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

using model chemistry: B1B95/6-31G

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
 hartrees
Energy at 0K-250.492669
Energy at 298.15K-250.502137
Nuclear repulsion energy219.727612
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
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 3178 3031 17.69      
2 A 3169 3022 19.21      
3 A 3158 3012 36.56      
4 A 3150 3004 36.22      
5 A 3117 2972 5.67      
6 A 3079 2936 15.50      
7 A 3072 2929 22.86      
8 A 3065 2923 19.82      
9 A 3048 2907 4.07      
10 A 2328 2221 11.49      
11 A 1554 1482 4.64      
12 A 1544 1472 14.62      
13 A 1541 1470 9.91      
14 A 1535 1464 12.29      
15 A 1529 1458 0.89      
16 A 1460 1392 7.15      
17 A 1449 1382 8.93      
18 A 1407 1342 0.44      
19 A 1363 1300 0.98      
20 A 1348 1285 1.10      
21 A 1311 1250 0.27      
22 A 1212 1156 2.51      
23 A 1165 1111 0.25      
24 A 1145 1092 9.91      
25 A 1076 1026 1.56      
26 A 1020 973 1.51      
27 A 1004 957 9.50      
28 A 919 877 0.38      
29 A 832 794 1.72      
30 A 783 747 4.18      
31 A 567 541 0.48      
32 A 542 517 1.42      
33 A 402 383 0.47      
34 A 320 305 0.30      
35 A 291 277 0.19      
36 A 214 204 0.22      
37 A 203 194 1.77      
38 A 162 155 4.55      
39 A 81 78 1.38      

Unscaled Zero Point Vibrational Energy (zpe) 29170.1 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 27819.5 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
ABC
0.21762 0.07324 0.05870

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.527 -0.285 0.117
N2 -2.612 -0.672 -0.090
C3 -0.010 1.640 -0.150
H4 -0.116 1.677 -1.238
H5 -0.764 2.295 0.291
H6 0.976 2.028 0.116
C7 2.306 -0.424 0.077
H8 2.453 -0.380 1.161
H9 2.989 -1.180 -0.320
H10 2.603 0.540 -0.344
C11 0.861 -0.777 -0.269
H12 0.721 -0.779 -1.356
H13 0.635 -1.790 0.078
C14 -0.165 0.197 0.358
H15 -0.010 0.193 1.447

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.17042.46532.77012.69583.40743.83524.11564.62414.23622.46802.73252.63491.46462.0734
N21.17043.48133.61433.51594.49454.92655.22515.62815.35953.47873.56683.43832.63503.1435
C32.46533.48131.09341.09211.09183.11043.44474.11972.84132.57132.79993.49791.53822.1548
H42.77013.61431.09341.77141.77383.46564.07284.31803.07972.81292.59733.78402.17763.0691
H52.69583.51591.09211.77141.76894.10674.27365.15103.84963.51973.79034.32362.18332.5145
H63.40744.49451.09181.77381.76892.79003.01233.81212.25222.83293.17933.83342.17092.4714
C73.83524.92653.11043.46564.10672.79001.09521.09311.09331.52702.16602.15772.56292.7601
H84.11565.22513.44474.07284.27363.01231.09521.76671.77052.17693.08192.54282.79822.5444
H94.62415.62814.11974.31805.15103.81211.09311.76671.76282.16652.52552.46373.50723.7412
H104.23625.35952.84133.07973.84962.25221.09331.77051.76282.18472.51103.07872.87593.1860
C112.46803.47872.57132.81293.51972.83291.52702.17692.16652.18471.09611.09511.54692.1547
H122.73253.56682.79992.59733.79033.17932.16603.08192.52552.51101.09611.75742.16263.0555
H132.63493.43833.49793.78404.32363.83342.15772.54282.46373.07871.09511.75742.16032.4947
C141.46462.63501.53822.17762.18332.17092.56292.79823.50722.87591.54692.16262.16031.0992
H152.07343.14352.15483.06912.51452.47142.76012.54443.74123.18602.15473.05552.49471.0992

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 110.343 C1 C14 C11 110.044
C1 C14 H15 107.079 N2 C1 C14 179.297
C3 C14 C11 112.909 C3 C14 H15 108.420
H4 C3 H5 108.302 H4 C3 H6 108.536
H4 C3 C14 110.542 H5 C3 H6 108.196
H5 C3 C14 111.076 H6 C3 C14 110.108
C7 C11 H12 110.248 C7 C11 H13 109.652
C7 C11 C14 112.971 H8 C7 H9 107.670
H8 C7 H10 107.996 H8 C7 C11 111.165
H9 C7 H10 107.460 H9 C7 C11 110.459
H10 C7 C11 111.912 C11 C14 H15 107.831
H12 C11 H13 106.651 H12 C11 C14 108.617
H13 C11 C14 108.489
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.140      
2 N -0.292      
3 C -0.446      
4 H 0.174      
5 H 0.178      
6 H 0.170      
7 C -0.465      
8 H 0.157      
9 H 0.167      
10 H 0.161      
11 C -0.280      
12 H 0.170      
13 H 0.176      
14 C -0.215      
15 H 0.205      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.901 1.276 0.508 4.136
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.565 -3.833 -0.933
y -3.833 -37.009 -0.137
z -0.933 -0.137 -36.540
Traceless
 xyz
x -11.791 -3.833 -0.933
y -3.833 5.544 -0.137
z -0.933 -0.137 6.247
Polar
3z2-r212.494
x2-y2-11.556
xy-3.833
xz-0.933
yz-0.137


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.972 0.516 0.282
y 0.516 7.451 0.114
z 0.282 0.114 6.586


<r2> (average value of r2) Å2
<r2> 199.100
(<r2>)1/2 14.110