return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-250.649037
Energy at 298.15K-250.658433
Nuclear repulsion energy217.832497
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/LANL2DZ
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 3158 3036 29.73      
2 A 3150 3028 37.24      
3 A 3139 3018 65.62      
4 A 3130 3009 48.44      
5 A 3104 2983 5.39      
6 A 3058 2939 12.52      
7 A 3056 2937 34.00      
8 A 3047 2929 4.66      
9 A 3041 2923 27.92      
10 A 2268 2180 12.69      
11 A 1535 1476 5.76      
12 A 1528 1469 21.05      
13 A 1525 1466 11.65      
14 A 1519 1460 13.07      
15 A 1514 1455 0.41      
16 A 1443 1387 11.73      
17 A 1436 1381 11.77      
18 A 1389 1335 0.83      
19 A 1344 1292 1.06      
20 A 1330 1278 0.44      
21 A 1293 1242 0.20      
22 A 1199 1152 2.92      
23 A 1153 1108 0.39      
24 A 1131 1087 12.94      
25 A 1059 1018 2.36      
26 A 1006 967 1.55      
27 A 991 953 12.14      
28 A 901 866 0.30      
29 A 820 788 3.01      
30 A 771 741 5.20      
31 A 565 543 0.72      
32 A 536 515 2.37      
33 A 395 380 0.47      
34 A 325 312 0.10      
35 A 276 266 0.16      
36 A 214 206 0.34      
37 A 204 196 1.12      
38 A 165 159 4.14      
39 A 79 76 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 28898.6 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 27777.3 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/LANL2DZ
ABC
0.21233 0.07196 0.05756

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.535 -0.298 0.116
N2 -2.628 -0.698 -0.082
C3 -0.033 1.663 -0.150
H4 -0.147 1.707 -1.240
H5 -0.798 2.305 0.301
H6 0.950 2.068 0.114
C7 2.333 -0.430 0.088
H8 2.470 -0.419 1.178
H9 3.016 -1.182 -0.325
H10 2.643 0.546 -0.303
C11 0.876 -0.769 -0.287
H12 0.753 -0.747 -1.378
H13 0.646 -1.792 0.037
C14 -0.163 0.202 0.356
H15 -0.007 0.194 1.446

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.18112.48492.79062.71133.43143.87054.14564.65764.28302.48942.76942.64551.48012.0842
N21.18113.50993.64503.53744.52734.97175.25975.67085.42093.51123.62163.45502.66133.1625
C32.48493.50991.09661.09571.09503.16823.51664.17452.90362.59982.81683.52691.55232.1695
H42.79063.64501.09661.77631.77893.53274.14924.38063.16332.84302.61693.80872.19393.0858
H52.71133.53741.09571.77631.77424.16324.34455.20633.91163.54883.81264.35252.19792.5286
H63.43144.52731.09501.77891.77422.85593.10353.87682.31442.86583.19193.87332.18652.4909
C73.87054.97173.16823.53274.16322.85591.09881.09711.09661.54212.17922.16862.58832.7767
H84.14565.25973.51664.14924.34453.10351.09881.77251.77652.19333.09752.55242.82732.5662
H94.65765.67084.17454.38065.20633.87681.09711.77251.76862.18042.53442.47393.53353.7648
H104.28305.42092.90363.16333.91162.31441.09661.77651.76862.20252.53003.09372.90243.1947
C112.48943.51122.59982.84303.54882.86581.54212.19332.18042.20251.09881.09821.55982.1699
H122.76943.62162.81682.61693.81263.19192.17923.09752.53442.53001.09881.76342.17833.0723
H132.64553.45503.52693.80874.35253.87332.16862.55242.47393.09371.09821.76342.17542.5213
C141.48012.66131.55232.19392.19792.18652.58832.82733.53352.90241.55982.17832.17541.1009
H152.08423.16252.16953.08582.52862.49092.77672.56623.76483.19472.16993.07232.52131.1009

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 110.037 C1 C14 C11 109.922
C1 C14 H15 106.783 N2 C1 C14 179.636
C3 C14 C11 113.310 C3 C14 H15 108.512
H4 C3 H5 108.231 H4 C3 H6 108.517
H4 C3 C14 110.656 H5 C3 H6 108.165
H5 C3 C14 111.024 H6 C3 C14 110.164
C7 C11 H12 110.073 C7 C11 H13 109.284
C7 C11 C14 113.108 H8 C7 H9 107.644
H8 C7 H10 108.035 H8 C7 C11 111.193
H9 C7 H10 107.458 H9 C7 C11 110.270
H10 C7 C11 112.060 C11 C14 H15 108.037
H12 C11 H13 106.761 H12 C11 C14 108.799
H13 C11 C14 108.607
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.211      
2 N -0.021      
3 C -0.654      
4 H 0.210      
5 H 0.219      
6 H 0.213      
7 C -0.652      
8 H 0.197      
9 H 0.212      
10 H 0.207      
11 C -0.322      
12 H 0.196      
13 H 0.204      
14 C -0.010      
15 H 0.213      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.053 1.347 0.518 4.302
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.313 -4.069 -0.894
y -4.069 -37.257 -0.117
z -0.894 -0.117 -36.497
Traceless
 xyz
x -12.436 -4.069 -0.894
y -4.069 5.649 -0.117
z -0.894 -0.117 6.787
Polar
3z2-r213.575
x2-y2-12.056
xy-4.069
xz-0.894
yz-0.117


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.167 0.569 0.276
y 0.569 7.579 0.106
z 0.276 0.106 6.580


<r2> (average value of r2) Å2
<r2> 202.695
(<r2>)1/2 14.237