H 0.136      
7 C -0.408      
8 H 0.132      
9 H 0.124      
10 H 0.133      
11 C -0.162      
12 H 0.144      
13 H 0.130      
14 C -0.154      
15 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.200 1.471 0.549 4.484
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.017 -4.242 -0.956
y -4.242 -37.937 -0.143
z -0.956 -0.143 -37.145
Traceless
 xyz
x -12.476 -4.242 -0.956
y -4.242 5.645 -0.143
z -0.956 -0.143 6.832
Polar
3z2-r213.664
x2-y2-12.081
xy-4.242
xz-0.956
yz-0.143


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.800 0.414 0.196
y 0.414 8.667 0.080
z 0.196 0.080 7.622


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