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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: CISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-311G*
 hartrees
Energy at 0K-210.660259
Energy at 298.15K-210.667698
HF Energy-210.039041
Nuclear repulsion energy154.649856
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 CISD/6-311G*
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' 3216 2976 33.08      
2 A' 3165 2929 20.83      
3 A' 3156 2920 5.63      
4 A' 3134 2900 23.80      
5 A' 2472 2288 6.82      
6 A' 1587 1469 9.83      
7 A' 1572 1455 1.73      
8 A' 1558 1442 3.41      
9 A' 1502 1390 3.87      
10 A' 1474 1364 2.51      
11 A' 1375 1272 0.78      
12 A' 1174 1086 2.83      
13 A' 1107 1024 0.03      
14 A' 999 924 3.70      
15 A' 923 854 2.19      
16 A' 561 519 0.99      
17 A' 364 337 0.20      
18 A' 176 163 6.77      
19 A" 3220 2980 51.18      
20 A" 3204 2964 8.70      
21 A" 3187 2949 0.30      
22 A" 1579 1461 10.21      
23 A" 1401 1296 0.03      
24 A" 1332 1232 0.03      
25 A" 1195 1106 0.09      
26 A" 918 849 0.11      
27 A" 770 712 3.51      
28 A" 411 381 0.61      
29 A" 252 233 0.02      
30 A" 104 96 4.43      

Unscaled Zero Point Vibrational Energy (zpe) 23542.7 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 21784.1 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 CISD/6-311G*
ABC
0.80365 0.07582 0.07203

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.597 0.363 0.000
C2 -1.459 0.490 0.000
C3 0.000 0.634 0.000
C4 0.718 -0.719 0.000
C5 2.232 -0.550 0.000
H6 0.282 1.216 0.875
H7 0.282 1.216 -0.875
H8 0.404 -1.288 0.873
H9 0.404 -1.288 -0.873
H10 2.731 -1.516 0.000
H11 2.568 -0.004 0.880
H12 2.568 -0.004 -0.880

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.14512.61133.48704.91443.12823.12823.53453.53455.64955.25265.2526
C21.14511.46632.49053.83492.07992.07992.71972.71974.64584.15204.1520
C32.61131.46631.53172.52631.08871.08872.14952.14953.47572.78872.7887
C43.48702.49051.53171.52342.16862.16861.08881.08882.16512.17032.1703
C54.91443.83492.52631.52342.77262.77262.15652.15651.08751.08901.0890
H63.12822.07991.08872.16862.77261.75092.50753.05723.77222.59133.1300
H73.12822.07991.08872.16862.77261.75093.05722.50753.77223.13002.5913
H83.53452.71972.14951.08882.15652.50753.05721.74702.49622.51703.0676
H93.53452.71972.14951.08882.15653.05722.50751.74702.49623.06762.5170
H105.64954.64583.47572.16511.08753.77223.77222.49622.49621.75731.7573
H115.25264.15202.78872.17031.08902.59133.13002.51703.06761.75731.7603
H125.25264.15202.78872.17031.08903.13002.59133.06762.51701.75731.7603

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.203 C2 C3 C4 112.332
C2 C3 H6 108.076 C2 C3 H7 108.076
C3 C4 C5 111.565 C3 C4 H8 109.052
C3 C4 H9 109.052 C4 C3 H6 110.559
C4 C3 H7 110.559 C4 C5 H10 110.934
C4 C5 H11 111.265 C4 C5 H12 111.265
C5 C4 H8 110.175 C5 C4 H9 110.175
H6 C3 H7 107.047 H8 C4 H9 106.690
H10 C5 H11 107.684 H10 C5 H12 107.684
H11 C5 H12 107.842
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability