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: PBEPBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/TZVP
 hartrees
Energy at 0K-211.168755
Energy at 298.15K-211.175932
HF Energy-211.168755
Nuclear repulsion energy153.539624
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 PBEPBE/TZVP
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' 3050 3016 22.90      
2 A' 2988 2954 22.41      
3 A' 2970 2936 16.87      
4 A' 2967 2934 3.09      
5 A' 2277 2251 11.91      
6 A' 1460 1444 9.87      
7 A' 1447 1431 1.92      
8 A' 1419 1403 4.56      
9 A' 1372 1356 3.59      
10 A' 1335 1320 3.23      
11 A' 1260 1246 0.76      
12 A' 1081 1069 3.23      
13 A' 1029 1018 0.58      
14 A' 948 937 1.13      
15 A' 861 851 2.52      
16 A' 521 515 1.15      
17 A' 340 337 0.01      
18 A' 161 160 5.50      
19 A" 3044 3010 42.11      
20 A" 3022 2988 0.05      
21 A" 3000 2966 0.46      
22 A" 1454 1438 9.78      
23 A" 1287 1273 0.02      
24 A" 1219 1206 0.02      
25 A" 1091 1079 0.18      
26 A" 850 841 0.27      
27 A" 726 718 4.05      
28 A" 377 373 0.06      
29 A" 245 242 0.02      
30 A" 94 93 4.27      

Unscaled Zero Point Vibrational Energy (zpe) 21947.5 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 21701.7 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 PBEPBE/TZVP
ABC
0.79724 0.07479 0.07111

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.613 0.405 0.000
C2 -1.454 0.514 0.000
C3 0.000 0.629 0.000
C4 0.717 -0.737 0.000
C5 2.237 -0.578 0.000
H6 0.301 1.216 0.884
H7 0.301 1.216 -0.884
H8 0.393 -1.310 0.882
H9 0.393 -1.310 -0.882
H10 2.734 -1.558 0.000
H11 2.584 -0.029 0.889
H12 2.584 -0.029 -0.889

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16452.62293.52114.94933.15123.15123.57213.57215.69635.29065.2906
C21.16451.45852.50583.84942.08642.08642.74172.74174.67254.17014.1701
C32.62291.45851.54242.54191.10311.10312.16582.16583.50102.81062.8106
C43.52112.50581.54241.52832.18382.18381.10081.10082.17742.18542.1854
C54.94933.84942.54191.52832.78402.78402.17142.17141.09911.10091.1009
H63.15122.08641.10312.18382.78401.76772.52783.08363.79472.60073.1475
H73.15122.08641.10312.18382.78401.76773.08362.52783.79473.14752.6007
H83.57212.74172.16581.10082.17142.52783.08361.76422.51362.53783.0948
H93.57212.74172.16581.10082.17143.08362.52781.76422.51363.09482.5378
H105.69634.67253.50102.17741.09913.79473.79472.51362.51361.77551.7755
H115.29064.17012.81062.18541.10092.60073.14752.53783.09481.77551.7783
H125.29064.17012.81062.18541.10093.14752.60073.09482.53781.77551.7783

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.160 C2 C3 C4 113.204
C2 C3 H6 108.275 C2 C3 H7 108.275
C3 C4 C5 111.746 C3 C4 H8 108.906
C3 C4 H9 108.906 C4 C3 H6 110.168
C4 C3 H7 110.168 C4 C5 H10 110.884
C4 C5 H11 111.405 C4 C5 H12 111.405
C5 C4 H8 110.305 C5 C4 H9 110.305
H6 C3 H7 106.503 H8 C4 H9 106.518
H10 C5 H11 107.617 H10 C5 H12 107.617
H11 C5 H12 107.730
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.054      
2 C -0.043      
3 C -0.283      
4 C -0.245      
5 C -0.348      
6 H 0.156      
7 H 0.156      
8 H 0.139      
9 H 0.139      
10 H 0.143      
11 H 0.120      
12 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.194 -0.011 0.000 4.194
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.265 1.052 0.000
y 1.052 -30.495 0.000
z 0.000 0.000 -30.701
Traceless
 xyz
x -12.667 1.052 0.000
y 1.052 6.488 0.000
z 0.000 0.000 6.179
Polar
3z2-r212.358
x2-y2-12.770
xy1.052
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.358 -0.354 0.000
y -0.354 6.674 0.000
z 0.000 0.000 6.245


<r2> (average value of r2) Å2
<r2> 160.564
(<r2>)1/2 12.671