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

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-249.905571
Energy at 298.15K-249.915040
HF Energy-249.043421
Nuclear repulsion energy218.784500
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/cc-pVDZ
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 3202 3050 12.69      
2 A 3191 3040 14.14      
3 A 3189 3038 23.44      
4 A 3179 3028 22.23      
5 A 3144 2995 8.72      
6 A 3091 2944 9.77      
7 A 3090 2943 21.95      
8 A 3084 2938 17.97      
9 A 3083 2937 2.18      
10 A 2182 2078 0.54      
11 A 1508 1436 1.93      
12 A 1500 1429 8.31      
13 A 1496 1425 6.64      
14 A 1491 1420 8.79      
15 A 1480 1410 0.24      
16 A 1415 1348 1.63      
17 A 1408 1341 3.72      
18 A 1378 1313 0.23      
19 A 1351 1286 1.34      
20 A 1316 1254 2.76      
21 A 1282 1221 1.88      
22 A 1191 1135 2.12      
23 A 1165 1110 0.20      
24 A 1121 1068 3.06      
25 A 1075 1024 1.68      
26 A 1012 964 1.46      
27 A 973 927 3.34      
28 A 916 873 0.26      
29 A 817 779 0.44      
30 A 776 739 2.75      
31 A 549 523 0.13      
32 A 527 502 0.68      
33 A 401 382 0.20      
34 A 320 305 0.41      
35 A 294 280 0.08      
36 A 226 215 0.09      
37 A 202 192 1.81      
38 A 158 150 4.39      
39 A 92 88 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 28939.0 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 27564.4 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/cc-pVDZ
ABC
0.21647 0.07273 0.05834

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.528 -0.283 0.123
N2 -2.625 -0.673 -0.102
C3 -0.008 1.641 -0.152
H4 -0.107 1.661 -1.251
H5 -0.784 2.294 0.277
H6 0.977 2.051 0.120
C7 2.313 -0.426 0.063
H8 2.470 -0.348 1.153
H9 2.991 -1.205 -0.320
H10 2.614 0.530 -0.394
C11 0.859 -0.781 -0.255
H12 0.699 -0.803 -1.348
H13 0.634 -1.796 0.118
C14 -0.155 0.202 0.370
H15 -0.009 0.203 1.467

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.18602.46692.77142.68663.42323.84384.12934.63344.25222.46702.71872.63891.47672.0856
N21.18603.49343.61973.51234.52104.94675.25775.64555.38303.48863.55173.45432.66253.1738
C32.46693.49341.10301.10141.10083.11513.43534.13802.85782.57432.81123.50651.53802.1659
H42.77143.61971.10301.78691.79053.45524.05694.32243.06882.80862.59433.79102.18123.0859
H52.68663.51231.10141.78691.78414.12724.28225.18203.88683.52673.79914.33172.18682.5280
H63.42324.52101.10081.79051.78412.81483.00893.85422.29312.85903.22163.86192.18232.4906
C73.84384.94673.11513.45524.12722.81481.10391.10201.10161.53032.17732.16732.56472.7851
H84.12935.25773.43534.05694.28223.00891.10391.78201.78492.18333.09892.55712.79422.5591
H94.63345.64554.13804.32245.18203.85421.10201.78201.77732.17532.54482.46903.51483.7652
H104.25225.38302.85783.06883.88682.29311.10161.78491.77732.19512.52103.09682.89103.2329
C112.46703.48862.57432.80863.52672.85901.53032.18332.17532.19511.10551.10411.54392.1645
H122.71873.55172.81122.59433.79913.22162.17733.09892.54482.52101.10551.77192.16583.0723
H132.63893.45433.50653.79104.33173.86192.16732.55712.46903.09681.10411.77192.16252.4954
C141.47672.66251.53802.18122.18682.18232.56472.79423.51482.89101.54392.16582.16251.1068
H152.08563.17382.16593.08592.52802.49062.78512.55913.76523.23292.16453.07232.49541.1068

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 109.811 C1 C14 C11 109.501
C1 C14 H15 106.787 N2 C1 C14 178.690
C3 C14 C11 113.298 C3 C14 H15 108.863
H4 C3 H5 108.304 H4 C3 H6 108.669
H4 C3 C14 110.274 H5 C3 H6 108.216
H5 C3 C14 110.811 H6 C3 C14 110.493
C7 C11 H12 110.358 C7 C11 H13 109.653
C7 C11 C14 113.085 H8 C7 H9 107.773
H8 C7 H10 108.052 H8 C7 C11 110.924
H9 C7 H10 107.517 H9 C7 C11 110.405
H10 C7 C11 112.003 C11 C14 H15 108.362
H12 C11 H13 106.624 H12 C11 C14 108.537
H13 C11 C14 108.358
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability