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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-248.792318
Energy at 298.15K-248.799034
HF Energy-247.917138
Nuclear repulsion energy196.398893
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' 3246 3077 1.68      
2 A' 3201 3035 6.61      
3 A' 3181 3016 22.55      
4 A' 3088 2927 17.20      
5 A' 3075 2914 13.50      
6 A' 2201 2086 0.04      
7 A' 1702 1613 7.73      
8 A' 1532 1452 4.47      
9 A' 1490 1412 8.68      
10 A' 1442 1367 5.64      
11 A' 1402 1329 5.95      
12 A' 1352 1282 0.32      
13 A' 1315 1247 1.76      
14 A' 1132 1073 1.97      
15 A' 1079 1022 3.56      
16 A' 994 942 1.37      
17 A' 915 868 3.82      
18 A' 578 547 0.40      
19 A' 500 474 0.01      
20 A' 262 248 0.78      
21 A' 148 140 4.08      
22 A" 3174 3009 22.80      
23 A" 3112 2950 6.84      
24 A" 1519 1440 8.57      
25 A" 1299 1232 0.56      
26 A" 1116 1057 1.62      
27 A" 985 934 38.06      
28 A" 838 795 4.72      
29 A" 730 692 0.04      
30 A" 439 416 4.11      
31 A" 279 265 0.01      
32 A" 165 156 0.07      
33 A" 94 90 3.31      

Unscaled Zero Point Vibrational Energy (zpe) 23791.1 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 22551.6 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
0.48609 0.05189 0.04771

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.472 2.709 0.000
C2 -0.787 1.767 0.000
H3 1.032 0.815 0.000
C4 0.000 0.682 0.000
H5 -1.558 -0.638 0.000
C6 -0.517 -0.557 0.000
H7 -0.021 -2.377 0.893
H8 -0.021 -2.377 -0.893
C9 0.257 -1.813 0.000
H10 2.256 -2.641 0.000
H11 2.105 -1.128 -0.893
H12 2.105 -1.128 0.893
C13 1.781 -1.661 0.000

Atom - Atom Distances (Å)
  N1 C2 H3 C4 H5 C6 H7 H8 C9 H10 H11 H12 C13
N11.16443.13902.50433.34733.40195.36345.36344.84106.51995.32085.32085.4473
C21.16442.05291.33992.52512.33914.30784.30783.72925.35584.18834.18834.2830
H33.13902.05291.04062.96992.06963.47833.47832.74053.66642.39292.39292.5869
C42.50431.33991.04062.04211.34273.18733.18732.50884.01642.91662.91662.9433
H53.34732.52512.96992.04211.04392.48712.48712.16244.30763.80213.80213.4926
C63.40192.33912.06961.34271.04392.08762.08761.47593.46872.82852.82852.5500
H75.36344.30783.47833.18732.48712.08761.78621.09222.45963.04452.46572.1353
H85.36344.30783.47833.18732.48712.08761.78621.09222.45962.46573.04452.1353
C94.84103.72922.74052.50882.16241.47591.09221.09222.16312.16372.16371.5321
H106.51995.35583.66644.01644.30763.46872.45962.45962.16311.76291.76291.0889
H115.32084.18832.39292.91663.80212.82853.04452.46572.16371.76291.78561.0887
H125.32084.18832.39292.91663.80212.82852.46573.04452.16371.76291.78561.0887
C135.44734.28302.58692.94333.49262.55002.13532.13531.53211.08891.08871.0887

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 179.940 C2 C4 H3 118.624
C2 C4 C6 121.374 H3 C4 C6 120.002
C4 C6 H5 117.109 C4 C6 C9 125.702
H5 C6 C9 117.188 C6 C9 H7 107.821
C6 C9 H8 107.821 C6 C9 C13 115.921
H7 C9 H8 109.720 H7 C9 C13 107.737
H8 C9 C13 107.737 C9 C13 H10 110.094
C9 C13 H11 110.152 C9 C13 H12 110.152
H10 C13 H11 108.106 H10 C13 H12 108.106
H11 C13 H12 110.182
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability