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

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-250.658382
Energy at 298.15K-250.667850
Nuclear repulsion energy220.112324
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 mPW1PW91/aug-cc-pVDZ
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 3169 3037 14.69      
2 A 3160 3028 16.84      
3 A 3150 3019 30.73      
4 A 3141 3010 32.99      
5 A 3115 2986 3.58      
6 A 3074 2945 9.28      
7 A 3072 2944 25.10      
8 A 3059 2932 18.79      
9 A 3056 2929 1.49      
10 A 2365 2266 15.55      
11 A 1491 1429 2.60      
12 A 1487 1425 10.18      
13 A 1479 1418 7.57      
14 A 1474 1413 9.42      
15 A 1468 1407 0.35      
16 A 1401 1343 2.76      
17 A 1399 1341 6.27      
18 A 1369 1312 0.78      
19 A 1337 1281 1.47      
20 A 1308 1253 2.26      
21 A 1272 1219 1.10      
22 A 1182 1133 2.31      
23 A 1150 1102 0.22      
24 A 1112 1066 4.22      
25 A 1065 1020 2.01      
26 A 1003 962 2.02      
27 A 969 928 4.11      
28 A 910 872 0.50      
29 A 812 779 0.32      
30 A 767 735 3.46      
31 A 570 546 0.08      
32 A 540 517 1.06      
33 A 400 383 0.20      
34 A 324 311 0.76      
35 A 277 266 0.18      
36 A 220 211 0.10      
37 A 206 198 2.37      
38 A 164 157 5.93      
39 A 87 83 1.76      

Unscaled Zero Point Vibrational Energy (zpe) 28802.1 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 27601.1 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 mPW1PW91/aug-cc-pVDZ
ABC
0.21688 0.07376 0.05895

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.521 -0.293 0.114
N2 -2.592 -0.686 -0.089
C3 -0.028 1.643 -0.149
H4 -0.134 1.683 -1.239
H5 -0.797 2.286 0.294
H6 0.952 2.048 0.123
C7 2.305 -0.422 0.075
H8 2.458 -0.370 1.161
H9 2.982 -1.189 -0.318
H10 2.614 0.538 -0.357
C11 0.862 -0.768 -0.265
H12 0.719 -0.781 -1.354
H13 0.634 -1.782 0.090
C14 -0.161 0.202 0.355
H15 -0.023 0.197 1.447

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.15932.45902.76802.68463.40563.82834.11484.61164.24382.45872.72222.61941.46672.0640
N21.15933.46463.60263.49304.48164.90755.21245.60205.35503.45953.54613.41262.62603.1212
C32.45903.46461.09651.09521.09493.12393.45664.13712.87192.57332.80853.49681.53252.1537
H42.76803.60261.09651.77601.77993.47964.08604.33723.10532.82012.61023.79022.17633.0722
H52.68463.49301.09521.77601.77314.12304.28885.17023.88773.52003.79714.31672.17932.5080
H63.40564.48161.09491.77991.77312.81693.03203.84702.29692.84493.20003.84362.16862.4764
C73.82834.90753.12393.47964.12302.81691.09851.09641.09651.52292.16462.15452.55942.7723
H84.11485.21243.45664.08604.28883.03201.09851.77091.77592.17723.08522.54292.79942.5605
H94.61165.60204.13714.33725.17023.84701.09641.77091.76612.16262.52212.45563.50283.7508
H104.24385.35502.87193.10533.88772.29691.09651.77591.76612.18762.51443.08212.88483.2133
C112.45873.45952.57332.82013.52002.84491.52292.17722.16262.18761.09871.09751.54002.1550
H122.72223.54612.80852.61023.79713.20002.16463.08522.52212.51441.09871.75922.15883.0581
H132.61943.41263.49683.79024.31673.84362.15452.54292.45563.08211.09751.75922.15362.4875
C141.46672.62601.53252.17632.17932.16862.55942.79943.50282.88481.54002.15882.15361.1011
H152.06403.12122.15373.07222.50802.47642.77232.56053.75083.21332.15503.05812.48751.1011

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 110.125 C1 C14 C11 109.694
C1 C14 H15 106.117 N2 C1 C14 179.321
C3 C14 C11 113.762 C3 C14 H15 108.617
H4 C3 H5 108.255 H4 C3 H6 108.626
H4 C3 C14 110.651 H5 C3 H6 108.116
H5 C3 C14 110.970 H6 C3 C14 110.141
C7 C11 H12 110.268 C7 C11 H13 109.541
C7 C11 C14 113.357 H8 C7 H9 107.575
H8 C7 H10 108.007 H8 C7 C11 111.280
H9 C7 H10 107.296 H9 C7 C11 110.244
H10 C7 C11 112.239 C11 C14 H15 108.219
H12 C11 H13 106.465 H12 C11 C14 108.646
H13 C11 C14 108.314
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.242      
2 N -0.298      
3 C 0.676      
4 H -0.063      
5 H -0.127      
6 H -0.157      
7 C 0.491      
8 H -0.113      
9 H -0.137      
10 H -0.142      
11 C 0.723      
12 H -0.262      
13 H -0.311      
14 C 0.239      
15 H -0.277      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.068 1.347 0.527 4.317
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.328 -3.996 -0.940
y -3.996 -37.577 -0.134
z -0.940 -0.134 -36.943
Traceless
 xyz
x -12.068 -3.996 -0.940
y -3.996 5.558 -0.134
z -0.940 -0.134 6.510
Polar
3z2-r213.019
x2-y2-11.751
xy-3.996
xz-0.940
yz-0.134


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.866 0.468 0.226
y 0.468 9.349 0.094
z 0.226 0.094 8.168


<r2> (average value of r2) Å2
<r2> 198.859
(<r2>)1/2 14.102