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

using model chemistry: LSDA/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 LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-249.296301
Energy at 298.15K-249.305614
Nuclear repulsion energy221.610779
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 LSDA/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 3092 3042 5.58      
2 A 3080 3031 8.61      
3 A 3077 3028 8.65      
4 A 3063 3014 18.84      
5 A 3028 2979 3.23      
6 A 2992 2944 8.88      
7 A 2985 2937 20.75      
8 A 2979 2931 3.47      
9 A 2947 2899 2.55      
10 A 2318 2281 13.34      
11 A 1436 1414 4.53      
12 A 1428 1406 10.64      
13 A 1423 1400 8.70      
14 A 1414 1391 13.98      
15 A 1405 1382 0.93      
16 A 1340 1319 5.99      
17 A 1336 1314 9.05      
18 A 1313 1292 2.07      
19 A 1284 1263 1.52      
20 A 1252 1232 1.27      
21 A 1220 1201 0.67      
22 A 1144 1125 1.98      
23 A 1129 1111 0.25      
24 A 1080 1062 2.79      
25 A 1052 1036 2.31      
26 A 981 965 5.48      
27 A 929 915 5.68      
28 A 897 883 1.77      
29 A 798 785 0.27      
30 A 747 735 5.25      
31 A 557 548 0.16      
32 A 534 525 1.04      
33 A 387 381 0.43      
34 A 320 315 0.55      
35 A 292 287 0.08      
36 A 217 214 0.21      
37 A 197 194 2.34      
38 A 155 153 5.11      
39 A 82 81 1.53      

Unscaled Zero Point Vibrational Energy (zpe) 27954.1 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 27506.9 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 LSDA/6-31G(2df,p)
ABC
0.22243 0.07499 0.06017

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.508 -0.272 0.117
N2 -2.586 -0.652 -0.095
C3 0.006 1.615 -0.149
H4 -0.105 1.645 -1.246
H5 -0.745 2.290 0.288
H6 1.006 1.997 0.108
C7 2.271 -0.421 0.069
H8 2.430 -0.366 1.160
H9 2.969 -1.173 -0.330
H10 2.562 0.553 -0.358
C11 0.842 -0.778 -0.258
H12 0.683 -0.792 -1.352
H13 0.610 -1.797 0.098
C14 -0.161 0.193 0.360
H15 -0.008 0.188 1.459

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.16202.43422.73942.67893.38683.78244.07474.58884.17982.43332.68932.61061.44592.0653
N21.16203.44363.57173.49144.46754.86515.17805.58425.29323.43423.50553.40082.60793.1255
C32.43423.44361.10271.10031.10113.05313.39294.07242.77522.53732.77483.47411.51962.1502
H42.73943.57171.10271.78301.78673.41164.03184.26933.01472.78292.56363.76382.16603.0742
H52.67893.49141.10031.78301.78434.06104.22995.11543.79033.49723.77214.31042.17792.5166
H63.38684.46751.10111.78671.78432.72892.95223.75422.17302.80403.16493.81482.16312.4745
C73.78244.86513.05313.41164.06102.72891.10421.10101.10251.50862.16272.15712.52512.7379
H84.07475.17803.39294.03184.22992.95221.10421.77861.77992.16813.08912.54702.76822.5172
H94.58885.58424.07244.26935.11543.75421.10101.77861.77392.16442.53252.47703.48423.7303
H104.17985.29322.77523.01473.79032.17301.10251.77991.77392.17702.51503.08872.83873.1682
C112.43333.43422.53732.78293.49722.80401.50862.16812.16442.17701.10581.10391.52702.1459
H122.68933.50552.77482.56363.77213.16492.16273.08912.53252.51501.10581.76552.14853.0566
H132.61063.40083.47413.76384.31043.81482.15712.54702.47703.08871.10391.76552.15082.4857
C141.44592.60791.51962.16602.17792.16312.52512.76823.48422.83871.52702.14852.15081.1097
H152.06533.12552.15023.07422.51662.47452.73792.51723.73033.16822.14593.05662.48571.1097

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 110.309 C1 C14 C11 109.837
C1 C14 H15 107.094 N2 C1 C14 179.098
C3 C14 C11 112.778 C3 C14 H15 108.727
H4 C3 H5 108.058 H4 C3 H6 108.336
H4 C3 C14 110.367 H5 C3 H6 108.293
H5 C3 C14 111.457 H6 C3 C14 110.233
C7 C11 H12 110.684 C7 C11 H13 110.353
C7 C11 C14 112.571 H8 C7 H9 107.516
H8 C7 H10 107.526 H8 C7 C11 111.210
H9 C7 H10 107.224 H9 C7 C11 111.108
H10 C7 C11 112.031 C11 C14 H15 107.899
H12 C11 H13 106.067 H12 C11 C14 108.320
H13 C11 C14 108.603
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.247      
2 N -0.300      
3 C -0.492      
4 H 0.169      
5 H 0.173      
6 H 0.157      
7 C -0.499      
8 H 0.153      
9 H 0.161      
10 H 0.156      
11 C -0.233      
12 H 0.150      
13 H 0.155      
14 C -0.156      
15 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.850 1.208 0.505 4.067
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.826 -3.643 -0.899
y -3.643 -36.788 -0.117
z -0.899 -0.117 -36.277
Traceless
 xyz
x -11.293 -3.643 -0.899
y -3.643 5.263 -0.117
z -0.899 -0.117 6.030
Polar
3z2-r212.061
x2-y2-11.037
xy-3.643
xz-0.899
yz-0.117


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.777 0.407 0.247
y 0.407 8.219 0.104
z 0.247 0.104 7.178


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