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: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G3B3
 hartrees
Energy at 0K-211.205937
Energy at 298.15K-211.198915
HF Energy-211.382907
Nuclear repulsion energy153.571561
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/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' 3125 3000 28.99      
2 A' 3064 2943 26.71      
3 A' 3049 2928 5.87      
4 A' 3047 2926 15.61      
5 A' 2369 2275 9.33      
6 A' 1538 1477 5.10      
7 A' 1523 1462 1.32      
8 A' 1500 1440 2.52      
9 A' 1446 1389 1.45      
10 A' 1404 1349 2.95      
11 A' 1322 1269 2.93      
12 A' 1123 1079 3.47      
13 A' 1051 1009 0.24      
14 A' 962 923 1.53      
15 A' 886 851 1.80      
16 A' 532 511 1.04      
17 A' 350 336 0.08      
18 A' 167 161 6.14      
19 A" 3120 2996 55.79      
20 A" 3098 2975 0.19      
21 A" 3080 2958 0.53      
22 A" 1531 1470 7.59      
23 A" 1341 1288 0.02      
24 A" 1275 1225 0.05      
25 A" 1144 1099 0.28      
26 A" 886 851 0.12      
27 A" 753 723 3.94      
28 A" 393 377 0.57      
29 A" 251 241 0.01      
30 A" 100 96 4.20      

Unscaled Zero Point Vibrational Energy (zpe) 22715.7 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 21813.9 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/6-31G*
ABC
0.79689 0.07470 0.07100

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.616 0.390 0.000
C2 -1.461 0.506 0.000
C3 0.000 0.633 0.000
C4 0.720 -0.731 0.000
C5 2.243 -0.569 0.000
H6 0.296 1.218 0.880
H7 0.296 1.218 -0.880
H8 0.401 -1.303 0.879
H9 0.401 -1.303 -0.879
H10 2.737 -1.546 0.000
H11 2.586 -0.021 0.886
H12 2.586 -0.021 -0.886

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16082.62753.52004.95263.15273.15273.56983.56985.69275.29285.2928
C21.16081.46672.50793.85662.09022.09022.74092.74094.67294.17614.1761
C32.62751.46671.54322.54471.09761.09762.16422.16423.49892.81062.8106
C43.52002.50791.54321.53092.18112.18111.09631.09632.17512.18362.1836
C54.95263.85662.54471.53092.78602.78602.16872.16871.09511.09671.0967
H63.15272.09021.09762.18112.78601.76082.52383.07663.79202.60413.1467
H73.15272.09021.09762.18112.78601.76083.07662.52383.79203.14672.6041
H83.56982.74092.16421.09632.16872.52383.07661.75812.50782.53303.0873
H93.56982.74092.16421.09632.16873.07662.52381.75812.50783.08732.5330
H105.69274.67293.49892.17511.09513.79203.79202.50782.50781.77011.7701
H115.29284.17612.81062.18361.09672.60413.14672.53303.08731.77011.7720
H125.29284.17612.81062.18361.09673.14672.60413.08732.53301.77011.7720

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 177.528 C2 C3 C4 112.687
C2 C3 H6 108.220 C2 C3 H7 108.220
C3 C4 C5 111.815 C3 C4 H8 108.993
C3 C4 H9 108.993 C4 C3 H6 110.328
C4 C3 H7 110.328 C4 C5 H10 110.794
C4 C5 H11 111.294 C4 C5 H12 111.294
C5 C4 H8 110.151 C5 C4 H9 110.151
H6 C3 H7 106.853 H8 C4 H9 106.587
H10 C5 H11 107.713 H10 C5 H12 107.713
H11 C5 H12 107.867
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.473      
2 C 0.347      
3 C -0.334      
4 C -0.257      
5 C -0.447      
6 H 0.191      
7 H 0.191      
8 H 0.162      
9 H 0.162      
10 H 0.159      
11 H 0.150      
12 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.050 0.046 0.000 4.050
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 160.207
(<r2>)1/2 12.657