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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: QCISD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/cc-pVTZ
 hartrees
Energy at 0K-286.062738
Energy at 298.15K-286.070557
HF Energy-284.935358
Nuclear repulsion energy216.564458
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 QCISD/cc-pVTZ
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' 3144 3004 20.15      
2 A' 3067 2930 12.86      
3 A' 3026 2891 36.01      
4 A' 3008 2874 34.53      
5 A' 2353 2248 0.67      
6 A' 1552 1483 3.37      
7 A' 1526 1458 1.63      
8 A' 1521 1453 3.81      
9 A' 1475 1409 7.08      
10 A' 1428 1365 26.19      
11 A' 1403 1341 50.73      
12 A' 1200 1146 197.10      
13 A' 1172 1120 18.15      
14 A' 1080 1032 16.63      
15 A' 965 922 9.91      
16 A' 917 876 3.96      
17 A' 557 532 0.94      
18 A' 426 407 0.95      
19 A' 302 288 2.09      
20 A' 134 128 3.47      
21 A" 3150 3010 21.51      
22 A" 3059 2923 11.84      
23 A" 3042 2906 49.02      
24 A" 1504 1437 5.71      
25 A" 1321 1262 3.19      
26 A" 1284 1227 3.21      
27 A" 1204 1151 5.91      
28 A" 1052 1005 1.96      
29 A" 831 794 0.26      
30 A" 366 349 1.77      
31 A" 249 238 0.37      
32 A" 111 106 6.00      
33 A" 77 73 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 23751.7 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 22694.7 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 QCISD/cc-pVTZ
ABC
0.52753 0.05000 0.04687

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.004 2.514 0.000
C2 -1.256 1.023 0.000
O3 0.000 0.363 0.000
C4 -0.158 -1.029 0.000
C5 1.170 -1.662 0.000
N6 2.197 -2.192 0.000
H7 -1.950 3.055 0.000
H8 -0.436 2.801 0.884
H9 -0.436 2.801 -0.884
H10 -1.830 0.724 -0.885
H11 -1.830 0.724 0.885
H12 -0.704 -1.373 -0.886
H13 -0.704 -1.373 0.886

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51192.37343.64174.70765.69071.09001.08911.08912.16102.16103.99753.9975
C21.51191.41932.32703.61914.71812.14692.14872.14871.09651.09652.61352.6135
O32.37341.41931.40052.33873.36933.32392.63032.63032.06472.06472.07202.0720
C43.64172.32701.40051.47192.62704.45913.94053.94052.57872.57871.09571.0957
C54.70763.61912.33871.47191.15545.65534.82544.82543.93423.93422.09292.0929
N65.69074.71813.36932.62701.15546.68745.71375.71375.04995.04993.14183.1418
H71.09002.14693.32394.45915.65536.68741.77091.77092.49622.49624.68424.6842
H81.08912.14872.63033.94054.82545.71371.77091.76803.06412.50164.54194.1830
H91.08912.14872.63033.94054.82545.71371.77091.76802.50163.06414.18304.5419
H102.16101.09652.06472.57873.93425.04992.49623.06412.50161.77102.38022.9668
H112.16101.09652.06472.57873.93425.04992.49622.50163.06411.77102.96682.3802
H123.99752.61352.07201.09572.09293.14184.68424.54194.18302.38022.96681.7712
H133.99752.61352.07201.09572.09293.14184.68424.18304.54192.96682.38021.7712

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.092 C1 C2 H10 110.874
C1 C2 H11 110.874 C2 C1 H7 110.141
C2 C1 H8 110.342 C2 C1 H9 110.342
C2 O3 C4 111.224 O3 C2 H10 109.643
O3 C2 H11 109.643 O3 C4 C5 108.994
O3 C4 H12 111.631 O3 C4 H13 111.631
C4 C5 N6 178.213 C5 C4 H12 108.312
C5 C4 H13 108.312 H7 C1 H8 108.721
H7 C1 H9 108.721 H8 C1 H9 108.526
H10 C2 H11 107.710 H12 C4 H13 107.853
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability