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

using model chemistry: B1B95/6-31G(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 B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-250.578696
Energy at 298.15K-250.588099
Nuclear repulsion energy220.741835
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 B1B95/6-31G(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 3164 3030 13.23      
2 A 3157 3023 14.01      
3 A 3147 3014 25.59      
4 A 3139 3006 29.61      
5 A 3109 2977 3.96      
6 A 3070 2940 11.57      
7 A 3066 2936 21.77      
8 A 3057 2928 13.77      
9 A 3047 2918 2.83      
10 A 2376 2276 11.37      
11 A 1502 1438 2.23      
12 A 1497 1433 7.43      
13 A 1493 1429 5.47      
14 A 1486 1423 9.48      
15 A 1476 1414 0.38      
16 A 1404 1344 2.14      
17 A 1399 1340 4.64      
18 A 1370 1312 0.23      
19 A 1338 1281 1.41      
20 A 1307 1251 3.24      
21 A 1273 1219 1.58      
22 A 1181 1131 2.20      
23 A 1144 1096 0.17      
24 A 1111 1064 4.48      
25 A 1058 1013 1.34      
26 A 997 954 1.93      
27 A 966 925 4.16      
28 A 906 867 0.43      
29 A 810 776 0.33      
30 A 764 732 3.48      
31 A 571 547 0.14      
32 A 541 518 1.16      
33 A 390 373 0.29      
34 A 322 309 0.92      
35 A 276 265 0.11      
36 A 216 207 0.15      
37 A 204 195 2.44      
38 A 162 156 5.61      
39 A 83 79 1.52      

Unscaled Zero Point Vibrational Energy (zpe) 28786.8 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 27569.1 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 B1B95/6-31G(2df,p)
ABC
0.21832 0.07415 0.05929

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.518 -0.291 0.114
N2 -2.586 -0.680 -0.090
C3 -0.025 1.638 -0.149
H4 -0.133 1.675 -1.235
H5 -0.787 2.281 0.291
H6 0.954 2.037 0.116
C7 2.299 -0.420 0.074
H8 2.452 -0.376 1.156
H9 2.979 -1.174 -0.326
H10 2.596 0.544 -0.345
C11 0.858 -0.770 -0.265
H12 0.715 -0.779 -1.350
H13 0.632 -1.780 0.085
C14 -0.163 0.199 0.357
H15 -0.019 0.195 1.444

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.15452.45302.75732.67973.39593.81964.10564.60424.22262.45352.71432.61561.46162.0624
N21.15453.45433.58803.48564.46744.89445.19845.59175.33003.44933.53423.40472.61613.1159
C32.45303.45431.09191.09041.09043.11173.44894.11812.84642.56692.79773.48831.53132.1491
H42.75733.58801.09191.76801.77163.46634.07524.31573.08472.81062.59853.77692.17123.0628
H52.67973.48561.09041.76801.76724.10674.27805.14803.85563.51073.78324.30722.17502.5040
H63.39594.46741.09041.77161.76722.80093.02483.82152.26622.83433.18353.83122.16442.4705
C73.81964.89443.11173.46634.10672.80091.09361.09151.09191.52132.16022.15232.55382.7618
H84.10565.19843.44894.07524.27803.02481.09361.76391.76682.17163.07572.53652.79382.5523
H94.60425.59174.11814.31575.14803.82151.09151.76391.75992.16012.51612.45933.49583.7411
H104.22265.33002.84643.08473.85562.26621.09191.76681.75992.17982.50903.07322.86703.1872
C112.45353.44932.56692.81063.51072.83431.52132.17162.16012.17981.09431.09301.53852.1499
H122.71433.53422.79772.59853.78323.18352.16023.07572.51612.50901.09431.75172.15383.0486
H132.61563.40473.48833.77694.30723.83122.15232.53652.45933.07321.09301.75172.14992.4849
C141.46162.61611.53132.17122.17502.16442.55382.79383.49582.86701.53852.15382.14991.0967
H152.06243.11592.14913.06282.50402.47052.76182.55233.74113.18722.14993.04862.48491.0967

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 110.065 C1 C14 C11 109.702
C1 C14 H15 106.576 N2 C1 C14 179.364
C3 C14 C11 113.475 C3 C14 H15 108.597
H4 C3 H5 108.212 H4 C3 H6 108.537
H4 C3 C14 110.608 H5 C3 H6 108.252
H5 C3 C14 110.993 H6 C3 C14 110.158
C7 C11 H12 110.293 C7 C11 H13 109.742
C7 C11 C14 113.156 H8 C7 H9 107.647
H8 C7 H10 107.884 H8 C7 C11 111.239
H9 C7 H10 107.423 H9 C7 C11 110.450
H10 C7 C11 112.010 C11 C14 H15 108.170
H12 C11 H13 106.418 H12 C11 C14 108.611
H13 C11 C14 108.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.288      
2 N -0.338      
3 C -0.412      
4 H 0.148      
5 H 0.151      
6 H 0.139      
7 C -0.421      
8 H 0.131      
9 H 0.138      
10 H 0.135      
11 C -0.201      
12 H 0.132      
13 H 0.136      
14 C -0.169      
15 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.831 1.265 0.495 4.064
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.763 -3.745 -0.885
y -3.745 -36.713 -0.119
z -0.885 -0.119 -36.100
Traceless
 xyz
x -11.356 -3.745 -0.885
y -3.745 5.218 -0.119
z -0.885 -0.119 6.138
Polar
3z2-r212.276
x2-y2-11.049
xy-3.745
xz-0.885
yz-0.119


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.414 0.430 0.227
y 0.430 8.007 0.097
z 0.227 0.097 6.980


<r2> (average value of r2) Å2
<r2> 197.167
(<r2>)1/2 14.042