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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-285.734405
Energy at 298.15K-285.742202
HF Energy-284.837624
Nuclear repulsion energy215.737847
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 MP2/6-31G**
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' 3242 3036 16.27      
2 A' 3144 2944 11.01      
3 A' 3074 2878 58.03      
4 A' 3069 2874 11.72      
5 A' 2224 2082 9.68      
6 A' 1589 1488 1.68      
7 A' 1562 1463 0.66      
8 A' 1559 1460 5.28      
9 A' 1492 1397 12.23      
10 A' 1454 1361 9.58      
11 A' 1416 1326 72.47      
12 A' 1191 1115 140.99      
13 A' 1179 1104 50.08      
14 A' 1078 1010 18.73      
15 A' 976 914 8.65      
16 A' 924 865 6.05      
17 A' 551 516 0.96      
18 A' 429 401 0.90      
19 A' 298 279 2.19      
20 A' 132 124 3.15      
21 A" 3254 3047 16.48      
22 A" 3122 2924 9.44      
23 A" 3116 2918 65.57      
24 A" 1544 1446 4.78      
25 A" 1333 1248 1.62      
26 A" 1283 1202 3.51      
27 A" 1222 1145 6.86      
28 A" 1063 995 1.82      
29 A" 848 794 0.31      
30 A" 351 329 1.73      
31 A" 267 250 0.42      
32 A" 111 104 6.50      
33 A" 75 70 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 24084.6 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 22555.2 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 MP2/6-31G**
ABC
0.51357 0.04994 0.04671

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.970 2.523 0.000
C2 -1.257 1.040 0.000
O3 0.000 0.362 0.000
C4 -0.179 -1.038 0.000
C5 1.147 -1.670 0.000
N6 2.197 -2.208 0.000
H7 -1.902 3.087 0.000
H8 -0.397 2.793 0.883
H9 -0.397 2.793 -0.883
H10 -1.836 0.750 -0.885
H11 -1.836 0.750 0.885
H12 -0.732 -1.376 -0.885
H13 -0.732 -1.376 0.885

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51042.36863.64844.69725.69341.08901.08741.08742.16252.16254.00514.0051
C21.51041.42772.34143.62234.74112.14592.14342.14341.09691.09692.62582.6258
O32.36861.42771.41212.33353.38143.32262.61682.61682.07462.07462.08322.0832
C43.64842.34141.41211.46832.64814.47063.93843.93842.59392.59391.09701.0970
C54.69723.62232.33351.46831.18005.64984.80454.80453.94173.94172.09772.0977
N65.69344.74113.38142.64811.18006.69605.70285.70285.07925.07923.17103.1710
H71.08902.14593.32264.47065.64986.69601.76991.76992.49952.49954.69744.6974
H81.08742.14342.61683.93844.80455.70281.76991.76693.06172.49924.54114.1825
H91.08742.14342.61683.93844.80455.70281.76991.76692.49923.06174.18254.5411
H102.16251.09692.07462.59393.94175.07922.49953.06172.49921.77042.39532.9786
H112.16251.09692.07462.59393.94175.07922.49952.49923.06171.77042.97862.3953
H124.00512.62582.08321.09702.09773.17104.69744.54114.18252.39532.97861.7705
H134.00512.62582.08321.09702.09773.17104.69744.18254.54112.97862.39531.7705

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.408 C1 C2 H10 111.084
C1 C2 H11 111.084 C2 C1 H7 110.233
C2 C1 H8 110.124 C2 C1 H9 110.124
C2 O3 C4 111.074 O3 C2 H10 109.830
O3 C2 H11 109.830 O3 C4 C5 108.203
O3 C4 H12 111.639 O3 C4 H13 111.639
C4 C5 N6 178.339 C5 C4 H12 108.849
C5 C4 H13 108.849 H7 C1 H8 108.825
H7 C1 H9 108.825 H8 C1 H9 108.670
H10 C2 H11 107.613 H12 C4 H13 107.596
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability