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

using model chemistry: B3LYP/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 B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-250.714056
Energy at 298.15K-250.723494
Nuclear repulsion energy219.608164
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 B3LYP/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 3134 3025 16.72      
2 A 3125 3016 17.21      
3 A 3115 3006 33.18      
4 A 3107 2998 31.54      
5 A 3078 2970 5.19      
6 A 3051 2945 11.87      
7 A 3042 2936 26.16      
8 A 3037 2931 11.13      
9 A 3021 2915 3.31      
10 A 2356 2273 10.12      
11 A 1511 1458 2.28      
12 A 1505 1453 6.61      
13 A 1499 1447 4.78      
14 A 1494 1441 7.18      
15 A 1485 1433 0.19      
16 A 1417 1367 1.25      
17 A 1410 1360 3.38      
18 A 1379 1331 0.68      
19 A 1344 1297 1.45      
20 A 1317 1271 4.22      
21 A 1284 1239 1.60      
22 A 1186 1145 2.19      
23 A 1134 1094 0.14      
24 A 1116 1077 4.85      
25 A 1042 1006 1.11      
26 A 991 956 0.68      
27 A 973 939 4.31      
28 A 896 864 0.21      
29 A 811 782 0.59      
30 A 765 738 2.74      
31 A 571 551 0.14      
32 A 541 522 1.14      
33 A 394 381 0.21      
34 A 328 317 0.94      
35 A 277 267 0.16      
36 A 221 213 0.24      
37 A 208 201 2.32      
38 A 166 160 5.73      
39 A 84 81 1.54      

Unscaled Zero Point Vibrational Energy (zpe) 28706.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 27702.0 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 B3LYP/6-31G(2df,p)
ABC
0.21430 0.07343 0.05859

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.522 -0.304 0.115
N2 -2.588 -0.705 -0.084
C3 -0.049 1.655 -0.149
H4 -0.170 1.699 -1.235
H5 -0.816 2.287 0.305
H6 0.929 2.068 0.109
C7 2.319 -0.423 0.084
H8 2.464 -0.410 1.170
H9 2.998 -1.173 -0.331
H10 2.628 0.551 -0.307
C11 0.871 -0.759 -0.279
H12 0.740 -0.748 -1.368
H13 0.639 -1.778 0.049
C14 -0.166 0.203 0.354
H15 -0.015 0.198 1.442

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.15602.46522.76842.69203.41073.84304.12434.62464.25812.46732.74122.61671.46742.0692
N21.15603.46703.59893.49894.48264.91775.21305.61095.36943.46433.56733.40292.62333.1242
C32.46523.46701.09401.09261.09223.15923.50974.16142.90032.58682.80783.50691.54152.1576
H42.76843.59891.09401.77071.77453.52684.14364.37073.16362.83542.61423.79372.18273.0731
H52.69203.49891.09261.77071.76984.15014.33375.18913.90563.53083.79894.32522.18442.5101
H63.41074.48261.09221.77451.76982.85283.10223.87042.31582.85433.18513.85742.17682.4834
C73.84304.91773.15923.52684.15012.85281.09581.09381.09381.53062.16922.15862.57622.7705
H84.12435.21303.50974.14364.33373.10221.09581.76701.76992.18183.08622.54132.82042.5664
H94.62465.61094.16144.37075.18913.87041.09381.76701.76302.16812.52052.46513.51713.7551
H104.25815.36942.90033.16363.90562.31581.09381.76991.76302.19192.52463.08302.89173.1889
C112.46733.46432.58682.83543.53082.85431.53062.18182.16812.19191.09631.09501.54882.1589
H122.74123.56732.80782.61423.79893.18512.16923.08622.52052.52461.09631.75422.16483.0589
H132.61673.40293.50693.79374.32523.85742.15862.54132.46513.08301.09501.75422.15922.5041
C141.46742.62331.54152.18272.18442.17682.57622.82043.51712.89171.54882.16482.15921.0985
H152.06923.12422.15763.07312.51012.48342.77052.56643.75513.18892.15893.05892.50411.0985

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 110.009 C1 C14 C11 109.748
C1 C14 H15 106.617 N2 C1 C14 179.406
C3 C14 C11 113.667 C3 C14 H15 108.459
H4 C3 H5 108.147 H4 C3 H6 108.518
H4 C3 C14 110.676 H5 C3 H6 108.198
H5 C3 C14 110.897 H6 C3 C14 110.318
C7 C11 H12 110.238 C7 C11 H13 109.478
C7 C11 C14 113.562 H8 C7 H9 107.610
H8 C7 H10 107.868 H8 C7 C11 111.272
H9 C7 H10 107.394 H9 C7 C11 110.299
H10 C7 C11 112.201 C11 C14 H15 108.074
H12 C11 H13 106.363 H12 C11 C14 108.647
H13 C11 C14 108.284
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.264      
2 N -0.324      
3 C -0.390      
4 H 0.136      
5 H 0.139      
6 H 0.128      
7 C -0.398      
8 H 0.120      
9 H 0.126      
10 H 0.125      
11 C -0.167      
12 H 0.117      
13 H 0.121      
14 C -0.122      
15 H 0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.817 1.308 0.482 4.064
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.130 -3.869 -0.877
y -3.869 -37.079 -0.123
z -0.877 -0.123 -36.373
Traceless
 xyz
x -11.404 -3.869 -0.877
y -3.869 5.172 -0.123
z -0.877 -0.123 6.232
Polar
3z2-r212.463
x2-y2-11.050
xy-3.869
xz-0.877
yz-0.123


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.421 0.441 0.224
y 0.441 8.034 0.099
z 0.224 0.099 6.996


<r2> (average value of r2) Å2
<r2> 199.485
(<r2>)1/2 14.124