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/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-211.105407
Energy at 298.15K-211.112587
HF Energy-211.105407
Nuclear repulsion energy152.852515
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/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' 3061 3043 19.72      
2 A' 2987 2969 21.11      
3 A' 2970 2952 21.02      
4 A' 2968 2950 2.61      
5 A' 2276 2262 9.85      
6 A' 1432 1424 5.82      
7 A' 1418 1409 0.92      
8 A' 1389 1381 3.56      
9 A' 1353 1345 1.53      
10 A' 1325 1317 3.39      
11 A' 1242 1235 3.29      
12 A' 1078 1072 2.23      
13 A' 1042 1036 0.29      
14 A' 955 950 1.19      
15 A' 861 856 2.27      
16 A' 518 515 1.00      
17 A' 340 338 0.01      
18 A' 161 160 4.58      
19 A" 3052 3034 38.50      
20 A" 3028 3010 1.43      
21 A" 3005 2987 0.45      
22 A" 1422 1414 7.69      
23 A" 1272 1265 0.01      
24 A" 1203 1196 0.00      
25 A" 1074 1068 0.22      
26 A" 840 835 0.31      
27 A" 728 724 4.59      
28 A" 380 378 0.03      
29 A" 251 250 0.03      
30 A" 100 99 3.50      

Unscaled Zero Point Vibrational Energy (zpe) 21863.7 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 21736.9 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 PBEPBE/cc-pVDZ
ABC
0.79015 0.07425 0.07060

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.628 0.393 0.000
C2 -1.459 0.508 0.000
C3 0.000 0.629 0.000
C4 0.725 -0.733 0.000
C5 2.245 -0.570 0.000
H6 0.299 1.225 0.890
H7 0.299 1.225 -0.890
H8 0.398 -1.313 0.888
H9 0.398 -1.313 -0.888
H10 2.751 -1.555 0.000
H11 2.594 -0.013 0.895
H12 2.594 -0.013 -0.895

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17462.63893.53704.96763.17083.17083.58583.58585.72135.31405.3140
C21.17461.46442.51223.85832.09712.09712.74902.74904.68914.18374.1837
C32.63891.46441.54312.54531.11201.11202.17272.17273.51302.81842.8184
C43.53702.51221.54311.52932.19282.19281.11021.11022.18692.19392.1939
C54.96763.85832.54531.52932.79322.79322.18042.18041.10781.11011.1101
H63.17082.09711.11202.19282.79321.77952.54063.10103.81272.60813.1604
H73.17082.09711.11202.19282.79321.77953.10102.54063.81273.16042.6081
H83.58582.74902.17271.11022.18042.54063.10101.77672.52692.55173.1132
H93.58582.74902.17271.11022.18043.10102.54061.77672.52693.11322.5517
H105.72134.68913.51302.18691.10783.81273.81272.52692.52691.78961.7896
H115.31404.18372.81842.19391.11012.60813.16042.55173.11321.78961.7905
H125.31404.18372.81842.19391.11013.16042.60813.11322.55171.78961.7905

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.094 C2 C3 C4 113.273
C2 C3 H6 108.196 C2 C3 H7 108.196
C3 C4 C5 111.879 C3 C4 H8 108.853
C3 C4 H9 108.853 C4 C3 H6 110.306
C4 C3 H7 110.306 C4 C5 H10 111.044
C4 C5 H11 111.460 C4 C5 H12 111.460
C5 C4 H8 110.392 C5 C4 H9 110.392
H6 C3 H7 106.290 H8 C4 H9 106.296
H10 C5 H11 107.586 H10 C5 H12 107.586
H11 C5 H12 107.505
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.117      
2 C -0.094      
3 C -0.011      
4 C -0.079      
5 C -0.053      
6 H 0.073      
7 H 0.073      
8 H 0.046      
9 H 0.046      
10 H 0.040      
11 H 0.038      
12 H 0.038      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.898 0.013 0.000 3.898
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.596 0.964 0.000
y 0.964 -30.037 0.000
z 0.000 0.000 -30.312
Traceless
 xyz
x -11.421 0.964 0.000
y 0.964 5.917 0.000
z 0.000 0.000 5.504
Polar
3z2-r211.009
x2-y2-11.558
xy0.964
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.631 -0.342 0.000
y -0.342 6.199 0.000
z 0.000 0.000 5.737


<r2> (average value of r2) Å2
<r2> 161.092
(<r2>)1/2 12.692