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All results from a given calculation for C5H7N ((Z)-2-Pentenenitrile)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-247.027936
Energy at 298.15K-247.034885
HF Energy-246.457312
Nuclear repulsion energy197.628706
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 MP2/3-21G*
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 3213 3056 4.96      
2 A 3179 3024 10.64      
3 A 3170 3015 20.70      
4 A 3162 3008 19.17      
5 A 3131 2979 1.85      
6 A 3088 2937 21.33      
7 A 3085 2935 8.65      
8 A 2135 2031 4.82      
9 A 1664 1583 0.50      
10 A 1604 1526 5.26      
11 A 1602 1524 6.97      
12 A 1579 1502 5.66      
13 A 1494 1421 2.85      
14 A 1466 1394 0.18      
15 A 1401 1333 0.46      
16 A 1357 1291 0.09      
17 A 1314 1250 0.57      
18 A 1191 1133 0.97      
19 A 1139 1084 5.86      
20 A 1010 960 2.67      
21 A 1006 957 1.43      
22 A 960 913 1.92      
23 A 857 816 3.58      
24 A 837 796 11.55      
25 A 800 761 34.69      
26 A 690 657 0.95      
27 A 604 575 3.46      
28 A 415 395 0.01      
29 A 397 377 0.64      
30 A 250 238 0.24      
31 A 219 209 2.85      
32 A 159 151 3.08      
33 A 50 47 0.75      

Unscaled Zero Point Vibrational Energy (zpe) 24112.4 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 22938.1 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 MP2/3-21G*
ABC
0.23397 0.06824 0.05769

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.732 -0.108 -0.085
N2 -2.436 -1.063 0.009
C3 -0.875 1.042 -0.196
H4 -1.341 1.952 -0.563
C5 0.434 1.024 0.132
H6 1.007 1.943 0.008
C7 1.201 -0.188 0.621
H8 0.502 -1.008 0.825
H9 1.714 0.061 1.558
C10 2.249 -0.643 -0.438
H11 1.742 -0.927 -1.365
H12 2.952 0.168 -0.657
H13 2.814 -1.505 -0.068

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 C10 H11 H12 H13
C11.19001.43882.15102.45413.42323.01782.57443.82144.03273.79234.72674.7563
N21.19002.62893.25863.55124.57063.79043.04954.57004.72514.40045.56635.2694
C31.43882.62891.08671.34932.09642.54732.67183.27733.55783.47733.95184.4847
H42.15103.25861.08672.12012.41693.52773.75294.17254.43214.29424.64975.4282
C52.45413.55121.34932.12011.08931.51582.14832.14502.53012.78582.77373.4790
H63.42324.57062.09642.41691.08932.22543.10272.53812.90333.26512.71523.8932
C73.01783.79042.54733.52771.51582.22541.09651.09751.55772.18692.19622.1933
H82.57443.04952.67183.75292.14833.10271.09651.77462.18642.51823.09502.5281
H93.82144.57003.27734.17252.14502.53811.09751.77462.18363.08622.53992.5114
C104.03274.72513.55784.43212.53012.90331.55772.18642.18361.09431.09531.0948
H113.79234.40043.47734.29422.78583.26512.18692.51823.08621.09431.77861.7798
H124.72675.56633.95184.64972.77372.71522.19623.09502.53991.09531.77861.7789
H134.75635.26944.48475.42823.47903.89322.19332.52812.51141.09481.77981.7789

picture of (Z)-2-Pentenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 116.099 C1 C3 C5 123.293
N2 C1 C3 179.668 C3 C5 H6 118.163
C3 C5 C7 125.409 H4 C3 C5 120.608
C5 C7 H8 109.603 C5 C7 H9 109.288
C5 C7 C10 110.801 H6 C5 C7 116.396
C7 C10 H11 109.865 C7 C10 H12 110.539
C7 C10 H13 110.334 H8 C7 H9 107.970
H8 C7 C10 109.703 H9 C7 C10 109.425
H11 C10 H12 108.641 H11 C10 H13 108.782
H12 C10 H13 108.632
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability