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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CBS-Q
 hartrees
Energy at 0K-210.978247
Energy at 298.15K-210.971312
HF Energy-209.997161
Nuclear repulsion energy154.528482
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 CBS-Q
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' 3266 3266 42.42      
2 A' 3222 3222 19.58      
3 A' 3211 3211 10.30      
4 A' 3187 3187 29.89      
5 A' 2618 2618 18.27      
6 A' 1644 1644 4.20      
7 A' 1628 1628 0.86      
8 A' 1612 1612 2.77      
9 A' 1558 1558 1.22      
10 A' 1528 1528 2.39      
11 A' 1425 1425 3.64      
12 A' 1208 1208 2.80      
13 A' 1113 1113 0.06      
14 A' 1007 1007 5.15      
15 A' 942 942 2.67      
16 A' 579 579 1.47      
17 A' 373 373 0.41      
18 A' 182 182 8.09      
19 A" 3276 3276 55.23      
20 A" 3256 3256 19.14      
21 A" 3238 3238 1.32      
22 A" 1634 1634 6.81      
23 A" 1444 1444 0.05      
24 A" 1373 1373 0.07      
25 A" 1236 1236 0.07      
26 A" 945 945 0.03      
27 A" 796 796 2.73      
28 A" 432 432 1.72      
29 A" 260 260 0.01      
30 A" 108 108 5.01      

Unscaled Zero Point Vibrational Energy (zpe) 24150.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 24150.2 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 CBS-Q
ABC
0.78686 0.07479 0.07101

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.596 0.373 0.000
C2 -1.468 0.497 0.000
C3 0.000 0.636 0.000
C4 0.717 -0.723 0.000
C5 2.238 -0.560 0.000
H6 0.281 1.218 0.875
H7 0.281 1.218 -0.875
H8 0.403 -1.291 0.873
H9 0.403 -1.291 -0.873
H10 2.729 -1.530 0.000
H11 2.577 -0.016 0.880
H12 2.577 -0.016 -0.880

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.13462.60903.48954.92253.12283.12283.53863.53865.65445.26185.2618
C21.13461.47442.50263.85322.08372.08372.73102.73104.66064.17154.1715
C32.60901.47441.53732.53741.08701.08702.15412.15413.48442.80062.8006
C43.48952.50261.53731.52932.17332.17331.08771.08772.16752.17612.1761
C54.92253.85322.53741.52932.78472.78472.15952.15951.08741.08891.0889
H63.12282.08371.08702.17332.78471.74952.51203.06003.78272.60723.1427
H73.12282.08371.08702.17332.78471.74953.06002.51203.78273.14272.6072
H83.53862.73102.15411.08772.15952.51203.06001.74542.49592.52103.0704
H93.53862.73102.15411.08772.15953.06002.51201.74542.49593.07042.5210
H105.65444.66063.48442.16751.08743.78273.78272.49592.49591.75771.7577
H115.26184.17152.80062.17611.08892.60723.14272.52103.07041.75771.7601
H125.26184.17152.80062.17611.08893.14272.60723.07042.52101.75771.7601

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.156 C2 C3 C4 112.375
C2 C3 H6 107.916 C2 C3 H7 107.916
C3 C4 C5 111.671 C3 C4 H8 109.092
C3 C4 H9 109.092 C4 C3 H6 110.637
C4 C3 H7 110.637 C4 C5 H10 110.722
C4 C5 H11 111.324 C4 C5 H12 111.324
C5 C4 H8 110.072 C5 C4 H9 110.072
H6 C3 H7 107.160 H8 C4 H9 106.708
H10 C5 H11 107.732 H10 C5 H12 107.732
H11 C5 H12 107.844
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability