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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: HF/3-21G

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/3-21G
 hartrees
Energy at 0K-208.831149
Energy at 298.15K-208.838832
HF Energy-208.831149
Nuclear repulsion energy154.577434
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/3-21G
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' 3265 2956 31.70      
2 A' 3229 2924 17.57      
3 A' 3221 2917 0.01      
4 A' 3197 2895 21.19      
5 A' 2587 2343 7.38      
6 A' 1673 1515 7.93      
7 A' 1660 1503 3.61      
8 A' 1641 1486 5.44      
9 A' 1580 1431 5.77      
10 A' 1516 1373 3.12      
11 A' 1463 1325 0.98      
12 A' 1221 1106 7.38      
13 A' 1075 974 0.15      
14 A' 993 899 5.81      
15 A' 945 856 3.02      
16 A' 614 556 2.26      
17 A' 387 351 0.36      
18 A' 199 181 5.45      
19 A" 3282 2972 36.94      
20 A" 3257 2949 5.89      
21 A" 3243 2937 5.12      
22 A" 1673 1515 10.38      
23 A" 1471 1332 0.02      
24 A" 1412 1279 0.00      
25 A" 1271 1151 0.21      
26 A" 982 889 0.33      
27 A" 818 741 5.36      
28 A" 493 446 0.03      
29 A" 256 232 0.02      
30 A" 108 98 4.14      

Unscaled Zero Point Vibrational Energy (zpe) 24364.5 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 22064.5 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/3-21G
ABC
0.79833 0.07575 0.07193

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.589 0.398 0.000
C2 -1.455 0.508 0.000
C3 0.000 0.638 0.000
C4 0.704 -0.741 0.000
C5 2.233 -0.573 0.000
H6 0.299 1.203 0.876
H7 0.299 1.203 -0.876
H8 0.392 -1.298 0.875
H9 0.392 -1.298 -0.875
H10 2.723 -1.539 0.000
H11 2.561 -0.028 0.879
H12 2.561 -0.028 -0.879

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.13952.59983.48374.91883.12333.12333.53893.53895.65355.24135.2413
C21.13951.46042.49353.84312.07972.07972.72702.72704.65204.14534.1453
C32.59981.46041.54802.54051.08421.08422.16042.16043.48622.78832.7883
C43.48372.49351.54801.53902.16972.16971.08311.08312.17122.17462.1746
C54.91883.84312.54051.53902.76772.76772.16422.16421.08351.08471.0847
H63.12332.07971.08422.16972.76771.75182.50253.05403.76282.57483.1162
H73.12332.07971.08422.16972.76771.75183.05402.50253.76283.11622.5748
H83.53892.72702.16041.08312.16422.50253.05401.74942.50132.51333.0649
H93.53892.72702.16041.08312.16423.05402.50251.74942.50133.06492.5133
H105.65354.65203.48622.17121.08353.76283.76282.50132.50131.75571.7557
H115.24134.14532.78832.17461.08472.57483.11622.51333.06491.75571.7589
H125.24134.14532.78832.17461.08473.11622.57483.06492.51331.75571.7589

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.545 C2 C3 C4 111.935
C2 C3 H6 108.737 C2 C3 H7 108.737
C3 C4 C5 110.767 C3 C4 H8 109.114
C3 C4 H9 109.114 C4 C3 H6 109.776
C4 C3 H7 109.776 C4 C5 H10 110.566
C4 C5 H11 110.771 C4 C5 H12 110.771
C5 C4 H8 110.031 C5 C4 H9 110.031
H6 C3 H7 107.778 H8 C4 H9 107.720
H10 C5 H11 108.146 H10 C5 H12 108.146
H11 C5 H12 108.343
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.516      
2 C 0.339      
3 C -0.452      
4 C -0.416      
5 C -0.592      
6 H 0.270      
7 H 0.270      
8 H 0.234      
9 H 0.234      
10 H 0.217      
11 H 0.206      
12 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.104 0.051 0.000 4.104
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.468 1.047 0.000
y 1.047 -30.511 0.000
z 0.000 0.000 -30.763
Traceless
 xyz
x -12.831 1.047 0.000
y 1.047 6.605 0.000
z 0.000 0.000 6.226
Polar
3z2-r212.452
x2-y2-12.958
xy1.047
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.822 -0.204 0.000
y -0.204 5.055 0.000
z 0.000 0.000 4.825


<r2> (average value of r2) Å2
<r2> 158.929
(<r2>)1/2 12.607