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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-321.868876
Energy at 298.15K 
HF Energy-321.868876
Nuclear repulsion energy244.341967
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 wB97X-D/3-21G*
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 3758 3562 48.48      
2 A 3639 3449 37.68      
3 A 3190 3024 13.85      
4 A 3182 3016 14.08      
5 A 3103 2941 9.59      
6 A 3103 2941 33.46      
7 A 3056 2896 24.84      
8 A 1856 1759 425.28      
9 A 1709 1620 117.00      
10 A 1583 1501 4.34      
11 A 1570 1488 9.82      
12 A 1556 1475 8.68      
13 A 1476 1399 14.30      
14 A 1439 1364 33.25      
15 A 1344 1274 116.67      
16 A 1343 1273 263.43      
17 A 1192 1129 5.30      
18 A 1172 1111 17.05      
19 A 1114 1056 34.31      
20 A 1102 1044 102.08      
21 A 996 944 11.50      
22 A 890 843 1.03      
23 A 851 806 19.35      
24 A 799 757 104.66      
25 A 595 564 175.58      
26 A 578 548 4.61      
27 A 561 532 7.24      
28 A 410 389 113.12      
29 A 384 364 1.24      
30 A 248 235 0.04      
31 A 216 205 3.59      
32 A 105 100 0.13      
33 A 6i 5i 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 24057.3 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 22801.5 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 wB97X-D/3-21G*
ABC
0.28978 0.06976 0.05745

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.577 -0.258 0.049
H2 2.700 -0.842 -0.866
H3 3.414 0.440 0.143
H4 2.583 -0.941 0.901
C5 1.256 0.496 0.007
H6 1.109 1.078 0.924
H7 1.250 1.185 -0.849
O8 0.208 -0.507 -0.128
N9 -1.428 1.165 0.054
H10 -0.815 1.871 -0.334
H11 -2.416 1.390 0.069
C12 -1.126 -0.190 0.006
O13 -1.967 -1.072 0.035

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.09231.09451.09221.52162.16932.15672.38884.25014.02315.25793.70384.6167
H21.09231.78141.77372.15343.06932.49252.62074.68114.47185.65913.97774.7590
H31.09451.78141.78172.16322.51632.49513.35444.89674.49015.90744.58575.5911
H41.09221.77371.78172.15082.50023.06002.62494.60874.58065.57833.88884.6340
C51.52162.15342.16322.15081.09551.09931.45692.76632.50933.77972.47873.5846
H62.16933.06932.51632.50021.09551.78192.10412.68252.43153.64012.72783.8563
H72.15672.49252.49513.06001.09931.78192.11362.82572.23573.78412.87484.0280
O82.38882.62073.35442.62491.45692.10412.11362.34582.59643.24331.37732.2533
N94.25014.68114.89674.60872.76632.68252.82572.34581.01211.01351.38892.3013
H104.02314.47184.49014.58062.50932.43152.23572.59641.01211.71922.11153.1818
H115.25795.65915.90745.57833.77973.64013.78413.24331.01351.71922.04052.5027
C123.70383.97774.58573.88882.47872.72782.87481.37731.38892.11152.04051.2195
O134.61674.75905.59114.63403.58463.85634.02802.25332.30133.18182.50271.2195

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.918 C1 C5 H7 109.706
C1 C5 O8 106.629 H2 C1 H3 109.103
H2 C1 H4 108.568 H2 C1 C5 109.850
H3 C1 H4 109.138 H3 C1 C5 110.498
H4 C1 C5 109.650 C5 O8 C12 121.965
H6 C5 H7 108.561 H6 C5 O8 110.245
H7 C5 O8 110.786 O8 C12 N9 115.991
O8 C12 O13 120.268 N9 C12 O13 123.702
H10 N9 H11 116.150 H10 N9 C12 122.362
H11 N9 C12 115.393
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.623      
2 H 0.240      
3 H 0.209      
4 H 0.240      
5 C -0.193      
6 H 0.211      
7 H 0.210      
8 O -0.536      
9 N -0.834      
10 H 0.341      
11 H 0.351      
12 C 0.910      
13 O -0.526      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.329 4.898 -0.000 5.424
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.017 -6.185 0.007
y -6.185 -34.826 -0.012
z 0.007 -0.012 -35.764
Traceless
 xyz
x 0.278 -6.185 0.007
y -6.185 0.565 -0.012
z 0.007 -0.012 -0.843
Polar
3z2-r2-1.686
x2-y2-0.191
xy-6.185
xz0.007
yz-0.012


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.624 0.442 -0.005
y 0.442 6.054 -0.002
z -0.005 -0.002 3.880


<r2> (average value of r2) Å2
<r2> 194.251
(<r2>)1/2 13.937