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: HF/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/SDD
 hartrees
Energy at 0K-209.925434
Energy at 298.15K-209.933003
HF Energy-209.925434
Nuclear repulsion energy153.982481
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 HF/SDD
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' 3285 2958 62.84      
2 A' 3238 2916 28.03      
3 A' 3228 2907 16.65      
4 A' 3194 2876 47.25      
5 A' 2515 2265 21.11      
6 A' 1660 1494 11.32      
7 A' 1648 1484 4.54      
8 A' 1635 1472 4.65      
9 A' 1572 1415 6.03      
10 A' 1531 1379 4.11      
11 A' 1456 1311 0.11      
12 A' 1227 1105 4.16      
13 A' 1136 1023 0.17      
14 A' 1020 918 9.26      
15 A' 951 856 5.36      
16 A' 583 525 2.74      
17 A' 378 340 0.27      
18 A' 188 169 6.47      
19 A" 3302 2974 75.57      
20 A" 3281 2954 30.70      
21 A" 3261 2936 5.76      
22 A" 1649 1485 11.48      
23 A" 1448 1304 0.22      
24 A" 1387 1249 0.04      
25 A" 1260 1134 0.00      
26 A" 972 875 0.43      
27 A" 822 740 3.77      
28 A" 441 397 0.03      
29 A" 249 225 0.02      
30 A" 105 94 5.08      

Unscaled Zero Point Vibrational Energy (zpe) 24309.6 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 21888.4 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 HF/SDD
ABC
0.80309 0.07484 0.07112

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.613 0.381 0.000
C2 -1.466 0.496 0.000
C3 0.000 0.635 0.000
C4 0.721 -0.730 0.000
C5 2.246 -0.558 0.000
H6 0.287 1.209 0.873
H7 0.287 1.209 -0.873
H8 0.412 -1.296 0.871
H9 0.412 -1.296 -0.871
H10 2.739 -1.523 0.000
H11 2.580 -0.014 0.878
H12 2.580 -0.014 -0.878

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15272.62583.51394.94873.14013.14013.56703.56705.68035.28185.2818
C21.15271.47312.50723.85882.08432.08432.73872.73874.66464.17194.1719
C32.62581.47311.54372.54291.08321.08322.15872.15873.48682.80162.8016
C43.51392.50721.54371.53472.17022.17021.08371.08372.16832.17722.1772
C54.94873.85882.54291.53472.77862.77862.16002.16001.08371.08541.0854
H63.14012.08431.08322.17022.77861.74542.50883.05513.77322.59903.1337
H73.14012.08431.08322.17022.77861.74543.05512.50883.77323.13372.5990
H83.56702.73872.15871.08372.16002.50883.05511.74152.49452.51873.0662
H93.56702.73872.15871.08372.16003.05512.50881.74152.49453.06622.5187
H105.68034.66463.48682.16831.08373.77323.77322.49452.49451.75261.7526
H115.28184.17192.80162.17721.08542.59903.13372.51873.06621.75261.7560
H125.28184.17192.80162.17721.08543.13372.59903.06622.51871.75261.7560

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.663 C2 C3 C4 112.401
C2 C3 H6 108.286 C2 C3 H7 108.286
C3 C4 C5 111.387 C3 C4 H8 109.239
C3 C4 H9 109.239 C4 C3 H6 110.178
C4 C3 H7 110.178 C4 C5 H10 110.623
C4 C5 H11 111.237 C4 C5 H12 111.237
C5 C4 H8 109.969 C5 C4 H9 109.969
H6 C3 H7 107.352 H8 C4 H9 106.930
H10 C5 H11 107.805 H10 C5 H12 107.805
H11 C5 H12 107.987
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.081      
2 C -0.109      
3 C -0.324      
4 C -0.258      
5 C -0.566      
6 H 0.216      
7 H 0.216      
8 H 0.181      
9 H 0.181      
10 H 0.196      
11 H 0.174      
12 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.457 0.099 0.000 4.458
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.984 1.078 0.000
y 1.078 -30.617 0.000
z 0.000 0.000 -30.830
Traceless
 xyz
x -14.261 1.078 0.000
y 1.078 7.291 0.000
z 0.000 0.000 6.970
Polar
3z2-r213.940
x2-y2-14.368
xy1.078
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.363 -0.155 0.000
y -0.155 5.341 0.000
z 0.000 0.000 5.066


<r2> (average value of r2) Å2
<r2> 160.719
(<r2>)1/2 12.678