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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-210.230905
Energy at 298.15K-210.238365
HF Energy-210.230905
Nuclear repulsion energy153.382253
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 B3LYP/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' 3121 3012 24.93      
2 A' 3073 2965 17.01      
3 A' 3053 2946 3.49      
4 A' 3050 2943 14.89      
5 A' 2349 2267 3.92      
6 A' 1570 1515 8.04      
7 A' 1555 1501 3.43      
8 A' 1533 1479 5.17      
9 A' 1468 1417 5.12      
10 A' 1398 1349 3.11      
11 A' 1351 1303 0.73      
12 A' 1134 1094 7.42      
13 A' 1026 990 0.24      
14 A' 955 921 1.63      
15 A' 890 859 3.03      
16 A' 573 553 1.81      
17 A' 365 352 0.07      
18 A' 186 179 4.08      
19 A" 3127 3017 40.43      
20 A" 3100 2991 1.35      
21 A" 3083 2975 0.83      
22 A" 1569 1514 10.29      
23 A" 1369 1321 0.00      
24 A" 1312 1266 0.00      
25 A" 1175 1134 0.42      
26 A" 914 882 0.45      
27 A" 768 741 5.94      
28 A" 459 443 0.03      
29 A" 249 240 0.02      
30 A" 104 100 3.36      

Unscaled Zero Point Vibrational Energy (zpe) 22939.0 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 22133.9 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 B3LYP/3-21G
ABC
0.78872 0.07475 0.07101

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.614 0.404 0.000
C2 -1.455 0.514 0.000
C3 0.000 0.636 0.000
C4 0.711 -0.747 0.000
C5 2.243 -0.574 0.000
H6 0.310 1.207 0.885
H7 0.310 1.207 -0.885
H8 0.394 -1.310 0.884
H9 0.394 -1.310 -0.884
H10 2.741 -1.550 0.000
H11 2.572 -0.023 0.889
H12 2.572 -0.023 -0.889

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16422.62383.51814.95453.15873.15873.57263.57265.69935.27845.2784
C21.16421.45972.50613.85502.09242.09242.74352.74354.67544.15834.1583
C32.62381.45971.55492.54921.09771.09772.17352.17353.50552.79982.7998
C43.51812.50611.55491.54192.18172.18171.09531.09532.18252.18542.1854
C54.95453.85502.54921.54192.77352.77352.17792.17791.09481.09621.0962
H63.15872.09241.09772.18172.77351.76962.51813.07743.77992.57433.1260
H73.15872.09241.09772.18172.77351.76963.07742.51813.77993.12602.5743
H83.57262.74352.17351.09532.17792.51813.07741.76862.51902.52983.0891
H93.57262.74352.17351.09532.17793.07742.51811.76862.51903.08912.5298
H105.69934.67543.50552.18251.09483.77993.77992.51902.51901.77471.7747
H115.27844.15832.79982.18541.09622.57433.12602.52983.08911.77471.7770
H125.27844.15832.79982.18541.09623.12602.57433.08912.52981.77471.7770

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.344 C2 C3 C4 112.427
C2 C3 H6 108.980 C2 C3 H7 108.980
C3 C4 C5 110.804 C3 C4 H8 108.952
C3 C4 H9 108.952 C4 C3 H6 109.452
C4 C3 H7 109.452 C4 C5 H10 110.589
C4 C5 H11 110.738 C4 C5 H12 110.738
C5 C4 H8 110.193 C5 C4 H9 110.193
H6 C3 H7 107.421 H8 C4 H9 107.676
H10 C5 H11 108.191 H10 C5 H12 108.191
H11 C5 H12 108.297
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.484      
2 C 0.344      
3 C -0.437      
4 C -0.370      
5 C -0.556      
6 H 0.246      
7 H 0.246      
8 H 0.213      
9 H 0.213      
10 H 0.201      
11 H 0.193      
12 H 0.193      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.824 0.021 0.000 3.824
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.778 0.987 0.000
y 0.987 -29.994 0.000
z 0.000 0.000 -30.244
Traceless
 xyz
x -11.659 0.987 0.000
y 0.987 6.017 0.000
z 0.000 0.000 5.642
Polar
3z2-r211.284
x2-y2-11.785
xy0.987
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.251 -0.267 0.000
y -0.267 5.208 0.000
z 0.000 0.000 4.935


<r2> (average value of r2) Å2
<r2> 160.161
(<r2>)1/2 12.655