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: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-211.379967
Energy at 298.15K-211.387285
HF Energy-211.379967
Nuclear repulsion energy154.517706
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 mPW1PW91/6-311G**
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' 3137 3001 25.80      
2 A' 3074 2941 23.59      
3 A' 3061 2929 0.59      
4 A' 3053 2921 20.35      
5 A' 2389 2285 12.93      
6 A' 1510 1445 9.37      
7 A' 1497 1432 1.63      
8 A' 1471 1407 4.36      
9 A' 1421 1359 3.89      
10 A' 1391 1331 2.61      
11 A' 1305 1248 0.87      
12 A' 1123 1074 3.40      
13 A' 1068 1022 0.19      
14 A' 977 935 1.79      
15 A' 892 853 2.22      
16 A' 543 520 0.95      
17 A' 350 335 0.07      
18 A' 168 161 6.08      
19 A" 3133 2997 47.58      
20 A" 3113 2978 0.07      
21 A" 3095 2961 0.17      
22 A" 1504 1438 9.94      
23 A" 1333 1275 0.01      
24 A" 1263 1208 0.01      
25 A" 1131 1082 0.24      
26 A" 877 839 0.21      
27 A" 747 714 4.54      
28 A" 399 381 0.30      
29 A" 249 238 0.03      
30 A" 99 95 4.23      

Unscaled Zero Point Vibrational Energy (zpe) 22684.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 21702.1 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 mPW1PW91/6-311G**
ABC
0.80554 0.07571 0.07197

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.596 0.393 0.000
C2 -1.450 0.505 0.000
C3 0.000 0.629 0.000
C4 0.714 -0.728 0.000
C5 2.227 -0.570 0.000
H6 0.292 1.212 0.878
H7 0.292 1.212 -0.878
H8 0.393 -1.298 0.876
H9 0.393 -1.298 -0.876
H10 2.720 -1.544 0.000
H11 2.570 -0.025 0.883
H12 2.570 -0.025 -0.883

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15122.60673.49424.91833.12773.12773.54383.54385.65785.25745.2574
C21.15121.45562.49083.83152.07512.07512.72322.72324.64674.15014.1501
C32.60671.45561.53322.52931.09421.09422.15232.15233.48122.79482.7948
C43.49422.49081.53321.52192.17152.17151.09281.09282.16602.17292.1729
C54.91833.83152.52931.52192.77372.77372.15902.15901.09141.09311.0931
H63.12772.07511.09422.17152.77371.75672.51193.06393.77672.59223.1341
H73.12772.07511.09422.17152.77371.75673.06392.51193.77673.13412.5922
H83.54382.72322.15231.09282.15902.51193.06391.75222.49882.52183.0748
H93.54382.72322.15231.09282.15903.06392.51191.75222.49883.07482.5218
H105.65784.64673.48122.16601.09143.77673.77672.49882.49881.76361.7636
H115.25744.15012.79482.17291.09312.59223.13412.52183.07481.76361.7663
H125.25744.15012.79482.17291.09313.13412.59223.07482.52181.76361.7663

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.247 C2 C3 C4 112.874
C2 C3 H6 108.113 C2 C3 H7 108.113
C3 C4 C5 111.762 C3 C4 H8 108.939
C3 C4 H9 108.939 C4 C3 H6 110.362
C4 C3 H7 110.362 C4 C5 H10 110.881
C4 C5 H11 111.329 C4 C5 H12 111.329
C5 C4 H8 110.237 C5 C4 H9 110.237
H6 C3 H7 106.793 H8 C4 H9 106.575
H10 C5 H11 107.670 H10 C5 H12 107.670
H11 C5 H12 107.788
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.282      
2 C 0.083      
3 C -0.214      
4 C -0.278      
5 C -0.332      
6 H 0.171      
7 H 0.171      
8 H 0.149      
9 H 0.149      
10 H 0.135      
11 H 0.124      
12 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.147 0.030 0.000 4.148
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.568 1.011 0.000
y 1.011 -29.988 0.000
z 0.000 0.000 -30.219
Traceless
 xyz
x -12.465 1.011 0.000
y 1.011 6.406 0.000
z 0.000 0.000 6.059
Polar
3z2-r212.119
x2-y2-12.580
xy1.011
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.354 -0.297 0.000
y -0.297 6.108 0.000
z 0.000 0.000 5.667


<r2> (average value of r2) Å2
<r2> 158.541
(<r2>)1/2 12.591