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All results from a given calculation for C2H5NO3 (Nitric acid, ethyl ester)

using model chemistry: CID/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-358.320534
Energy at 298.15K-358.328718
HF Energy-357.512477
Nuclear repulsion energy254.241824
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 CID/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' 3275 3025 15.93      
2 A' 3231 2985 7.64      
3 A' 3193 2949 10.46      
4 A' 1885 1742 525.16      
5 A' 1626 1502 0.89      
6 A' 1600 1478 5.63      
7 A' 1547 1429 40.58      
8 A' 1518 1402 134.46      
9 A' 1458 1346 176.99      
10 A' 1226 1132 23.52      
11 A' 1143 1056 171.95      
12 A' 1067 986 103.51      
13 A' 975 901 20.19      
14 A' 789 729 0.85      
15 A' 621 574 8.00      
16 A' 412 381 5.18      
17 A' 246 227 0.43      
18 A" 3299 3047 28.05      
19 A" 3277 3027 0.65      
20 A" 1587 1466 6.83      
21 A" 1373 1269 0.70      
22 A" 1261 1165 5.70      
23 A" 877 810 0.79      
24 A" 849 784 24.59      
25 A" 272 251 0.51      
26 A" 132 122 1.11      
27 A" 108 100 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 19421.8 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 17940.0 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 CID/6-31G*
ABC
0.33996 0.07544 0.06319

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.087 -0.276 0.000
O2 0.000 0.533 0.000
O3 2.122 0.318 0.000
O4 0.904 -1.463 0.000
C5 -1.268 -0.151 0.000
C6 -2.306 0.944 0.000
H7 -1.331 -0.779 0.882
H8 -1.331 -0.779 -0.882
H9 -3.298 0.499 0.000
H10 -2.208 1.569 0.883
H11 -2.208 1.569 -0.883

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.35461.19321.20152.35833.60522.62212.62214.45233.87753.8775
O21.35462.13282.19151.44102.34222.06632.06633.29792.59342.5934
O31.19322.13282.15753.42244.47183.72853.72855.42264.59234.5923
O41.20152.19152.15752.53794.01252.49832.49834.63754.43374.4337
C52.35831.44103.42242.53791.50881.08441.08442.13102.14972.1497
C63.60522.34224.47184.01251.50882.16742.16741.08721.08601.0860
H72.62212.06633.72852.49831.08442.16741.76402.50592.50663.0653
H82.62212.06633.72852.49831.08442.16741.76402.50593.06532.5066
H94.45233.29795.42264.63752.13101.08722.50592.50591.76441.7644
H103.87752.59344.59234.43372.14971.08602.50663.06531.76441.7650
H113.87752.59344.59234.43372.14971.08603.06532.50661.76441.7650

picture of Nitric acid, ethyl ester state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 C5 115.002 O2 N1 O3 113.523
O2 N1 O4 117.914 O2 C5 C6 105.104
O2 C5 H7 109.002 O2 C5 H8 109.002
O3 N1 O4 128.563 C5 C6 H9 109.274
C5 C6 H10 110.832 C5 C6 H11 110.832
C6 C5 H7 112.372 C6 C5 H8 112.372
H7 C5 H8 108.850 H9 C6 H10 108.565
H9 C6 H11 108.565 H10 C6 H11 108.713
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability