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All results from a given calculation for C5H9N (Butanenitrile, 2-methyl-)

using model chemistry: MP2/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/TZVP
 hartrees
Energy at 0K-250.010926
Energy at 298.15K-250.020418
HF Energy-249.106597
Nuclear repulsion energy220.618222
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/TZVP
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 3195 3028 14.32      
2 A 3183 3017 22.90      
3 A 3182 3016 23.12      
4 A 3171 3006 26.51      
5 A 3143 2979 7.35      
6 A 3096 2934 13.33      
7 A 3091 2930 22.21      
8 A 3086 2925 2.43      
9 A 3084 2923 12.41      
10 A 2204 2090 0.02      
11 A 1536 1456 1.62      
12 A 1526 1447 11.56      
13 A 1520 1441 10.02      
14 A 1518 1439 4.44      
15 A 1502 1424 0.47      
16 A 1440 1365 4.03      
17 A 1437 1362 3.89      
18 A 1404 1331 0.25      
19 A 1368 1297 0.98      
20 A 1333 1264 2.06      
21 A 1304 1236 1.30      
22 A 1211 1147 1.43      
23 A 1168 1107 0.29      
24 A 1132 1073 3.66      
25 A 1072 1016 1.26      
26 A 1019 966 0.75      
27 A 991 940 3.29      
28 A 919 871 0.24      
29 A 828 784 0.49      
30 A 781 741 1.86      
31 A 556 527 0.15      
32 A 530 502 0.61      
33 A 408 387 0.20      
34 A 317 301 0.50      
35 A 299 283 0.06      
36 A 214 203 0.05      
37 A 200 190 2.03      
38 A 155 147 5.06      
39 A 94 89 1.60      

Unscaled Zero Point Vibrational Energy (zpe) 29108.1 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 27591.6 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/TZVP
ABC
0.22015 0.07397 0.05933

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.491 -0.321 0.125
N2 -2.558 -0.726 -0.118
C3 -0.106 1.649 -0.150
H4 -0.261 1.651 -1.229
H5 -0.882 2.259 0.311
H6 0.854 2.103 0.070
C7 2.342 -0.385 0.044
H8 2.522 -0.344 1.119
H9 3.006 -1.132 -0.388
H10 2.603 0.576 -0.389
C11 0.877 -0.758 -0.233
H12 0.707 -0.809 -1.309
H13 0.702 -1.751 0.183
C14 -0.177 0.200 0.380
H15 -0.022 0.222 1.462

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.16672.42322.68952.65683.37313.83454.13454.59844.22192.43472.66942.61841.43592.0590
N21.16673.41313.48693.44964.43624.91445.24225.58525.32873.43703.47623.42992.60223.1342
C32.42323.41311.09001.08951.08513.18883.53454.18072.92352.60112.83643.51011.54462.1547
H42.68953.48691.09001.76861.77093.54174.15244.37393.17232.84432.64483.80712.16873.0566
H52.65683.44961.08951.76861.75994.17804.36095.20643.93273.53433.81604.31282.17722.4924
H63.37314.43621.08511.77091.75992.89913.14213.91262.36662.87703.22563.85852.18692.4991
C73.83454.91443.18883.54174.17802.89911.09061.08911.08531.53692.16482.13922.60822.8231
H84.13455.24223.53454.15244.36093.14211.09061.76791.76842.16923.06742.48352.85112.6292
H94.59845.58524.18074.37395.20643.91261.08911.76791.75502.16712.49822.45333.53543.7984
H104.22195.32872.92353.17233.93272.36661.08531.76841.75502.18602.52143.05822.90873.2315
C112.43473.43702.60112.84433.53432.87701.53692.16922.16712.18601.09071.09111.55102.1550
H122.66943.47622.83642.64483.81603.22562.16483.06742.49822.52141.09071.76492.15743.0457
H132.61843.42993.51013.80714.31283.85852.13922.48352.45333.05821.09111.76492.14852.4600
C141.43592.60221.54462.16872.17722.18692.60822.85113.53542.90871.55102.15742.14851.0932
H152.05903.13422.15473.05662.49242.49912.82312.62923.79843.23152.15503.04572.46001.0932

picture of Butanenitrile, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C14 C3 108.725 C1 C14 C11 109.136
C1 C14 H15 108.241 N2 C1 C14 178.058
C3 C14 C11 114.331 C3 C14 H15 108.329
H4 C3 H5 108.484 H4 C3 H6 109.010
H4 C3 C14 109.596 H5 C3 H6 108.060
H5 C3 C14 110.297 H6 C3 C14 111.329
C7 C11 H12 109.785 C7 C11 H13 107.774
C7 C11 C14 115.266 H8 C7 H9 108.402
H8 C7 H10 108.723 H8 C7 C11 110.137
H9 C7 H10 107.629 H9 C7 C11 110.057
H10 C7 C11 111.795 C11 C14 H15 107.920
H12 C11 H13 107.990 H12 C11 C14 108.246
H13 C11 C14 107.541
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability