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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: MP2/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 MP2/SDD
 hartrees
Energy at 0K-210.391986
Energy at 298.15K-210.399144
HF Energy-209.914200
Nuclear repulsion energy150.624636
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 MP2/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' 3127 3019 40.12      
2 A' 3051 2945 40.70      
3 A' 3043 2938 0.01      
4 A' 3018 2914 31.42      
5 A' 2047 1976 1.55      
6 A' 1544 1490 10.20      
7 A' 1533 1480 2.48      
8 A' 1518 1465 3.47      
9 A' 1461 1411 6.40      
10 A' 1422 1373 2.26      
11 A' 1351 1304 0.05      
12 A' 1132 1093 3.75      
13 A' 1057 1020 0.16      
14 A' 940 907 3.26      
15 A' 872 842 3.26      
16 A' 501 484 2.33      
17 A' 339 328 0.03      
18 A' 160 154 4.42      
19 A" 3128 3019 80.94      
20 A" 3110 3002 0.02      
21 A" 3095 2988 0.22      
22 A" 1543 1489 10.29      
23 A" 1344 1297 0.11      
24 A" 1292 1247 0.03      
25 A" 1173 1132 0.01      
26 A" 911 880 0.59      
27 A" 767 741 3.84      
28 A" 352 340 0.07      
29 A" 224 216 0.01      
30 A" 94 91 3.78      

Unscaled Zero Point Vibrational Energy (zpe) 22575.0 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 21791.6 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 MP2/SDD
ABC
0.76882 0.07188 0.06831

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.690 0.341 0.000
C2 -1.486 0.488 0.000
C3 0.000 0.646 0.000
C4 0.747 -0.733 0.000
C5 2.293 -0.531 0.000
H6 0.292 1.229 0.893
H7 0.292 1.229 -0.893
H8 0.438 -1.309 0.892
H9 0.438 -1.309 -0.892
H10 2.813 -1.506 0.000
H11 2.616 0.031 0.896
H12 2.616 0.031 -0.896

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.21302.70753.60145.05933.23723.23723.64753.64755.80465.39005.3900
C21.21301.49452.54563.91472.12322.12322.78012.78014.73904.22354.2235
C32.70751.49451.56882.57801.10601.10602.19342.19343.54162.83262.8326
C43.60142.54561.56881.55922.20382.20381.10571.10572.20532.20842.2084
C55.05933.91472.57801.55922.81152.81152.20052.20051.10411.10551.1055
H63.23722.12321.10602.20382.81151.78672.54273.10683.82552.61503.1684
H73.23722.12321.10602.20382.81151.78673.10682.54273.82553.16842.6150
H83.64752.78012.19341.10572.20052.54273.10681.78342.54432.55693.1197
H93.64752.78012.19341.10572.20053.10682.54271.78342.54433.11972.5569
H105.80464.73903.54162.20531.10413.82553.82552.54432.54431.78921.7892
H115.39004.22352.83262.20841.10552.61503.16842.55693.11971.78921.7915
H125.39004.22352.83262.20841.10553.16842.61503.11972.55691.78921.7915

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.088 C2 C3 C4 112.381
C2 C3 H6 108.543 C2 C3 H7 108.543
C3 C4 C5 111.013 C3 C4 H8 108.959
C3 C4 H9 108.959 C4 C3 H6 109.750
C4 C3 H7 109.750 C4 C5 H10 110.636
C4 C5 H11 110.791 C4 C5 H12 110.791
C5 C4 H8 110.164 C5 C4 H9 110.164
H6 C3 H7 107.753 H8 C4 H9 107.497
H10 C5 H11 108.139 H10 C5 H12 108.139
H11 C5 H12 108.244
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability