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

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-250.578447
Energy at 298.15K-250.587719
Nuclear repulsion energy217.924421
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 BLYP/6-31G(2df,p)
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 3056 3039 18.46      
2 A 3048 3032 19.39      
3 A 3037 3020 36.42      
4 A 3029 3012 34.00      
5 A 2998 2981 6.17      
6 A 2979 2962 13.56      
7 A 2967 2951 32.59      
8 A 2963 2947 6.93      
9 A 2935 2919 5.35      
10 A 2253 2241 7.83      
11 A 1474 1466 1.98      
12 A 1469 1461 5.19      
13 A 1463 1455 3.98      
14 A 1457 1449 6.00      
15 A 1447 1439 0.14      
16 A 1379 1372 0.55      
17 A 1369 1362 2.28      
18 A 1335 1328 1.80      
19 A 1303 1296 1.28      
20 A 1279 1272 4.99      
21 A 1248 1241 1.90      
22 A 1151 1144 2.15      
23 A 1092 1086 0.18      
24 A 1084 1078 4.36      
25 A 1004 998 0.98      
26 A 959 953 0.48      
27 A 947 941 4.57      
28 A 864 859 0.37      
29 A 788 783 0.71      
30 A 742 738 2.36      
31 A 551 548 0.07      
32 A 522 519 0.96      
33 A 383 381 0.16      
34 A 319 317 0.72      
35 A 267 265 0.14      
36 A 216 215 0.29      
37 A 203 202 1.96      
38 A 162 161 5.12      
39 A 81 80 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 27909.6 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 27756.1 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 BLYP/6-31G(2df,p)
ABC
0.21049 0.07234 0.05768

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.530 -0.307 0.118
N2 -2.606 -0.717 -0.082
C3 -0.055 1.671 -0.149
H4 -0.185 1.719 -1.241
H5 -0.823 2.305 0.315
H6 0.931 2.085 0.104
C7 2.338 -0.428 0.089
H8 2.480 -0.430 1.182
H9 3.021 -1.177 -0.338
H10 2.651 0.557 -0.291
C11 0.880 -0.760 -0.287
H12 0.753 -0.740 -1.382
H13 0.643 -1.788 0.034
C14 -0.169 0.205 0.354
H15 -0.012 0.200 1.448

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.16862.48242.78602.71403.43263.86974.15104.65624.28912.48522.76612.63081.47362.0818
N21.16863.49533.62493.53144.51664.95545.24915.65245.41363.49253.60283.42352.64223.1486
C32.48243.49531.10061.09931.09903.19153.55174.19682.92982.60862.82633.53331.55432.1724
H42.78603.62491.10061.78161.78573.56934.19444.41413.20892.86212.63573.82202.19913.0938
H52.71403.53141.09931.78161.78104.18484.37575.22853.93633.55833.82664.35692.20042.5250
H63.43264.51661.09901.78571.78102.87943.14443.89942.33392.87253.19693.88392.19262.5003
C73.86974.95543.19153.56934.18482.87941.10251.10061.10071.54182.18432.17342.59862.7861
H84.15105.24913.55174.19444.37573.14441.10251.77791.78082.19723.10702.55642.84722.5842
H94.65625.65244.19684.41415.22853.89941.10061.77791.77402.18242.53502.48333.54493.7799
H104.28915.41362.92983.20893.93632.33391.10071.78081.77402.20752.54483.10392.91393.2003
C112.48523.49252.60862.86213.55832.87251.54182.19722.18242.20751.10311.10191.56252.1743
H122.76613.60282.82632.63573.82663.19692.18433.10702.53502.54481.10311.76522.18113.0793
H132.63083.42353.53333.82204.35693.88392.17342.55642.48333.10391.10191.76522.17522.5257
C141.47362.64221.55432.19912.20042.19262.59862.84723.54492.91391.56252.18112.17521.1059
H152.08183.14862.17243.09382.52502.50032.78612.58423.77993.20032.17433.07932.52571.1059

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 110.111 C1 C14 C11 109.843
C1 C14 H15 106.752 N2 C1 C14 179.371
C3 C14 C11 113.637 C3 C14 H15 108.315
H4 C3 H5 108.162 H4 C3 H6 108.543
H4 C3 C14 110.688 H5 C3 H6 108.224
H5 C3 C14 110.870 H6 C3 C14 110.270
C7 C11 H12 110.253 C7 C11 H13 109.469
C7 C11 C14 113.668 H8 C7 H9 107.601
H8 C7 H10 107.856 H8 C7 C11 111.301
H9 C7 H10 107.395 H9 C7 C11 110.248
H10 C7 C11 112.241 C11 C14 H15 107.915
H12 C11 H13 106.371 H12 C11 C14 108.593
H13 C11 C14 108.211
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.285      
2 N -0.343      
3 C -0.354      
4 H 0.121      
5 H 0.122      
6 H 0.113      
7 C -0.360      
8 H 0.106      
9 H 0.109      
10 H 0.112      
11 C -0.129      
12 H 0.100      
13 H 0.103      
14 C -0.090      
15 H 0.104      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.755 1.293 0.460 3.998
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.111 -3.859 -0.852
y -3.859 -37.246 -0.118
z -0.852 -0.118 -36.562
Traceless
 xyz
x -11.207 -3.859 -0.852
y -3.859 5.091 -0.118
z -0.852 -0.118 6.116
Polar
3z2-r212.232
x2-y2-10.865
xy-3.859
xz-0.852
yz-0.118


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.845 0.464 0.222
y 0.464 8.283 0.104
z 0.222 0.104 7.140


<r2> (average value of r2) Å2
<r2> 202.304
(<r2>)1/2 14.223