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: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-211.311642
Energy at 298.15K-211.318932
HF Energy-211.311642
Nuclear repulsion energy153.725859
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3135 3025 20.69      
2 A' 3061 2954 21.85      
3 A' 3049 2942 2.09      
4 A' 3042 2936 21.40      
5 A' 2369 2286 12.34      
6 A' 1479 1428 6.72      
7 A' 1466 1415 1.00      
8 A' 1439 1389 4.00      
9 A' 1401 1352 2.10      
10 A' 1376 1328 2.77      
11 A' 1286 1241 3.00      
12 A' 1113 1074 2.32      
13 A' 1069 1032 0.19      
14 A' 977 943 1.62      
15 A' 887 856 2.16      
16 A' 535 516 0.94      
17 A' 348 336 0.05      
18 A' 166 160 5.29      
19 A" 3127 3018 40.07      
20 A" 3106 2998 0.74      
21 A" 3087 2979 0.04      
22 A" 1470 1419 8.26      
23 A" 1315 1269 0.01      
24 A" 1244 1200 0.00      
25 A" 1112 1073 0.23      
26 A" 867 837 0.25      
27 A" 747 721 4.76      
28 A" 393 380 0.17      
29 A" 253 244 0.03      
30 A" 101 97 3.82      

Unscaled Zero Point Vibrational Energy (zpe) 22510.2 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 21722.3 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 B3PW91/cc-pVDZ
ABC
0.79950 0.07499 0.07131

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.612 0.390 0.000
C2 -1.456 0.504 0.000
C3 0.000 0.628 0.000
C4 0.721 -0.728 0.000
C5 2.236 -0.568 0.000
H6 0.292 1.221 0.884
H7 0.292 1.221 -0.884
H8 0.397 -1.304 0.882
H9 0.397 -1.304 -0.882
H10 2.734 -1.549 0.000
H11 2.584 -0.017 0.889
H12 2.584 -0.017 -0.889

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16212.62313.51564.94183.14743.14743.56473.56475.68745.28735.2873
C21.16211.46112.50103.84402.08562.08562.73532.73534.66604.16894.1689
C32.62311.46111.53542.53551.10351.10352.16092.16093.49512.80772.8077
C43.51562.50101.53541.52322.18192.18191.10241.10242.17452.18292.1829
C54.94183.84402.53551.52322.78532.78532.16792.16791.10031.10231.1023
H63.14742.08561.10352.18192.78531.76792.52693.08293.79682.60473.1511
H73.14742.08561.10352.18192.78531.76793.08292.52693.79683.15112.6047
H83.56472.73532.16091.10242.16792.52693.08291.76422.50992.53683.0941
H93.56472.73532.16091.10242.16793.08292.52691.76422.50993.09412.5368
H105.68744.66603.49512.17451.10033.79683.79682.50992.50991.77721.7772
H115.28734.16892.80772.18291.10232.60473.15112.53683.09411.77721.7789
H125.28734.16892.80772.18291.10233.15112.60473.09412.53681.77721.7789

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.249 C2 C3 C4 113.132
C2 C3 H6 108.018 C2 C3 H7 108.018
C3 C4 C5 111.988 C3 C4 H8 108.905
C3 C4 H9 108.905 C4 C3 H6 110.474
C4 C3 H7 110.474 C4 C5 H10 110.936
C4 C5 H11 111.483 C4 C5 H12 111.483
C5 C4 H8 110.286 C5 C4 H9 110.286
H6 C3 H7 106.459 H8 C4 H9 106.293
H10 C5 H11 107.579 H10 C5 H12 107.579
H11 C5 H12 107.586
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.140      
2 C -0.078      
3 C -0.030      
4 C -0.109      
5 C -0.080      
6 H 0.086      
7 H 0.086      
8 H 0.059      
9 H 0.059      
10 H 0.051      
11 H 0.048      
12 H 0.048      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.007 0.028 0.000 4.008
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.783 0.997 0.000
y 0.997 -29.808 0.000
z 0.000 0.000 -30.074
Traceless
 xyz
x -11.842 0.997 0.000
y 0.997 6.120 0.000
z 0.000 0.000 5.721
Polar
3z2-r211.443
x2-y2-11.975
xy0.997
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.218 -0.296 0.000
y -0.296 6.006 0.000
z 0.000 0.000 5.581


<r2> (average value of r2) Å2
<r2> 159.624
(<r2>)1/2 12.634