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 CH3CH2CH2CN (Butanenitrile)

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-211.269053
Energy at 298.15K-211.276331
HF Energy-211.269053
Nuclear repulsion energy154.366506
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 B1B95/6-31G*
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' 3166 3006 23.84      
2 A' 3099 2942 22.09      
3 A' 3083 2926 1.55      
4 A' 3078 2922 20.10      
5 A' 2405 2283 11.42      
6 A' 1536 1458 6.51      
7 A' 1522 1445 1.54      
8 A' 1497 1421 3.37      
9 A' 1444 1371 2.78      
10 A' 1407 1335 2.75      
11 A' 1316 1249 1.75      
12 A' 1130 1073 3.94      
13 A' 1077 1022 0.12      
14 A' 984 934 1.80      
15 A' 896 851 2.13      
16 A' 538 511 1.00      
17 A' 346 329 0.09      
18 A' 165 157 6.15      
19 A" 3160 3000 45.61      
20 A" 3140 2981 0.04      
21 A" 3121 2963 0.51      
22 A" 1530 1452 9.22      
23 A" 1342 1274 0.01      
24 A" 1273 1208 0.07      
25 A" 1140 1083 0.41      
26 A" 882 838 0.12      
27 A" 750 712 4.68      
28 A" 397 377 0.48      
29 A" 249 236 0.01      
30 A" 100 95 4.24      

Unscaled Zero Point Vibrational Energy (zpe) 22887.0 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 21726.7 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 B1B95/6-31G*
ABC
0.80457 0.07561 0.07187

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.604 0.379 0.000
C2 -1.453 0.498 0.000
C3 0.000 0.627 0.000
C4 0.719 -0.726 0.000
C5 2.229 -0.556 0.000
H6 0.294 1.212 0.878
H7 0.294 1.212 -0.878
H8 0.402 -1.298 0.876
H9 0.402 -1.298 -0.876
H10 2.731 -1.525 0.000
H11 2.567 -0.006 0.883
H12 2.567 -0.006 -0.883

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15752.61573.50174.92273.13993.13993.55183.55185.66465.26035.2603
C21.15751.45832.49233.82942.08072.08072.72582.72584.64684.14644.1464
C32.61571.45831.53222.52341.09491.09492.15282.15283.47712.78792.7879
C43.50172.49231.53221.52012.16962.16961.09331.09332.16512.17162.1716
C54.92273.82942.52341.52012.76422.76422.15842.15841.09191.09371.0937
H63.13992.08071.09492.16962.76421.75572.51193.06393.76872.57953.1234
H73.13992.08071.09492.16962.76421.75573.06392.51193.76873.12342.5795
H83.55182.72582.15281.09332.15842.51193.06391.75292.49902.52143.0748
H93.55182.72582.15281.09332.15843.06392.51191.75292.49903.07482.5214
H105.66464.64683.47712.16511.09193.76873.76872.49902.49901.76471.7647
H115.26034.14642.78792.17161.09372.57953.12342.52143.07481.76471.7667
H125.26034.14642.78792.17161.09373.12342.57953.07482.52141.76471.7667

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.222 C2 C3 C4 112.881
C2 C3 H6 108.327 C2 C3 H7 108.327
C3 C4 C5 111.524 C3 C4 H8 109.012
C3 C4 H9 109.012 C4 C3 H6 110.241
C4 C3 H7 110.241 C4 C5 H10 110.906
C4 C5 H11 111.317 C4 C5 H12 111.317
C5 C4 H8 110.289 C5 C4 H9 110.289
H6 C3 H7 106.600 H8 C4 H9 106.576
H10 C5 H11 107.695 H10 C5 H12 107.695
H11 C5 H12 107.738
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.463      
2 C 0.338      
3 C -0.379      
4 C -0.310      
5 C -0.495      
6 H 0.213      
7 H 0.213      
8 H 0.185      
9 H 0.185      
10 H 0.179      
11 H 0.168      
12 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.063 0.054 0.000 4.063
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.943 0.950 0.000
y 0.950 -29.584 0.000
z 0.000 0.000 -29.848
Traceless
 xyz
x -12.227 0.950 0.000
y 0.950 6.312 0.000
z 0.000 0.000 5.915
Polar
3z2-r211.830
x2-y2-12.359
xy0.950
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.815 -0.243 0.000
y -0.243 5.604 0.000
z 0.000 0.000 5.299


<r2> (average value of r2) Å2
<r2> 158.416
(<r2>)1/2 12.586