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

using model chemistry: MP2/CEP-31G*

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/CEP-31G*
 hartrees
Energy at 0K-41.909699
Energy at 298.15K-41.916476
HF Energy-41.152841
Nuclear repulsion energy102.554199
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/CEP-31G*
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' 3260 3095 2.34      
2 A' 3202 3040 10.02      
3 A' 3187 3026 31.22      
4 A' 3088 2931 18.52      
5 A' 3083 2927 23.83      
6 A' 2164 2054 0.21      
7 A' 1702 1616 6.33      
8 A' 1536 1459 4.70      
9 A' 1500 1424 7.46      
10 A' 1454 1380 6.20      
11 A' 1402 1331 9.29      
12 A' 1339 1271 0.33      
13 A' 1301 1235 1.34      
14 A' 1135 1078 2.98      
15 A' 1076 1021 2.96      
16 A' 990 940 2.67      
17 A' 918 872 4.47      
18 A' 568 539 0.28      
19 A' 486 462 0.11      
20 A' 257 244 0.73      
21 A' 146 138 3.66      
22 A" 3192 3030 37.41      
23 A" 3136 2978 12.52      
24 A" 1534 1456 8.67      
25 A" 1312 1245 0.38      
26 A" 1129 1071 3.96      
27 A" 1022 970 52.05      
28 A" 869 825 6.38      
29 A" 751 713 1.70      
30 A" 459 436 2.94      
31 A" 296 281 0.03      
32 A" 183 174 0.11      
33 A" 123 117 2.90      

Unscaled Zero Point Vibrational Energy (zpe) 23899.2 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 22689.9 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/CEP-31G*
ABC
0.46916 0.05035 0.04627

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.492 2.940 0.000
C2 -0.819 1.943 0.000
H3 1.083 0.881 0.000
C4 0.000 0.739 0.000
H5 -1.678 -0.561 0.000
C6 -0.581 -0.505 0.000
H7 -0.142 -2.400 0.883
H8 -0.142 -2.400 -0.883
C9 0.183 -1.817 0.000
H10 2.186 -2.677 0.000
H11 2.072 -1.137 -0.896
H12 2.072 -1.137 0.896
C13 1.719 -1.677 0.000

Atom - Atom Distances (Å)
  N1 C2 H3 C4 H5 C6 H7 H8 C9 H10 H11 H12 C13
N11.20353.29732.65913.50623.56385.57815.57815.04326.71465.48905.48905.6245
C21.20352.17801.45572.64742.45964.48274.48273.89075.51124.31784.31784.4211
H33.29732.17801.09253.11532.16643.61193.61192.84413.72542.41932.41932.6363
C42.65911.45571.09252.12291.37363.26383.26382.56244.05602.93522.93522.9657
H53.50622.64743.11532.12291.09802.55312.55312.24514.40573.89833.89833.5761
C63.56382.45962.16641.37361.09802.13572.13571.51803.51812.87092.87092.5821
H75.57814.48273.61193.26382.55312.13571.76661.10732.50603.10852.54922.1837
H85.57814.48273.61193.26382.55312.13571.76661.10732.50602.54923.10852.1837
C95.04323.89072.84412.56242.24511.51801.10731.10732.18012.19822.19821.5426
H106.71465.51123.72544.05604.40573.51812.50602.50602.18011.78541.78541.1036
H115.48904.31782.41932.93523.89832.87093.10852.54922.19821.78541.79141.1039
H125.48904.31782.41932.93523.89832.87092.54923.10852.19821.78541.79141.1039
C135.62454.42112.63632.96573.57612.58212.18372.18371.54261.10361.10391.1039

picture of (E)-2-Pentenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 179.821 C2 C4 H3 116.747
C2 C4 C6 120.740 H3 C4 C6 122.513
C4 C6 H5 117.957 C4 C6 C9 124.713
H5 C6 C9 117.329 C6 C9 H7 107.859
C6 C9 H8 107.859 C6 C9 C13 115.057
H7 C9 H8 105.830 H7 C9 C13 109.904
H8 C9 C13 109.904 C9 C13 H10 109.836
C9 C13 H11 111.247 C9 C13 H12 111.247
H10 C13 H11 107.960 H10 C13 H12 107.960
H11 C13 H12 108.473
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability