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

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-250.572132
Energy at 298.15K-250.581520
Nuclear repulsion energy220.202550
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/cc-pVDZ
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 3167 3044 12.69      
2 A 3159 3036 13.41      
3 A 3149 3027 24.01      
4 A 3140 3018 30.48      
5 A 3108 2988 5.41      
6 A 3069 2950 13.13      
7 A 3064 2945 19.89      
8 A 3056 2938 18.83      
9 A 3046 2928 3.39      
10 A 2376 2283 11.30      
11 A 1474 1417 4.14      
12 A 1471 1413 5.62      
13 A 1466 1409 5.97      
14 A 1460 1403 10.04      
15 A 1453 1397 1.64      
16 A 1393 1339 2.25      
17 A 1386 1332 4.00      
18 A 1361 1308 0.18      
19 A 1334 1282 1.59      
20 A 1299 1249 3.28      
21 A 1265 1216 2.16      
22 A 1174 1128 2.77      
23 A 1149 1104 0.21      
24 A 1107 1064 3.60      
25 A 1062 1021 2.04      
26 A 999 960 2.28      
27 A 963 926 4.60      
28 A 907 872 0.42      
29 A 811 780 0.35      
30 A 767 737 3.92      
31 A 566 544 0.06      
32 A 537 516 1.02      
33 A 390 375 0.30      
34 A 322 310 0.55      
35 A 263 252 0.17      
36 A 218 210 0.25      
37 A 203 195 1.79      
38 A 161 155 4.66      
39 A 83 80 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 28687.5 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 27574.4 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/cc-pVDZ
ABC
0.21727 0.07385 0.05904

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.519 -0.293 0.114
N2 -2.592 -0.685 -0.088
C3 -0.028 1.641 -0.148
H4 -0.146 1.684 -1.240
H5 -0.791 2.287 0.303
H6 0.958 2.045 0.111
C7 2.302 -0.423 0.076
H8 2.458 -0.388 1.165
H9 2.986 -1.179 -0.332
H10 2.606 0.549 -0.337
C11 0.862 -0.766 -0.266
H12 0.719 -0.775 -1.358
H13 0.630 -1.783 0.082
C14 -0.160 0.201 0.354
H15 -0.020 0.195 1.448

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.16042.45522.76152.68713.40573.82374.11444.61304.23432.45702.72222.61521.46542.0645
N21.16043.46203.59493.49744.48274.90395.21145.60495.34853.45923.54743.40782.62573.1220
C32.45523.46201.09881.09711.09703.12113.46744.13192.85832.56882.80343.49391.52992.1537
H42.76153.59491.09881.77811.78143.48754.10554.33933.11092.82242.60943.79072.17653.0754
H52.68713.49741.09711.77811.77634.11904.29635.16593.86983.51843.79724.31662.17962.5064
H63.40574.48271.09701.78141.77632.81053.04643.83462.27072.83773.18863.84182.16962.4834
C73.82374.90393.12113.48754.11902.81051.10041.09811.09861.51982.16472.15562.55562.7678
H84.11445.21143.46744.10554.29633.04641.10041.77331.77622.17663.08812.54112.80372.5620
H94.61305.60494.13194.33935.16593.83461.09811.77331.76922.16492.52062.46733.50363.7546
H104.23435.34852.85833.11093.86982.27071.09861.77621.76922.18572.52113.08532.87253.1956
C112.45703.45922.56882.82243.51842.83771.51982.17662.16492.18571.10121.09971.53782.1543
H122.72223.54742.80342.60943.79723.18862.16473.08812.52062.52111.10121.76052.15803.0599
H132.61523.40783.49393.79074.31663.84182.15562.54112.46733.08531.09971.76052.15302.4898
C141.46542.62571.52992.17652.17962.16962.55562.80373.50362.87251.53782.15802.15301.1034
H152.06453.12202.15373.07542.50642.48342.76782.56203.75463.19562.15433.05992.48981.1034

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 110.092 C1 C14 C11 109.771
C1 C14 H15 106.105 N2 C1 C14 179.337
C3 C14 C11 113.730 C3 C14 H15 108.664
H4 C3 H5 108.140 H4 C3 H6 108.438
H4 C3 C14 110.713 H5 C3 H6 108.108
H5 C3 C14 111.070 H6 C3 C14 110.278
C7 C11 H12 110.342 C7 C11 H13 109.714
C7 C11 C14 113.405 H8 C7 H9 107.530
H8 C7 H10 107.744 H8 C7 C11 111.336
H9 C7 H10 107.297 H9 C7 C11 110.546
H10 C7 C11 112.176 C11 C14 H15 108.173
H12 C11 H13 106.237 H12 C11 C14 108.586
H13 C11 C14 108.284
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.036      
2 N -0.127      
3 C 0.009      
4 H 0.049      
5 H 0.051      
6 H 0.039      
7 C -0.040      
8 H 0.035      
9 H 0.040      
10 H 0.038      
11 C -0.038      
12 H 0.038      
13 H 0.041      
14 C -0.156      
15 H 0.057      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.737 1.246 0.477 3.968
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.630 -3.605 -0.811
y -3.605 -37.044 -0.096
z -0.811 -0.096 -36.570
Traceless
 xyz
x -10.823 -3.605 -0.811
y -3.605 5.056 -0.096
z -0.811 -0.096 5.767
Polar
3z2-r211.534
x2-y2-10.586
xy-3.605
xz-0.811
yz-0.096


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.447 0.428 0.231
y 0.428 8.112 0.108
z 0.231 0.108 7.059


<r2> (average value of r2) Å2
<r2> 198.102
(<r2>)1/2 14.075