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

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-249.044627
Energy at 298.15K-249.054318
HF Energy-249.044627
Nuclear repulsion energy220.077368
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 HSEh1PBE/3-21G
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 3170 3054 13.39      
2 A 3162 3046 13.32      
3 A 3155 3040 30.86      
4 A 3145 3030 19.94      
5 A 3122 3007 1.48      
6 A 3084 2970 6.23      
7 A 3081 2968 18.24      
8 A 3071 2958 0.86      
9 A 3070 2958 12.97      
10 A 2366 2280 5.39      
11 A 1576 1518 7.29      
12 A 1564 1506 13.89      
13 A 1559 1502 16.20      
14 A 1555 1498 7.77      
15 A 1539 1482 2.28      
16 A 1465 1411 11.72      
17 A 1453 1400 12.05      
18 A 1408 1356 0.29      
19 A 1374 1324 0.65      
20 A 1361 1311 0.26      
21 A 1318 1270 0.11      
22 A 1215 1170 2.50      
23 A 1161 1119 0.46      
24 A 1156 1114 12.41      
25 A 1055 1017 1.26      
26 A 1025 987 2.56      
27 A 1007 970 11.51      
28 A 919 885 0.47      
29 A 840 809 1.91      
30 A 787 758 5.50      
31 A 620 598 0.28      
32 A 582 561 1.53      
33 A 408 393 0.72      
34 A 349 336 0.23      
35 A 297 286 0.25      
36 A 232 223 0.15      
37 A 223 215 1.30      
38 A 185 178 3.65      
39 A 85 82 1.14      

Unscaled Zero Point Vibrational Energy (zpe) 29372.4 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 28294.4 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 HSEh1PBE/3-21G
ABC
0.21813 0.07365 0.05916

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.503 -0.324 0.126
N2 -2.566 -0.730 -0.116
C3 -0.110 1.657 -0.151
H4 -0.266 1.660 -1.235
H5 -0.884 2.274 0.314
H6 0.858 2.110 0.069
C7 2.356 -0.384 0.049
H8 2.536 -0.356 1.130
H9 3.028 -1.128 -0.391
H10 2.619 0.586 -0.374
C11 0.884 -0.760 -0.242
H12 0.715 -0.802 -1.323
H13 0.711 -1.762 0.168
C14 -0.185 0.197 0.382
H15 -0.020 0.218 1.470

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.16332.43782.70502.67773.39093.86034.16134.63024.25072.45402.69252.64001.44032.0732
N21.16333.42503.49973.46974.45154.93685.26455.61425.35543.45213.49663.44702.60323.1457
C32.43783.42501.09471.09431.09033.20753.56224.20202.93962.61522.84633.53071.55642.1698
H42.70503.49971.09471.77741.77903.56454.18384.39733.19682.85782.65203.82532.18203.0749
H52.67773.46971.09431.77741.76644.19974.39025.23203.94883.55583.83464.34252.19302.5122
H63.39094.45151.09031.77901.76642.90983.16533.92472.37042.88683.23063.87592.20082.5124
C73.86034.93683.20753.56454.19972.90981.09591.09421.09101.54702.17962.14942.62772.8329
H84.16135.26453.56224.18384.39023.16531.09591.77501.77622.18443.08722.49662.87472.6407
H94.63025.61424.20204.39735.23203.92471.09421.77501.76262.18012.51472.46623.55973.8155
H104.25075.35542.93963.19683.94882.37041.09101.77621.76262.20042.54063.07422.92983.2399
C112.45403.45212.61522.85783.55582.88681.54702.18442.18012.20041.09571.09611.56432.1682
H122.69253.49662.84632.65203.83463.23062.17963.08722.51472.54061.09571.77362.17173.0628
H132.64003.44703.53073.82534.34253.87592.14942.49662.46623.07421.09611.77362.16462.4795
C141.44032.60321.55642.18202.19302.20082.62772.87473.55972.92981.56432.17172.16461.1003
H152.07323.14572.16983.07492.51222.51242.83292.64073.81553.23992.16823.06282.47951.1003

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 108.822 C1 C14 C11 109.456
C1 C14 H15 108.641 N2 C1 C14 178.073
C3 C14 C11 113.861 C3 C14 H15 108.291
H4 C3 H5 108.573 H4 C3 H6 109.012
H4 C3 C14 109.554 H5 C3 H6 107.914
H5 C3 C14 110.435 H6 C3 C14 111.290
C7 C11 H12 109.958 C7 C11 H13 107.596
C7 C11 C14 115.249 H8 C7 H9 108.284
H8 C7 H10 108.627 H8 C7 C11 110.323
H9 C7 H10 107.530 H9 C7 C11 110.083
H10 C7 C11 111.882 C11 C14 H15 107.648
H12 C11 H13 108.035 H12 C11 C14 108.163
H13 C11 C14 107.604
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.402      
2 N -0.501      
3 C -0.589      
4 H 0.231      
5 H 0.236      
6 H 0.229      
7 C -0.632      
8 H 0.216      
9 H 0.226      
10 H 0.220      
11 C -0.399      
12 H 0.233      
13 H 0.239      
14 C -0.382      
15 H 0.273      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.675 1.218 0.465 3.899
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.781 -3.577 -0.840
y -3.577 -37.113 -0.129
z -0.840 -0.129 -36.641
Traceless
 xyz
x -10.904 -3.577 -0.840
y -3.577 5.098 -0.129
z -0.840 -0.129 5.806
Polar
3z2-r211.612
x2-y2-10.668
xy-3.577
xz-0.840
yz-0.129


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.374 0.425 0.257
y 0.425 7.067 0.103
z 0.257 0.103 6.224


<r2> (average value of r2) Å2
<r2> 197.946
(<r2>)1/2 14.069