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: LSDA/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 LSDA/6-31G**
 hartrees
Energy at 0K-210.193978
Energy at 298.15K-210.201180
HF Energy-210.193978
Nuclear repulsion energy154.556643
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 LSDA/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' 3087 3030 11.96      
2 A' 3003 2947 16.17      
3 A' 2986 2930 10.65      
4 A' 2973 2917 2.41      
5 A' 2331 2287 13.73      
6 A' 1451 1424 9.73      
7 A' 1436 1409 2.09      
8 A' 1402 1376 5.32      
9 A' 1366 1341 6.99      
10 A' 1336 1311 2.90      
11 A' 1246 1223 0.43      
12 A' 1096 1075 5.28      
13 A' 1071 1051 0.10      
14 A' 983 965 1.89      
15 A' 875 859 3.87      
16 A' 529 519 1.00      
17 A' 343 337 0.04      
18 A' 159 156 5.60      
19 A" 3070 3013 24.45      
20 A" 3046 2989 0.81      
21 A" 3014 2958 0.34      
22 A" 1443 1416 12.24      
23 A" 1274 1250 0.00      
24 A" 1206 1183 0.05      
25 A" 1077 1057 1.06      
26 A" 841 825 0.20      
27 A" 726 712 7.11      
28 A" 393 385 0.16      
29 A" 253 248 0.00      
30 A" 100 98 4.19      

Unscaled Zero Point Vibrational Energy (zpe) 22057.9 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 21645.4 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 LSDA/6-31G**
ABC
0.80327 0.07628 0.07250

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.600 0.375 0.000
C2 -1.439 0.495 0.000
C3 0.000 0.618 0.000
C4 0.717 -0.726 0.000
C5 2.215 -0.546 0.000
H6 0.306 1.210 0.884
H7 0.306 1.210 -0.884
H8 0.394 -1.305 0.883
H9 0.394 -1.305 -0.883
H10 2.738 -1.515 0.000
H11 2.552 0.014 0.890
H12 2.552 0.014 -0.890

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16702.61083.49434.90193.14943.14943.54453.54455.66255.23985.2398
C21.16701.44402.47703.79902.08242.08242.71622.71624.63524.11644.1164
C32.61081.44401.52272.50211.10731.10732.15242.15243.47072.76872.7687
C43.49432.47701.52271.50902.16772.16771.10431.10432.17002.16932.1693
C54.90193.79902.50211.50902.74072.74072.16172.16171.10121.10391.1039
H63.14942.08241.10732.16772.74071.76802.51733.07543.75842.54453.1016
H73.14942.08241.10732.16772.74071.76803.07542.51733.75843.10162.5445
H83.54452.71622.15241.10432.16172.51733.07541.76542.51382.52953.0886
H93.54452.71622.15241.10432.16173.07542.51731.76542.51383.08862.5295
H105.66254.63523.47072.17001.10123.75843.75842.51382.51381.77901.7790
H115.23984.11642.76872.16931.10392.54453.10162.52953.08861.77901.7790
H125.23984.11642.76872.16931.10393.10162.54453.08862.52951.77901.7790

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.004 C2 C3 C4 113.194
C2 C3 H6 108.698 C2 C3 H7 108.698
C3 C4 C5 111.234 C3 C4 H8 108.994
C3 C4 H9 108.994 C4 C3 H6 110.014
C4 C3 H7 110.014 C4 C5 H10 111.521
C4 C5 H11 111.300 C4 C5 H12 111.300
C5 C4 H8 110.669 C5 C4 H9 110.669
H6 C3 H7 105.952 H8 C4 H9 106.129
H10 C5 H11 107.566 H10 C5 H12 107.566
H11 C5 H12 107.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.442      
2 C 0.311      
3 C -0.322      
4 C -0.259      
5 C -0.428      
6 H 0.187      
7 H 0.187      
8 H 0.161      
9 H 0.161      
10 H 0.154      
11 H 0.146      
12 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.098 0.052 0.000 4.099
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.767 0.925 0.000
y 0.925 -29.639 0.000
z 0.000 0.000 -29.984
Traceless
 xyz
x -11.955 0.925 0.000
y 0.925 6.237 0.000
z 0.000 0.000 5.719
Polar
3z2-r211.437
x2-y2-12.128
xy0.925
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.266 -0.264 0.000
y -0.264 5.854 0.000
z 0.000 0.000 5.517


<r2> (average value of r2) Å2
<r2> 157.397
(<r2>)1/2 12.546