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All results from a given calculation for NH2CONHC2H5 (Urea, ethyl-)

using model chemistry: B1B95/CEP-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 B1B95/CEP-31G*
 hartrees
Energy at 0K-57.496413
Energy at 298.15K-57.506693
Nuclear repulsion energy136.183688
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 B1B95/CEP-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 3738 3578 34.40      
2 A 3664 3508 34.42      
3 A 3614 3459 23.32      
4 A 3173 3037 31.76      
5 A 3163 3027 42.98      
6 A 3081 2949 25.63      
7 A 3079 2948 32.63      
8 A 3040 2910 54.66      
9 A 1823 1745 566.03      
10 A 1635 1565 185.26      
11 A 1522 1456 2.67      
12 A 1493 1429 3.81      
13 A 1487 1423 8.93      
14 A 1459 1396 215.81      
15 A 1440 1379 68.06      
16 A 1410 1349 24.11      
17 A 1341 1284 15.53      
18 A 1288 1233 1.07      
19 A 1209 1157 22.89      
20 A 1149 1099 1.57      
21 A 1123 1075 14.62      
22 A 1069 1024 15.42      
23 A 998 955 1.77      
24 A 897 858 3.08      
25 A 800 766 1.28      
26 A 768 735 54.00      
27 A 585 560 89.30      
28 A 558 534 103.75      
29 A 542 519 41.23      
30 A 481 461 44.61      
31 A 370 354 121.96      
32 A 349 334 1.46      
33 A 270 258 3.55      
34 A 187 179 3.25      
35 A 105 101 8.44      
36 A 65 62 1.04      

Unscaled Zero Point Vibrational Energy (zpe) 26486.8 cm-1
Scaled (by 0.9572) Zero Point Vibrational Energy (zpe) 25353.2 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 B1B95/CEP-31G*
ABC
0.28006 0.06643 0.05515

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.630 -0.227 0.044
H2 -2.673 -0.981 0.847
H3 -3.449 0.490 0.208
H4 -2.801 -0.732 -0.920
C5 -1.274 0.497 0.047
H6 -1.281 1.267 -0.749
H7 -1.124 1.022 1.008
N8 -0.194 -0.457 -0.197
H9 -0.399 -1.444 -0.076
N10 1.461 1.185 0.071
H11 2.456 1.353 -0.034
H12 0.868 1.848 -0.417
C13 1.150 -0.177 -0.022
O14 2.008 -1.059 0.075

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.10261.10071.10191.53632.16252.18052.45782.54414.32735.32624.09263.78064.7114
H21.10261.78161.78852.18703.08812.53762.74022.49764.73145.70424.70564.00254.7446
H31.10071.78161.78452.18052.49342.51563.41353.62264.96095.97304.56834.65295.6737
H41.10191.78851.78452.18562.51713.09942.71912.64394.77735.72514.51384.09004.9215
C51.53632.18702.18052.18561.10661.10541.46162.13302.82073.82862.57482.51753.6324
H62.16253.08812.49342.51711.10661.78032.11112.92902.86343.80652.25092.91974.1116
H72.18052.53762.51563.09941.10541.78032.12212.78952.75463.74352.58462.76943.8740
N82.45782.74023.41352.71911.46162.11112.12211.01522.34673.21402.54781.38462.2991
H92.54412.49763.62262.64392.13302.92902.78951.01523.22333.99713.54402.00192.4416
N104.32734.73144.96094.77732.82072.86342.75462.34673.22331.01491.01521.39962.3093
H115.32625.70425.97305.72513.82863.80653.74353.21403.99711.01491.70782.01172.4559
H124.09264.70564.56834.51382.57482.25092.58462.54783.54401.01521.70782.08283.1616
C133.78064.00254.65294.09002.51752.91972.76941.38462.00191.39962.01172.08281.2341
O144.71144.74465.67374.92153.63244.11163.87402.29912.44162.30932.45593.16161.2341

picture of Urea, ethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 108.720 C1 C5 H7 110.192
C1 C5 N8 110.115 H2 C1 H3 107.922
H2 C1 H4 108.450 H2 C1 C5 110.868
H3 C1 H4 108.232 H3 C1 C5 110.469
H4 C1 C5 110.800 C5 N8 H9 117.777
C5 N8 C13 124.364 H6 C5 H7 107.185
H6 C5 N8 109.803 H7 C5 N8 110.759
N8 C13 N10 114.889 N8 C13 O14 122.690
H9 N8 C13 112.149 N10 C13 O14 122.403
H11 N10 H12 114.546 H11 N10 C13 111.869
H12 N10 C13 118.326
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.375      
2 H 0.140      
3 H 0.163      
4 H 0.147      
5 C -0.320      
6 H 0.128      
7 H 0.164      
8 N -0.103      
9 H 0.332      
10 N -0.410      
11 H 0.336      
12 H 0.314      
13 C -0.362      
14 O -0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.371 2.785 -0.704 4.429
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.061 7.334 -1.748
y 7.334 -34.229 -2.010
z -1.748 -2.010 -37.612
Traceless
 xyz
x -2.140 7.334 -1.748
y 7.334 3.607 -2.010
z -1.748 -2.010 -1.467
Polar
3z2-r2-2.935
x2-y2-3.831
xy7.334
xz-1.748
yz-2.010


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.186 -0.169 0.183
y -0.169 7.362 -0.042
z 0.183 -0.042 5.088


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000