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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-250.599718
Energy at 298.15K-250.609152
Nuclear repulsion energy219.718518
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 B3PW91/6-31G*
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 3163 3026 16.52      
2 A 3155 3019 17.22      
3 A 3144 3008 33.53      
4 A 3136 3000 33.00      
5 A 3106 2972 5.73      
6 A 3075 2942 13.35      
7 A 3066 2933 25.24      
8 A 3060 2928 15.79      
9 A 3044 2913 4.12      
10 A 2369 2266 10.89      
11 A 1536 1470 3.75      
12 A 1529 1463 10.00      
13 A 1525 1459 7.13      
14 A 1519 1453 9.63      
15 A 1509 1444 0.21      
16 A 1438 1376 3.08      
17 A 1432 1370 5.75      
18 A 1395 1335 0.41      
19 A 1359 1300 1.31      
20 A 1331 1273 2.46      
21 A 1295 1239 1.16      
22 A 1195 1144 2.48      
23 A 1150 1100 0.20      
24 A 1126 1077 6.82      
25 A 1062 1016 1.24      
26 A 1007 964 1.33      
27 A 983 940 6.10      
28 A 909 870 0.38      
29 A 819 784 0.67      
30 A 772 739 3.87      
31 A 570 545 0.12      
32 A 541 518 1.22      
33 A 398 380 0.30      
34 A 327 312 0.70      
35 A 281 269 0.10      
36 A 224 214 0.12      
37 A 208 199 2.31      
38 A 164 157 5.54      
39 A 85 81 1.49      

Unscaled Zero Point Vibrational Energy (zpe) 29003.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 27747.2 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 B3PW91/6-31G*
ABC
0.21549 0.07347 0.05868

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.521 -0.298 0.115
N2 -2.594 -0.696 -0.087
C3 -0.040 1.649 -0.149
H4 -0.155 1.692 -1.237
H5 -0.807 2.287 0.300
H6 0.939 2.060 0.113
C7 2.314 -0.422 0.079
H8 2.465 -0.394 1.165
H9 2.992 -1.179 -0.330
H10 2.622 0.546 -0.330
C11 0.868 -0.763 -0.271
H12 0.731 -0.764 -1.360
H13 0.639 -1.780 0.069
C14 -0.163 0.203 0.355
H15 -0.016 0.199 1.445

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.16142.46132.76692.68883.40853.83704.12374.61954.25152.46412.73282.62021.46802.0695
N21.16143.46813.60203.49904.48554.91765.22025.61135.36673.46673.56133.41322.62943.1292
C32.46133.46811.09511.09391.09373.14373.48954.15012.88702.58062.80833.50291.53682.1555
H42.76693.60201.09511.77281.77623.50614.12114.35483.13772.82922.61343.79352.18003.0730
H52.68883.49901.09391.77281.77094.13864.31785.18083.89683.52653.79904.32302.18252.5095
H63.40854.48551.09371.77621.77092.83783.07543.86022.30652.85053.19203.85242.17332.4806
C73.83704.91763.14373.50614.13862.83781.09691.09511.09501.52642.16592.15582.56872.7717
H84.12375.22023.48954.12114.31783.07541.09691.76821.77222.18003.08552.54112.81372.5669
H94.61955.61134.15014.35485.18083.86021.09511.76821.76412.16512.51862.46053.51103.7547
H104.25155.36672.88703.13773.89682.30651.09501.77221.76412.18962.52003.08222.88773.1986
C112.46413.46672.58062.82923.52652.85051.52642.18002.16512.18961.09751.09651.54502.1576
H122.73283.56132.80832.61343.79903.19202.16593.08552.51862.52001.09751.75662.16263.0593
H132.62023.41323.50293.79354.32303.85242.15582.54112.46053.08221.09651.75662.15792.4981
C141.46802.62941.53682.18002.18252.17332.56872.81373.51102.88771.54502.16262.15791.1001
H152.06953.12922.15553.07302.50952.48062.77172.56693.75473.19862.15763.05932.49811.1001

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 109.967 C1 C14 C11 109.711
C1 C14 H15 106.503 N2 C1 C14 179.410
C3 C14 C11 113.727 C3 C14 H15 108.521
H4 C3 H5 108.165 H4 C3 H6 108.486
H4 C3 C14 110.726 H5 C3 H6 108.096
H5 C3 C14 110.995 H6 C3 C14 110.281
C7 C11 H12 110.198 C7 C11 H13 109.461
C7 C11 C14 113.506 H8 C7 H9 107.545
H8 C7 H10 107.907 H8 C7 C11 111.352
H9 C7 H10 107.315 H9 C7 C11 110.277
H10 C7 C11 112.239 C11 C14 H15 108.135
H12 C11 H13 106.389 H12 C11 C14 108.666
H13 C11 C14 108.360
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.367     0.220
2 N -0.493     -0.425
3 C -0.512     -0.364
4 H 0.189     0.117
5 H 0.195     0.114
6 H 0.184     0.100
7 C -0.521     -0.244
8 H 0.172     0.070
9 H 0.183     0.081
10 H 0.176     0.069
11 C -0.309     -0.032
12 H 0.182     0.053
13 H 0.187     0.036
14 C -0.209     0.149
15 H 0.209     0.055


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.855 1.307 0.494 4.100
CHELPG        
AIM        
ESP 3.869 1.323 0.486 4.118


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.932 -3.828 -0.867
y -3.828 -36.844 -0.112
z -0.867 -0.112 -36.248
Traceless
 xyz
x -11.386 -3.828 -0.867
y -3.828 5.246 -0.112
z -0.867 -0.112 6.140
Polar
3z2-r212.279
x2-y2-11.088
xy-3.828
xz-0.867
yz-0.112


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 199.062
(<r2>)1/2 14.109